IRIDIAN ASSET MANAGEMENT LLC/CT — 13F Holdings & Portfolio
CIK 1033427 · latest 13F-HR filed 2026-07-29
IRIDIAN ASSET MANAGEMENT LLC/CT manages $291.1M in 13F-reported U.S. long-equity assets across 45 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ACVA (10.69%), HLF (9.16%), HGV (8.29%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions and exited 3; 18 existing positions rose in reported value and 17 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.
Loading holdings…
AUM
$291.1M
Long-equity book
Holdings
45
Distinct positions
Period
2026-06-30
Filed 2026-07-29
Q/Q Activity
+2 / −3 / ↑18 / ↓17
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26ACVA11.3% · -12%HLF9.4% · +28%HGV8.3% · -5%PGEN7.9% · +12%POST6.8% · +24%LAD6.4% · -3%TNL5.2% · -0%NVCT4.9% · +19%AXSM4.0% · -29%ESI3.0% · -22%FLEX3.0% · -27%LPLA2.6% · +40%ON2.4% · -17%NESR2.3% · -3%BILL2.3% · -6%ELV2.0% · -31%KPLT2.0% · -3%CCK1.7% · -6%RTO1.5% · -22%GEN1.3% · -20%BRBR1.3% · +28%CLVT1.2% · -9%AMRZ0.9% · +313%KKR0.9% · -6%NKTR0.9% · +24%BKR0.9% · -6%ICE0.7% · +9%BALL0.7% · -6%SLB0.7% · -17%QSR0.6% · -20%TGTX0.5% · -63%ENR0.5% · -67%ABVX0.4% · newRH0.3% · -6%FLS0.2% · newDBRG0.2% · 0%Z0.2% · -6%LH0.2% · -37%MOH0.1% · -80%BCTX0.1% · 0%BCTXL0.0% · 0%
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
3 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 = 67.2%Cumulative share of the portfolio held in the largest N positions.
Firm Profile & Key People
As of the firm’s regulatory filing dated Aug 12, 2026.
Assets Under Management
$280.2M
Discretionary
$280.2M
Employees
5
Accounts
14
Phone
(203) 341-7800
Mailing Address
55 POST WEST 2ND FLOOR, WESTPORT, CT, 06880
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| KARCUB LLC Control | MEMBER; MANAGER since Jan 2022 | 25–50% | Domestic Entity |
| RAKER, TODD, DUNKIN Control | CHIEF EXECUTIVE OFFICER, EXECUTIVE COMMITTEE MEMBER since Jan 2022 | Less than 5% | Individual |
| STONE, ERIC, SHANE Control | MANAGING DIRECTOR, EXECUTIVE COMMITTEE MEMBER since Jan 2022 | Less than 5% | Individual |
| IRIDIAN EMPLOYEE HOLDINGS LLC | MEMBER since Nov 2012 | 50–75% | Domestic Entity |
| Wolt, Paul, Joseph | CHIEF COMPLIANCE OFFICER since Jul 2025 | Less than 5% | Individual |
| KARCUB LLC Control Indirect owner via IRIDIAN EMPLOYEE HOLDINGS LLC | MEMBER; MANAGER since Jan 2022 | General partner, trustee or manager | Domestic Entity |
| RAKER, TODD, DUNKIN Control Indirect owner via KARCUB LLC | MEMBER; MANAGER since Jan 2022 | 75% or more | Individual |
Ownership & leadership changes · 12 filings with changes since Feb 27, 2012
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 2, 2025 filing
- No longer listedFOX, MARTHA, ELLEN · CHIEF COMPLIANCE OFFICER · Less than 5% · listed since Oct 2022
- AddedWolt, Paul, Joseph · CHIEF COMPLIANCE OFFICER · Less than 5%
Apr 23, 2025 filing
- No longer listedSCANLAN, RAYMOND, EDWARD · MANAGING DIRECTOR, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person · listed since Jan 2022
Mar 20, 2025 filing
- No longer listedMORRIS, COLIN, JOHN · DIRECTOR OF MARKETING, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person · listed since Jan 2022
