Driehaus Capital Management LLC — 13F Holdings & Portfolio
CIK 938206 · latest 13F-HR filed 2026-08-14
Driehaus Capital Management LLC manages $17.26B in 13F-reported U.S. long-equity assets across 354 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TSM (2.72%), DFTX (1.87%), PRAX (1.86%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 84 new positions and exited 85; 174 existing positions rose in reported value and 72 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
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AUM
$17.26B
Long-equity book
Holdings
354
Distinct positions
Period
2026-06-30
Filed 2026-08-14
Q/Q Activity
+84 / −85 / ↑174 / ↓72
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26TSM2.7% · -22%DFTX1.9% · +16%PRAX1.9% · +1%XENE1.5% · -2%SIMO1.5% · +54%SYRE1.4% · +0%CRNX1.4% · +1%APGE1.3% · -9%GH1.3% · +1%PL1.3% · -15%BAP1.3% · +24%EWTX1.1% · +6%VICR1.1% · +162%UCTT1.1% · +23%CW1.0% · +2%XMTR1.0% · +17%WULF0.9% · +2%SEPN0.9% · +1%NXT0.8% · +16%CECO0.8% · +144%CRDO0.8% · newCRS0.8% · -28%IBN0.8% · +13%LASR0.8% · +12%ONTO0.8% · +11%RSI0.7% · +66%SITM0.7% · -24%SEI0.7% · -3%DAVE0.7% · +432%SRRK0.7% · +15%STRL0.7% · -15%BE0.7% · -54%PTCT0.7% · +42%LTH0.7% · +342%CDNL0.7% · +83%MOD0.7% · -15%FMX0.7% · +9%NU0.6% · +14%SAIA0.6% · +2%CDNS0.6% · newARWR0.6% · +14%VALE0.6% · +97%UTI0.6% · +42%SCCO0.6% · +89%KYMR0.6% · -12%TWST0.6% · +75%NTRA0.6% · +35%SNEX0.6% · +2%COHR0.6% · -50%ESE0.6% · +55%COCO0.6% · -1%MTSI0.6% · -25%INDV0.5% · +22%ALAB0.5% · newIMAX0.5% · +42%IMNM0.5% · +6%AXSM0.5% · +27%GKOS0.5% · +33%DOCN0.5% · +10%PTGX0.5% · +1%
Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 16.3%Cumulative share of the portfolio held in the largest N positions.
Firm Profile & Key People
As of the firm’s regulatory filing dated Sep 14, 2026.
Assets Under Management
$26.12B
Discretionary
$26.12B
Employees
82
Accounts
90
Address
25 EAST ERIE STREET
CHICAGO, IL 60611-2703
CHICAGO, IL 60611-2703
Phone
(312) 587-3800
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| DRIEHAUS CAPITAL HOLDINGS LLLP Control | MEMBER since Jan 2006 | 75% or more | Domestic Entity |
| KOCHEVAR, ANNE, STEELE Control | CHIEF COMPLIANCE OFFICER since Jul 2019 | Less than 5% | Individual |
| KURINSKY, ROBERT, MICHAEL Control | CHIEF FINANCIAL OFFICER, CHIEF OPERATING OFFICER AND TREASURER since Jan 2019 | Less than 5% | Individual |
| MCWILLIAMS, JANET, LYNN Control | GENERAL COUNSEL AND SECRETARY since Mar 2012 | Less than 5% | Individual |
| Seftenberg, Thomas, McKean Control | HEAD OF GLOBAL DISTRIBUTION since Jan 2011 | Less than 5% | Individual |
| Weber, Stephen, Thomas Control | PRESIDENT AND CEO since Feb 2020 | Less than 5% | Individual |
| DRIEHAUS BUSINESS AND REAL ESTATE TRUST Control Indirect owner via DRIEHAUS CAPITAL HOLDINGS LLLP | LIMITED PARTNER since Jun 2025 | 50–75% | Domestic Entity |
| DRIEHAUS TRUST COMPANY, LLC Control Indirect owner via RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST | TRUSTEE since Dec 2012 | General partner, trustee or manager | Domestic Entity |
| DRIEHAUS TRUST COMPANY, LLC Control Indirect owner via DRIEHAUS BUSINESS AND REAL ESTATE TRUST | TRUSTEE since Jun 2025 | General partner, trustee or manager | Domestic Entity |
