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, exited 3, added to 18, and trimmed 17.
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.
DARIEN, CT 06820-2421
$291.1M
Long-equity book
45
Distinct positions
2026-06-30
Filed 2026-07-29
+2 / −3 / ↑18 / ↓17
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
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
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 |
| 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 |