Oct 12, 2022 filing
- No longer listedBUCKLAN, LANE, STEVEN · CHIEF OPERATING OFFICER, GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person · listed since Mar 2003
- AddedFOX, MARTHA, ELLEN · CHIEF COMPLIANCE OFFICER · Less than 5%
Feb 1, 2022 filing
- No longer listedALHERO LLC · MEMBER · 25–50% · indirect via AROVID ASSOCIATES LLC · control person · listed since Jun 2009
- No longer listedAROVID ASSOCIATES LLC · MEMBER · 50–75% · control person · listed since Jun 2009
- No longer listedART. I FAMILY TRUST UNDER DAVID L. COHEN 2008 IRREVOC. TRUST DTD 4/22/08; JAY COHEN, MICHAEL GREENE & JEFFREY ELLIOTT, TRUSTEES · MEMBER · 75% or more · indirect via LLMD LLC · control person · listed since Jun 2009
- No longer listedARTICLE I FAMILY TRUST UNDER HAROLD J. LEVY 2009 IRREVOCABLE TRUST DTD 5/28/09; SHARI B. LEVY, TRUSTEE · MEMBER · 75% or more · indirect via ALHERO LLC · control person · listed since Jun 2009
- No longer listedCOHEN, DAVID, LAWRENCE · CO-CHIEF EXECUTIVE OFFICER AND CO-PRESIDENT · Less than 5% · control person · listed since Nov 1995
- No longer listedCOHEN, DAVID, LAWRENCE · MEMBER; MANAGER · General partner, trustee or manager · indirect via AROVID ASSOCIATES LLC · control person · listed since Jun 2009
- No longer listedCOHEN, DAVID, LAWRENCE · MEMBER; MANAGER · General partner, trustee or manager · indirect via LLMD LLC · control person · listed since Jun 2009
- No longer listedCOHEN, DAVID, LAWRENCE · SHAREHOLDER · 50–75% · indirect via LARENJAY, INC. · control person · listed since Nov 2012
- No longer listedELLIOTT, JEFFREY, MITCHELL · CHIEF FINANCIAL OFFICER, CHIEF OPERATING OFFICER AND SECRETARY · Less than 5% · control person · listed since Nov 1995
- No longer listedLARENJAY, INC. · CLASS A MEMBER; MANAGER · General partner, trustee or manager · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC · control person · listed since Nov 2012
- No longer listedLARENJAY, INC. · MEMBER · Less than 5% · listed since Jun 2009
- No longer listedLEVY, HAROLD, JAY · CO-CHIEF EXECUTIVE OFFICER AND CO-PRESIDENT · Less than 5% · control person · listed since Nov 1995
- No longer listedLEVY, HAROLD, JAY · MEMBER; MANAGER · General partner, trustee or manager · indirect via AROVID ASSOCIATES LLC · control person · listed since Jun 2009
- No longer listedLEVY, HAROLD, JAY · MEMBER; MANAGER · General partner, trustee or manager · indirect via ALHERO LLC · control person · listed since Jun 2009
- No longer listedLEVY, HAROLD, JAY · SHAREHOLDER · 50–75% · indirect via LARENJAY, INC. · control person · listed since Nov 2012
- No longer listedLLMD LLC · MEMBER · 25–50% · indirect via AROVID ASSOCIATES LLC · control person · listed since Jun 2009
- AddedKARCUB LLC · MEMBER; MANAGER · 25–50% · control person
- AddedKARCUB LLC · MEMBER; MANAGER · General partner, trustee or manager · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC · control person
- AddedMORRIS, COLIN, JOHN · DIRECTOR OF MARKETING, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person