| DRIEHAUS TRUST COMPANY, LLC Control Indirect owner via DTC OWNERSHIP TRUST | TRUSTEE since Mar 2021 | General partner, trustee or manager | Domestic Entity |
| DTC OWNERSHIP TRUST Control Indirect owner via DRIEHAUS TRUST COMPANY, LLC | MEMBER since Dec 2012 | 75% or more | Domestic Entity |
| RHD HOLDINGS LLC Control Indirect owner via DRIEHAUS CAPITAL HOLDINGS LLLP | GENERAL PARTNER since Mar 2015 | General partner, trustee or manager | Domestic Entity |
| RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST Control Indirect owner via DRIEHAUS CAPITAL HOLDINGS LLLP | LIMITED PARTNER since Jun 2006 | 25–50% | Domestic Entity |
Ownership & leadership changes · 24 filings with changes since Nov 16, 2011
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
Jul 1, 2025 filing
- No longer listedDRIEHAUS TRUST COMPANY, LLC · TRUSTEE · General partner, trustee or manager · indirect via THE RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · control person · listed since Mar 2021
- No longer listedTHE RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · LIMITED PARTNER · 50–75% · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person · listed since Apr 2010
- AddedDRIEHAUS BUSINESS AND REAL ESTATE TRUST · LIMITED PARTNER · 50–75% · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person
- AddedDRIEHAUS TRUST COMPANY, LLC · TRUSTEE · General partner, trustee or manager · indirect via DRIEHAUS BUSINESS AND REAL ESTATE TRUST · control person
Mar 31, 2023 filing
- No longer listedDRIEHAUS TRUST COMPANY, LLC · TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · General partner, trustee or manager · indirect via RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · control person · listed since Mar 2021
- No longer listedRICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · PARTNER · 50–75% · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person · listed since Apr 2010
- AddedDRIEHAUS TRUST COMPANY, LLC · TRUSTEE · General partner, trustee or manager · indirect via THE RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · control person
- AddedRHD HOLDINGS LLC · GENERAL PARTNER · General partner, trustee or manager · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person
- AddedTHE RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · LIMITED PARTNER · 50–75% · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person
- ChangedDRIEHAUS TRUST COMPANY, LLC · indirect via RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST: title TRUSTEE, RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST → TRUSTEE
- ChangedDTC OWNERSHIP TRUST · indirect via DRIEHAUS TRUST COMPANY, LLC: title TRUSTEE → MEMBER; ownership General partner, trustee or manager → 75% or more
- ChangedRICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP: title PARTNER → LIMITED PARTNER
Mar 31, 2022 filing
- ChangedSeftenberg, Thomas, McKean · title DIRECTOR OF RELATIONSHIP MANAGEMENT AND EX-U.S. DISTRIBUTION → HEAD OF GLOBAL DISTRIBUTION
- ChangedWeber, Stephen, Thomas · title PRESIDENT, CEO AND HEAD OF DISTRIBUTION → PRESIDENT AND CEO
Mar 31, 2021 filing
- No longer listedDRIEHAUS, RICHARD, HERMAN · CHAIRMAN · Less than 5% · control person · listed since Sep 1982
