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DRIEHAUS CAPITAL MANAGEMENT LLC — 13F Holdings & Portfolio

CIK 938206 · latest 13F-HR filed 2026-08-14

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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, exited 85, added to 174, and trimmed 72.

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.

Filer Information
Address
25 EAST ERIE ST
CHICAGO, IL 60611
Phone
(312) 587-3800
Filing Manager
Driehaus Capital Management LLC
Chicago, IL
Signatory
Janet McWilliams
General Counsel
Loading holdings…
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

Firm Profile & Key People
Name Title / Status Ownership Type

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%
Show all 174 →

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%
Show all 72 →

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
Show all 84 →

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
Show all 85 →
All Holdings

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