- AddedRAKER, TODD, DUNKIN · CHIEF EXECUTIVE OFFICER, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person
- AddedRAKER, TODD, DUNKIN · MEMBER; MANAGER · 75% or more · indirect via KARCUB LLC · control person
- AddedSCANLAN, RAYMOND, EDWARD · MANAGING DIRECTOR, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person
- AddedSTONE, ERIC, SHANE · MANAGING DIRECTOR, EXECUTIVE COMMITTEE MEMBER · Less than 5% · control person
- ChangedBUCKLAN, LANE, STEVEN · title CHIEF ADMINISTRATIVE OFFICER, GENERAL COUNSEL; CHIEF COMPLIANCE OFFICER → CHIEF OPERATING OFFICER, GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER, EXECUTIVE COMMITTEE MEMBER
- ChangedIRIDIAN EMPLOYEE HOLDINGS LLC · ownership 25–50% → 50–75%
Mar 29, 2021 filing
- ChangedIRIDIAN EMPLOYEE HOLDINGS LLC · ownership Less than 5% → 25–50%
Mar 22, 2021 filing
- ChangedCOHEN, DAVID, LAWRENCE · title CO-PRESIDENT AND CO-CHIEF EXECUTIVE OFFICER; CO-CHIEF INVESTMENT OFFICER → CO-CHIEF EXECUTIVE OFFICER AND CO-PRESIDENT
- ChangedLEVY, HAROLD, JAY · title CO-PRESIDENT AND CO-CHIEF EXECUTIVE OFFICER; CO-CHIEF INVESTMENT OFFICER → CO-CHIEF EXECUTIVE OFFICER AND CO-PRESIDENT
Mar 23, 2018 filing
- AddedLARENJAY, INC. · MEMBER · Less than 5%
- ChangedAROVID ASSOCIATES LLC · ownership 75% or more → 50–75%
- ChangedART. I FAMILY TRUST UNDER DAVID L. COHEN 2008 IRREVOC. TRUST DTD 4/22/08; JAY COHEN, MICHAEL GREENE & JEFFREY ELLIOTT, TRUSTEES · indirect via LLMD LLC: now a control person
- ChangedARTICLE I FAMILY TRUST UNDER HAROLD J. LEVY 2009 IRREVOCABLE TRUST DTD 5/28/09; SHARI B. LEVY, TRUSTEE · indirect via ALHERO LLC: now a control person
- ChangedLARENJAY, INC. · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC: ownership 75% or more → General partner, trustee or manager
Mar 17, 2017 filing
- ChangedBUCKLAN, LANE, STEVEN · title GENERAL COUNSEL; CHIEF COMPLIANCE OFFICER; CHIEF ADMINISTRATIVE OFFICER → CHIEF ADMINISTRATIVE OFFICER, GENERAL COUNSEL; CHIEF COMPLIANCE OFFICER
Mar 25, 2015 filing
- No longer listedLIU, VIVIEN · CLASS B MEMBER · 25–50% · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC · listed since Jan 2013
- No longer listedWOODBERRY, STURGIS, PAUL · CLASS B MEMBER · 50–75% · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC · listed since Nov 2012
- ChangedBUCKLAN, LANE, STEVEN · title GENERAL COUNSEL; CHIEF COMPLIANCE OFFICER → GENERAL COUNSEL; CHIEF COMPLIANCE OFFICER; CHIEF ADMINISTRATIVE OFFICER
Older changes (3 more filings)
Mar 17, 2014 filing
- AddedLIU, VIVIEN · CLASS B MEMBER · 25–50% · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC
- ChangedWOODBERRY, STURGIS, PAUL · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC: ownership 75% or more → 50–75%
Jan 15, 2013 filing
- AddedCOHEN, DAVID, LAWRENCE · SHAREHOLDER · 50–75% · indirect via LARENJAY, INC. · control person
- AddedIRIDIAN EMPLOYEE HOLDINGS LLC · MEMBER · Less than 5%
- AddedLARENJAY, INC. · CLASS A MEMBER; MANAGER · 75% or more · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC · control person
- AddedLEVY, HAROLD, JAY · SHAREHOLDER · 50–75% · indirect via LARENJAY, INC. · control person