- No longer listedDRIEHAUS, RICHARD, HERMAN · CO-TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · 75% or more · indirect via RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · control person · listed since Feb 2003
- No longer listedDRIEHAUS, RICHARD, HERMAN · TRUSTEE · 75% or more · indirect via DTC OWNERSHIP TRUST · control person · listed since Dec 2012
- AddedDRIEHAUS TRUST COMPANY, LLC · TRUSTEE · General partner, trustee or manager · indirect via DTC OWNERSHIP TRUST · control person
- ChangedDRIEHAUS TRUST COMPANY, LLC · indirect via RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST: title TRUSTEE, NON-BENEFICIAL INTEREST, RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST → TRUSTEE, RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST; now a control person
- ChangedDRIEHAUS TRUST COMPANY, LLC · indirect via RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST: title CO-TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST → TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST; now a control person
- ChangedDTC OWNERSHIP TRUST · indirect via DRIEHAUS TRUST COMPANY, LLC: title OWNER → TRUSTEE; ownership 75% or more → General partner, trustee or manager
- ChangedWeber, Stephen, Thomas · title PRESIDENT AND HEAD OF DISTRIBUTION → PRESIDENT, CEO AND HEAD OF DISTRIBUTION
Mar 24, 2020 filing
- No longer listedKNEELEY, STEPHEN, JOSEPH · PRESIDENT AND CHIEF EXECUTIVE OFFICER · Less than 5% · control person · listed since Jan 2018
- ChangedKURINSKY, ROBERT, MICHAEL · title CHIEF FINANCIAL OFFICER AND TREASURER → CHIEF FINANCIAL OFFICER, CHIEF OPERATING OFFICER AND TREASURER
- ChangedWeber, Stephen, Thomas · title DIRECTOR OF SALES AND RELATIONSHIP MANAGEMENT → PRESIDENT AND HEAD OF DISTRIBUTION
Aug 28, 2019 filing
- ChangedSeftenberg, Thomas, McKean · title DIRECTOR OF RELATIONSHIP MANAGEMENT AND MARKETING → DIRECTOR OF RELATIONSHIP MANAGEMENT AND EX-U.S. DISTRIBUTION
Jul 31, 2019 filing
- No longer listedREA, DANIEL, MARTIN · DIRECTOR OF CORPORATE DEVELOPMENT AND INVESTMENTS · Less than 5% · control person · listed since Feb 2018
- AddedDRIEHAUS, RICHARD, HERMAN · TRUSTEE · 75% or more · indirect via DTC OWNERSHIP TRUST · control person
- AddedKOCHEVAR, ANNE, STEELE · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ChangedMCWILLIAMS, JANET, LYNN · title GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER AND SECRETARY → GENERAL COUNSEL AND SECRETARY
May 30, 2019 filing
- No longer listedSHOEMAKER, MICHAEL, ROBERT · ASSISTANT VICE PRESIDENT AND CHIEF COMPLIANCE OFFICER · Less than 5% · control person · listed since Mar 2012
- ChangedMCWILLIAMS, JANET, LYNN · title GENERAL COUNSEL AND SECRETARY → GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER AND SECRETARY
Mar 31, 2019 filing
- AddedDTC OWNERSHIP TRUST · OWNER · 75% or more · indirect via DRIEHAUS TRUST COMPANY, LLC · control person
Feb 4, 2019 filing
- No longer listedCAHOON, MICHELLE, LYNN · CHIEF FINANCIAL OFFICER AND TREASURER · Less than 5% · control person · listed since Apr 2003
- AddedKURINSKY, ROBERT, MICHAEL · CHIEF FINANCIAL OFFICER AND TREASURER · Less than 5% · control person
Older changes (15 more filings)
Feb 15, 2018 filing
- No longer listedHEITNER, MAXIMILIAN, EDWARD · MANAGING DIRECTOR, RISK MANAGEMENT AND RESEARCH · Less than 5% · control person · listed since Sep 2014