- AddedWOODBERRY, STURGIS, PAUL · CLASS B MEMBER · 75% or more · indirect via IRIDIAN EMPLOYEE HOLDINGS LLC
Feb 27, 2012 filing (earliest on record)
- ListedALHERO LLC · MEMBER · 25–50% · indirect via AROVID ASSOCIATES LLC · control person
- ListedAROVID ASSOCIATES LLC · MEMBER · 75% or more · control person
- ListedART. I FAMILY TRUST UNDER DAVID L. COHEN 2008 IRREVOC. TRUST DTD 4/22/08; JAY COHEN, MICHAEL GREENE & JEFFREY ELLIOTT, TRUSTEES · MEMBER · 75% or more · indirect via LLMD LLC
- ListedARTICLE I FAMILY TRUST UNDER HAROLD J. LEVY 2009 IRREVOCABLE TRUST DTD 5/28/09; SHARI B. LEVY, TRUSTEE · MEMBER · 75% or more · indirect via ALHERO LLC
- ListedBUCKLAN, LANE, STEVEN · GENERAL COUNSEL; CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ListedCOHEN, DAVID, LAWRENCE · CO-PRESIDENT AND CO-CHIEF EXECUTIVE OFFICER; CO-CHIEF INVESTMENT OFFICER · Less than 5% · control person
- ListedCOHEN, DAVID, LAWRENCE · MEMBER; MANAGER · General partner, trustee or manager · indirect via AROVID ASSOCIATES LLC · control person
- ListedCOHEN, DAVID, LAWRENCE · MEMBER; MANAGER · General partner, trustee or manager · indirect via LLMD LLC · control person
- ListedELLIOTT, JEFFREY, MITCHELL · CHIEF FINANCIAL OFFICER, CHIEF OPERATING OFFICER AND SECRETARY · Less than 5% · control person
- ListedLEVY, HAROLD, JAY · CO-PRESIDENT AND CO-CHIEF EXECUTIVE OFFICER; CO-CHIEF INVESTMENT OFFICER · Less than 5% · control person
- ListedLEVY, HAROLD, JAY · MEMBER; MANAGER · General partner, trustee or manager · indirect via AROVID ASSOCIATES LLC · control person
- ListedLEVY, HAROLD, JAY · MEMBER; MANAGER · General partner, trustee or manager · indirect via ALHERO LLC · control person
- ListedLLMD LLC · MEMBER · 25–50% · indirect via AROVID ASSOCIATES LLC · 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)
- ACV AUCTIONS INC$10.9M +49.3%
- NUVECTIS PHARMA INC$9.3M +183.6%
- PRECIGEN INC$9.1M +65.3%
- HILTON GRAND VACATIONS INC$5.1M +27.1%
- FLEX LTD$3.9M +80.8%
Top Trims
- ENERGIZER HLDGS INC-$1.9M -56.9%
- RENTOKIL INITIAL PLC-$1.7M -28.7%
- CLARIVATE PLC-$993.4K -22.0%
- TG THERAPEUTICS INC-$979.9K -39.2%
- BILL HOLDINGS INC-$820.0K -10.8%
Exited Positions
- CHARLES RIV LABS INTL INC$1.7M
- CLEAR SECURE INC$1.0M
- ELICIO THERAPEUTICS INC$321.2K
IRIDIAN ASSET MANAGEMENT LLC/CT 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 | ACV AUCTIONS INC | ACVA | 00091G104 | $31.1M | 10.69% | 4,327,721 | SH |
| 2 | HERBALIFE LTD | HLF | G4412G101 | $26.7M | 9.16% | 2,028,280 | SH |
| 3 | HILTON GRAND VACATIONS INC | HGV | 43283X105 | $24.1M | 8.29% | 460,596 | SH |
| 4 | PRECIGEN INC | PGEN | 74017N105 | $23.0M | 7.90% | 4,031,963 | SH |
| 5 | LITHIA MTRS INC | LAD | 536797103 | $18.6M | 6.37% | 63,863 | SH |
| 6 | POST HLDGS INC | POST | 737446104 | $18.1M | 6.21% | 204,893 | SH |
| 7 | TRAVEL PLUS LEISURE CO | TNL | 894164102 | $15.0M | 5.15% | 196,202 | SH |
| 8 | NUVECTIS PHARMA INC | NVCT | 67080T108 | $14.1M | 4.85% | 767,078 | SH |
| 9 | AXSOME THERAPEUTICS INC. | AXSM | 05464T104 | $11.7M | 4.03% | 47,924 | SH |
| 10 | ELEMENT SOLUTIONS INC | ESI | 28618M106 | $8.8M | 3.03% | 184,702 | SH |