- No longer listedNELSON, KENNETH, CARL · MANAGING DIRECTOR · Less than 5% · control person · listed since Jun 2012
- ChangedCAHOON, MICHELLE, LYNN · title MANAGING DIRECTOR, TREASURER AND CHIEF FINANCIAL OFFICER → CHIEF FINANCIAL OFFICER AND TREASURER
- ChangedMCWILLIAMS, JANET, LYNN · title MANAGING DIRECTOR AND SECRETARY, GENERAL COUNSEL → GENERAL COUNSEL AND SECRETARY
- ChangedREA, DANIEL, MARTIN · title MANAGING DIRECTOR, DIRECTOR OF RESEARCH → DIRECTOR OF CORPORATE DEVELOPMENT AND INVESTMENTS
- ChangedRICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP: title MEMBER → PARTNER
- ChangedRICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP: title MEMBER → PARTNER
- ChangedSHOEMAKER, MICHAEL, ROBERT · title ASSISTANT VICE PRESIDENT & CHIEF COMPLIANCE OFFICER → ASSISTANT VICE PRESIDENT AND CHIEF COMPLIANCE OFFICER
- ChangedSeftenberg, Thomas, McKean · title MANAGING DIRECTOR, RELATIONSHIP MANAGEMENT AND MARKETING → DIRECTOR OF RELATIONSHIP MANAGEMENT AND MARKETING
- ChangedWeber, Stephen, Thomas · title MANAGING DIRECTOR, SALES AND RELATIONSHIP MANAGEMENT → DIRECTOR OF SALES AND RELATIONSHIP MANAGEMENT
Jan 25, 2018 filing
- ChangedKNEELEY, STEPHEN, JOSEPH · title INTERIM PRESIDENT & CEO → PRESIDENT AND CHIEF EXECUTIVE OFFICER
- ChangedRICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP: ownership 25–50% → 50–75%
Aug 24, 2017 filing
- No longer listedDAWSON, CARLA · MANAGING DIRECTOR, HUMAN RESOURCES · Less than 5% · control person · listed since Oct 2006
Mar 31, 2017 filing
- No longer listedGORDON, ROBERT, HARRY · PRESIDENT AND CHIEF EXECUTIVE OFFICER · Less than 5% · control person · listed since Oct 2006
- AddedDRIEHAUS TRUST COMPANY, LLC · CO-TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · General partner, trustee or manager · indirect via RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST
- AddedKNEELEY, STEPHEN, JOSEPH · INTERIM PRESIDENT & CEO · Less than 5% · control person
- ChangedDRIEHAUS, RICHARD, HERMAN · indirect via RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST: title TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST → CO-TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST
Mar 30, 2016 filing
- No longer listedRICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · MEMBER · 25–50% · indirect via DRIEHAUS CAPITAL HOLDINGS LLC · control person · listed since Apr 2010
- No longer listedRICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · MEMBER · 25–50% · indirect via DRIEHAUS CAPITAL HOLDINGS LLC · control person · listed since Jun 2006
- AddedRICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · MEMBER · 25–50% · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person
- AddedRICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · MEMBER · 25–50% · indirect via DRIEHAUS CAPITAL HOLDINGS LLLP · control person
May 4, 2015 filing
- No longer listedDRIEHAUS CAPITAL HOLDINGS LLC · MEMBER · 75% or more · control person · listed since Jan 2006
- AddedDRIEHAUS CAPITAL HOLDINGS LLLP · MEMBER · 75% or more · control person
Jan 23, 2015 filing
- ChangedREA, DANIEL, MARTIN · title MANAGING DIRECTOR, RESEARCH → MANAGING DIRECTOR, DIRECTOR OF RESEARCH
Jan 7, 2015 filing
- Listed againREA, DANIEL, MARTIN · MANAGING DIRECTOR, RESEARCH · Less than 5% · control person