| 11 | FLEX LTD | FLEX | Y2573F102 | $8.7M | 2.98% | 53,467 | SH |
| 12 | LPL FINL HLDGS INC | LPLA | 50212V100 | $7.7M | 2.64% | 27,247 | SH |
| 13 | ON SEMICONDUCTOR CORP | ON | 682189105 | $6.9M | 2.37% | 72,979 | SH |
| 14 | NATIONAL ENERGY SERVICES REU | NESR | G6375R107 | $6.8M | 2.34% | 227,266 | SH |
| 15 | BILL HOLDINGS INC | BILL | 090043100 | $6.8M | 2.33% | 187,831 | SH |
| 16 | ELEVANCE HEALTH INC FORMERLY | ELV | 036752103 | $5.8M | 1.99% | 14,989 | SH |
| 17 | KATAPULT HOLDINGS INC | KPLT | 485859201 | $5.8M | 1.98% | 872,856 | SH |
| 18 | CROWN HLDGS INC | CCK | 228368106 | $5.0M | 1.73% | 44,931 | SH |
| 19 | RENTOKIL INITIAL PLC | RTO | 760125104 | $4.2M | 1.46% | 148,070 | SH |
| 20 | GEN DIGITAL INC | GEN | 668771108 | $3.8M | 1.30% | 152,306 | SH |
| 21 | BELLRING BRANDS INC | BRBR | 07831C103 | $3.7M | 1.27% | 284,929 | SH |
| 22 | CLARIVATE PLC | CLVT | G21810109 | $3.5M | 1.21% | 1,634,309 | SH |
| 23 | AMRIZE LTD | AMRZ | H2927K103 | $2.7M | 0.94% | 51,501 | SH |
| 24 | KKR & CO INC | KKR | 48251W104 | $2.7M | 0.93% | 29,647 | SH |
| 25 | NEKTAR THERAPEUTICS | NKTR | 640268306 | $2.7M | 0.93% | 38,802 | SH |
| 26 | BAKER HUGHES COMPANY | BKR | 05722G100 | $2.6M | 0.89% | 46,580 | SH |
| 27 | INTERCONTINENTAL EXCHANGE IN | ICE | 45866F104 | $2.1M | 0.72% | 16,981 | SH |
| 28 | BALL CORP | BALL | 058498106 | $2.1M | 0.71% | 33,139 | SH |
| 29 | SLB LIMITED | SLB | 806857108 | $2.0M | 0.70% | 43,927 | SH |
| 30 | ACV AUCTIONS INC | ACVA | 00091G104 | $1.8M | 0.62% | 250,000 | SH |
| 31 | POST HLDGS INC | POST | 737446104 | $1.8M | 0.61% | 20,000 | SH |
| 32 | RESTAURANT BRANDS INTL INC | QSR | 76131D103 | $1.7M | 0.60% | 23,890 | SH |
| 33 | TG THERAPEUTICS INC | TGTX | 88322Q108 | $1.5M | 0.52% | 27,689 | SH |
| 34 | ENERGIZER HLDGS INC | ENR | 29272W109 | $1.5M | 0.50% | 67,913 | SH |
| 35 | ABIVAX SA | ABVX | 00370M103 | $1.2M | 0.42% | 9,165 | SH |
| 36 | RH | RH | 74967X103 | $941.3K | 0.32% | 5,714 | SH |
| 37 | FLOWSERVE CORP | FLS | 34354P105 | $693.2K | 0.24% | 9,348 | SH |
| 38 | HERBALIFE LTD | HLF | G4412G101 | $657.5K | 0.23% | 50,000 | SH |
| 39 | DIGITALBRIDGE GROUP INC | DBRG | 25401T603 | $623.6K | 0.21% | 39,518 | SH |
| 40 | ZILLOW GROUP INC | Z | 98954M200 | $536.2K | 0.18% | 17,013 | SH |
| 41 | LABCORP HOLDINGS INC | LH | 504922105 | $495.9K | 0.17% | 1,771 | SH |
| 42 | MOLINA HEALTHCARE INC | MOH | 60855R100 | $352.7K | 0.12% | 1,542 | SH |
| 43 | BRIACELL THERAPEUTICS CORP | BCTX | 107930307 | $210.6K | 0.07% | 65,000 | SH |
| 44 | NUVECTIS PHARMA INC | NVCT | 67080T108 | $183.9K | 0.06% | 10,000 | SH |
| 45 | BRIACELL THERAPEUTICS CORP | BCTXL | 107930125 | $57.9K | 0.02% | 65,000 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-29 | $291.1M | 45 | 0001033427-26-000010 |
| 2026-03-31 | 2026-04-24 | $246.7M | 44 | 0001033427-26-000004 |
| 2025-12-31 | 2026-01-23 | $271.6M | 46 | 0001033427-26-000003 |
Filer Information
Address
20 HORSESHOE ROADDARIEN, CT 06820-2421
Phone
(203) 341-7800
Filing Manager
IRIDIAN ASSET MANAGEMENT LLC/CT
WESTPORT, CT
Signatory
Paul Wolt
CFO