Sep 15, 2014 filing
- No longer listedREA, DANIEL, MARTIN · MANAGING DIRECTOR · Less than 5% · control person · listed since Oct 2006
- AddedHEITNER, MAXIMILIAN, EDWARD · MANAGING DIRECTOR, RISK MANAGEMENT AND RESEARCH · Less than 5% · control person
May 5, 2014 filing
- No longer listedSAGASTUME, KAAREN, ANDERSON · MANAGING DIRECTOR, INFORMATION TECHNOLOGY, OPERATIONS AND TRADING · Less than 5% · control person · listed since Jan 2009
Apr 1, 2013 filing
- No longer listedMCMENAMIN, PAULA, HUNT · TRUSTEE, NON-BENEFICIAL INTEREST, RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · General partner, trustee or manager · indirect via RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · listed since Apr 2008
- AddedDRIEHAUS TRUST COMPANY, LLC · TRUSTEE, NON-BENEFICIAL INTEREST, RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · General partner, trustee or manager · indirect via RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST
Jun 18, 2012 filing
- AddedNELSON, KENNETH, CARL · MANAGING DIRECTOR · Less than 5% · control person
- ChangedCAHOON, MICHELLE, LYNN · title VICE PRESIDENT, TREASURER AND CFO → MANAGING DIRECTOR, TREASURER AND CHIEF FINANCIAL OFFICER
- ChangedDAWSON, CARLA · title VICE PRESIDENT → MANAGING DIRECTOR, HUMAN RESOURCES
- ChangedMCWILLIAMS, JANET, LYNN · title SENIOR VICE PRESIDENT, SECRETARY AND GENERAL COUNSEL → MANAGING DIRECTOR AND SECRETARY, GENERAL COUNSEL
- ChangedREA, DANIEL, MARTIN · title VICE PRESIDENT → MANAGING DIRECTOR
- ChangedSAGASTUME, KAAREN, ANDERSON · title VICE PRESIDENT → MANAGING DIRECTOR, INFORMATION TECHNOLOGY, OPERATIONS AND TRADING
- ChangedSeftenberg, Thomas, McKean · title VICE PRESIDENT → MANAGING DIRECTOR, RELATIONSHIP MANAGEMENT AND MARKETING
- ChangedWeber, Stephen, Thomas · title SENIOR VICE PRESIDENT OF SALES, MARKETING AND RELATIONSHIP MANAGEMENT → MANAGING DIRECTOR, SALES AND RELATIONSHIP MANAGEMENT
May 8, 2012 filing
- No longer listedDRIEHAUS, RICHARD, HERMAN · MEMBER · 75% or more · indirect via DRIEHAUS CAPITAL HOLDINGS LLC · control person · listed since Jan 2006
- AddedDRIEHAUS, RICHARD, HERMAN · TRUSTEE, RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · 75% or more · indirect via RICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · control person
- AddedMCMENAMIN, PAULA, HUNT · TRUSTEE, NON-BENEFICIAL INTEREST, RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · General partner, trustee or manager · indirect via RICHARD H. DRIEHAUS FAMILY BENEFIT TRUST
- AddedRICHARD H. DRIEHAUS 2003 REVOCABLE TRUST · MEMBER · 25–50% · indirect via DRIEHAUS CAPITAL HOLDINGS LLC · control person
- AddedRICHARD H. DRIEHAUS FAMILY BENEFIT TRUST · MEMBER · 25–50% · indirect via DRIEHAUS CAPITAL HOLDINGS LLC · control person
- ChangedMCWILLIAMS, JANET, LYNN · now a control person
- ChangedSHOEMAKER, MICHAEL, ROBERT · now a control person
Mar 30, 2012 filing
- No longer listedWEISS, MARY, HICKEY · SENIOR VP AND SECRETARY · Less than 5% · control person · listed since Feb 1995
- AddedSHOEMAKER, MICHAEL, ROBERT · ASSISTANT VICE PRESIDENT & CHIEF COMPLIANCE OFFICER · Less than 5%
- ChangedMCWILLIAMS, JANET, LYNN · title ASSISTANT VICE PRESIDENT & CHIEF COMPLIANCE OFFICER → SENIOR VICE PRESIDENT, SECRETARY AND GENERAL COUNSEL
Nov 16, 2011 filing (earliest on record)
- ListedCAHOON, MICHELLE, LYNN · VICE PRESIDENT, TREASURER AND CFO · Less than 5% · control person
- ListedDAWSON, CARLA · VICE PRESIDENT · Less than 5% · control person
- ListedDRIEHAUS CAPITAL HOLDINGS LLC · MEMBER · 75% or more · control person
- ListedDRIEHAUS, RICHARD, HERMAN · CHAIRMAN · Less than 5% · control person
- ListedDRIEHAUS, RICHARD, HERMAN · MEMBER · 75% or more · indirect via DRIEHAUS CAPITAL HOLDINGS LLC · control person
- ListedGORDON, ROBERT, HARRY · PRESIDENT AND CHIEF EXECUTIVE OFFICER · Less than 5% · control person
- ListedMCWILLIAMS, JANET, LYNN · ASSISTANT VICE PRESIDENT & CHIEF COMPLIANCE OFFICER · Less than 5%
- ListedREA, DANIEL, MARTIN · VICE PRESIDENT · Less than 5% · control person
- ListedSAGASTUME, KAAREN, ANDERSON · VICE PRESIDENT · Less than 5% · control person
- ListedSeftenberg, Thomas, McKean · VICE PRESIDENT · Less than 5% · control person
- ListedWEISS, MARY, HICKEY · SENIOR VP AND SECRETARY · Less than 5% · control person
- ListedWeber, Stephen, Thomas · SENIOR VICE PRESIDENT OF SALES, MARKETING AND RELATIONSHIP MANAGEMENT · Less than 5% · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- Definium Therapeutics Inc$210.3M +188.2%
- Silicon Motion Technology Corp$204.8M +357.6%
- Vicor Corp$158.1M +518.2%
- Ultra Clean Holdings Inc$120.6M +182.6%
- Dave Inc$112.7M +1038.3%
Top Trims
- Fabrinet-$193.9M -95.0%
- Lumentum Holdings Inc-$89.9M -55.9%
- Uranium Energy Corp-$81.4M -72.4%
- InterDigital Inc-$72.4M -57.4%
- VSE Corp-$67.2M -71.6%
New Positions
- Credo Technology Group Holding$140.6M
- Cadence Design Systems Inc$110.2M
- Astera Labs Inc$94.0M
- Bandwidth Inc$87.9M
- Cipher Mining Inc$86.9M
Exited Positions
- National Vision Holdings Inc$89.9M
- Yum China Holdings Inc$89.3M
- Bridgebio Pharma Inc$85.2M
- Karman Holdings Inc$78.2M
- TechnipFMC PLC$71.9M
Driehaus Capital Management LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TSMC | TSM | 874039100 | $470.2M | 2.72% | 984,500 | SH |
| 2 | Definium Therapeutics Inc | DFTX | 24477V105 | $322.0M | 1.87% | 6,845,276 | SH |
| 3 | Praxis Precision Medicines Inc | PRAX | 74006W207 | $321.1M | 1.86% | 959,048 | SH |
| 4 | Xenon Pharmaceuticals Inc | XENE | 98420N105 | $266.7M | 1.55% | 4,418,557 | SH |
| 5 | Silicon Motion Technology Corp | SIMO | 82706C108 | $262.0M | 1.52% | 786,074 | SH |
| 6 | Spyre Therapeutics Inc | SYRE | 00773J202 | $248.5M | 1.44% | 2,799,166 | SH |
| 7 | Crinetics Pharmaceuticals Inc | CRNX | 22663K107 | $241.9M | 1.40% | 6,463,551 | SH |
| 8 | Apogee Therapeutics Inc | APGE | 03770N101 | $231.0M | 1.34% | 1,740,101 | SH |
| 9 | Guardant Health Inc | GH | 40131M109 | $230.1M | 1.33% | 1,533,985 | SH |
| 10 | Planet Labs PBC | PL | 72703X106 | $222.7M | 1.29% | 6,721,154 | SH |
| 11 | Credicorp Ltd | BAP | G2519Y108 | $217.1M | 1.26% | 557,228 | SH |
| 12 | Edgewise Therapeutics Inc | EWTX | 28036F105 | $192.1M | 1.11% | 4,728,623 | SH |
| 13 | Vicor Corp | VICR | 925815102 | $188.6M | 1.09% | 496,507 | SH |
| 14 | Ultra Clean Holdings Inc | UCTT | 90385V107 | $186.7M | 1.08% | 1,309,202 | SH |
| 15 | Curtiss-Wright Corp | CW | 231561101 | $173.6M | 1.01% | 229,123 | SH |
| 16 | Xometry Inc | XMTR | 98423F109 | $170.7M | 0.99% | 1,768,213 | SH |
| 17 | Terawulf Inc | WULF | 88080T104 | $152.2M | 0.88% | 6,163,879 | SH |
| 18 | Septerna Inc | SEPN | 81734D104 | $148.5M | 0.86% | 4,433,058 | SH |
| 19 | Nextpower Inc | NXT | 65290E101 | $143.8M | 0.83% | 1,207,194 | SH |
| 20 | CECO Environmental Corp | CECO | 125141101 | $141.6M | 0.82% | 1,560,486 | SH |
| 21 | Credo Technology Group Holding | CRDO | G25457105 | $140.6M | 0.81% | 517,062 | SH |
| 22 | Carpenter Technology Corp | CRS | 144285103 | $140.1M | 0.81% | 227,203 | SH |
| 23 | ICICI Bank Ltd | IBN | 45104G104 | $140.1M | 0.81% | 4,826,120 | SH |
| 24 | nLight Inc | LASR | 65487K100 | $138.3M | 0.80% | 1,986,119 | SH |
| 25 | Onto Innovation Inc | ONTO | 683344105 | $134.2M | 0.78% | 354,650 | SH |
| 26 | Rush Street Interactive Inc | RSI | 782011100 | $129.1M | 0.75% | 4,341,612 | SH |
| 27 | SiTime Corp | SITM | 82982T106 | $128.3M | 0.74% | 172,133 | SH |
| 28 | Solaris Energy Infrastructure | SEI | 83418M103 | $127.5M | 0.74% | 1,584,985 | SH |
| 29 | Dave Inc | DAVE | 23834J201 | $123.5M | 0.72% | 331,537 | SH |
| 30 | Scholar Rock Holding Corp | SRRK | 80706P103 | $121.3M | 0.70% | 2,205,618 | SH |
| 31 | Sterling Infrastructure Inc | STRL | 859241101 | $120.6M | 0.70% | 143,684 | SH |
| 32 | Bloom Energy Corp | BE | 093712107 | $118.1M | 0.68% | 390,259 | SH |
| 33 | PTC Therapeutics Inc | PTCT | 69366J200 | $117.5M | 0.68% | 1,440,107 | SH |
| 34 | Life Time Group Holdings Inc | LTH | 53190C102 | $117.0M | 0.68% | 2,864,852 | SH |
| 35 | Cardinal Infrastructure Group | CDNL | 14154A102 | $113.9M | 0.66% | 1,208,910 | SH |
| 36 | Modine Manufacturing Co | MOD | 607828100 | $112.9M | 0.65% | 422,646 | SH |
| 37 | Fomento Economico Mexicano SAB | FMX | 344419106 | $112.2M | 0.65% | 877,127 | SH |
| 38 | NU Holdings Ltd/Cayman Islands | NU | G6683N103 | $111.1M | 0.64% | 8,314,486 | SH |
| 39 | Saia Inc | SAIA | 78709Y105 | $110.4M | 0.64% | 262,043 | SH |
| 40 | Cadence Design Systems Inc | CDNS | 127387108 | $110.2M | 0.64% | 293,693 | SH |
| 41 | Arrowhead Pharmaceuticals Inc | ARWR | 04280A100 | $110.1M | 0.64% | 1,350,556 | SH |
| 42 | Vale SA | VALE | 91912E105 | $108.8M | 0.63% | 7,236,306 | SH |
| 43 | Universal Technical Institute | UTI | 913915104 | $106.9M | 0.62% | 2,499,689 | SH |
| 44 | Southern Copper Corp | SCCO | 84265V105 | $106.5M | 0.62% | 611,241 | SH |
| 45 | Kymera Therapeutics Inc | KYMR | 501575104 | $105.4M | 0.61% | 919,233 | SH |
| 46 | Twist Bioscience Corp | TWST | 90184D100 | $105.2M | 0.61% | 1,022,526 | SH |
| 47 | Natera Inc | NTRA | 632307104 | $104.2M | 0.60% | 383,872 | SH |
| 48 | StoneX Group Inc | SNEX | 861896108 | $103.7M | 0.60% | 875,452 | SH |
| 49 | Coherent Corp | COHR | 19247G107 | $102.4M | 0.59% | 259,497 | SH |
| 50 | ESCO Technologies Inc | ESE | 296315104 | $100.8M | 0.58% | 287,995 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $17.26B | 354 | 0000938206-26-000048 |
| 2026-03-31 | 2026-05-15 | $13.60B | 356 | 0000938206-26-000031 |
| 2025-12-31 | 2026-02-17 | $14.72B | 404 | 0000938206-26-000018 |
| 2025-09-30 | 2025-11-14 | $13.96B | 431 | 0000938206-25-000056 |
Filer Information
Address
25 EAST ERIE STCHICAGO, IL 60611
Phone
(312) 587-3800
Filing Manager
Driehaus Capital Management LLC
Chicago, IL
Signatory
Janet McWilliams
General Counsel