Iridian Asset Management LLC
Iridian Asset Management LLC reported 41 US-listed holdings worth $274.9 million in its 13F for the quarter ended 30 September 2026, filed 23 October 2026. Its largest: Acv Auctions Inc. (11.7%), Precigen Inc. (9.5%) and Herbalife Ltd (9.1%). Against the quarter before, it opened 3 positions, added to 14, trimmed 21 and sold out of 3.
The 14 largest of its 41 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +39.3% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held
Opened 3
- Xylem Inc. XYL$2.1 million
- Clear Secure, Inc. YOU$1.7 million
- Innoviva, Inc. INVA$862,271
Added to 14
- Hilton Grand Vacations Inc. HGV+251,068 shares · +55%
- Nektar Therapeutics NKTR+55,895 shares · +144%
- Post Holdings, Inc. POST+43,759 shares · +19%
- Rentokil Initial PLC RTO+80,182 shares · +54%
- Element Solutions Inc. ESI+39,351 shares · +21%
- Flowserve Corp. FLS+19,055 shares · +204%
- Bellring Brands Inc. BRBR+159,575 shares · +56%
- ON Semiconductor Corp. ON+15,155 shares · +21%
and 6 more in the table below
Trimmed 21
- Acv Auctions Inc. ACVA-1.5 million shares · -33%
- Precigen Inc. PGEN-967,392 shares · -24%
- Lithia Motors Inc. LAD-17,066 shares · -27%
- Bill Holdings, Inc. BILL-63,832 shares · -34%
- Elevance Health, Inc. ELV-4,737 shares · -32%
- LPL Finl Hldgs Inc. LPLA-3,811 shares · -14%
- National Energy Services Reu NESR-43,595 shares · -19%
- Gen Digital Inc. GEN-47,576 shares · -31%
and 13 more in the table below
Sold out of 3
- Digitalbridge Group Inc. DBRG$623,594 last quarter
- Labcorp Holdings Inc. LH$495,880 last quarter
- Molina Healthcare, Inc. MOH$352,655 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Acv Auctions Inc. ACVA | 3.1M | $32.0 million | 11.66% | -1.5M |
| Precigen Inc. PGEN | 3.1M | $26.2 million | 9.54% | -967.4K |
| Herbalife Ltd HLF | 2.1M | $25.0 million | 9.09% | -18.9K |
| Hilton Grand Vacations Inc. HGV | 711.7K | $24.7 million | 8.97% | +251.1K |
| Post Holdings, Inc. POST | 268.7K | $19.6 million | 7.12% | +43.8K |
| Nuvectis Pharma Inc. NVCT | 793.2K | $16.8 million | 6.09% | +16.1K |
| Lithia Motors Inc. LAD | 46.8K | $13.7 million | 4.97% | -17.1K |
| Travel & Leisure Co. TNL | 198.1K | $12.3 million | 4.46% | +1.9K |
| Axsome Therapeutics Inc. AXSM | 45.1K | $8.3 million | 3.03% | -2.8K |
| Element Solutions Inc. ESI | 224.1K | $8.1 million | 2.96% | +39.4K |
| LPL Finl Hldgs Inc. LPLA | 23.4K | $7.2 million | 2.61% | -3.8K |
| ON Semiconductor Corp. ON | 88.1K | $6.8 million | 2.46% | +15.2K |
| Nektar Therapeutics NKTR | 94.7K | $5.7 million | 2.09% | +55.9K |
| Flex Ltd. FLEX | 52.0K | $5.7 million | 2.08% | -1.5K |
| Bill Holdings, Inc. BILL | 124.0K | $5.3 million | 1.92% | -63.8K |
| Crown Holdings, Inc. CCK | 45.2K | $4.8 million | 1.73% | +280 |
| National Energy Services Reu NESR | 183.7K | $4.7 million | 1.70% | -43.6K |
| Rentokil Initial PLC RTO | 228.3K | $4.5 million | 1.64% | +80.2K |
| Katapult Holdings Inc. KPLT | 919.5K | $4.0 million | 1.46% | +46.6K |
| Elevance Health, Inc. ELV | 10.3K | $4.0 million | 1.45% | -4.7K |
| Bellring Brands Inc. BRBR | 444.5K | $3.4 million | 1.24% | +159.6K |
| Ball Corp. BALL | 47.8K | $2.7 million | 0.97% | +14.6K |
| Clarivate PLC CLVT | 1.5M | $2.5 million | 0.90% | -153.7K |
| KKR & Co. Inc. KKR | 26.9K | $2.5 million | 0.89% | -2.8K |
| Intercontinental Exchange, Inc. ICE | 15.4K | $2.3 million | 0.85% | -1.6K |
| Baker Hughes Co. BKR | 42.2K | $2.3 million | 0.84% | -4.4K |
| Gen Digital Inc. GEN | 104.7K | $2.3 million | 0.84% | -47.6K |
| Xylem Inc. XYL | 20.7K | $2.1 million | 0.76% | new |
| Flowserve Corp. FLS | 28.4K | $2.1 million | 0.76% | +19.1K |
| Amrize Ltd AMRZ | 46.7K | $1.7 million | 0.64% | -4.8K |
| SLB Limited SLB | 35.7K | $1.7 million | 0.63% | -8.3K |
| Clear Secure, Inc. YOU | 40.3K | $1.7 million | 0.62% | new |
| Abivax SA ABVX | 17.0K | $1.7 million | 0.61% | +7.8K |
| Restaurant Brands Intl Inc. QSR | 21.9K | $1.6 million | 0.57% | -2.0K |
| TG Therapeutics, Inc. TGTX | 27.7K | $1.5 million | 0.56% | no change |
| Energizer Holdings, Inc. ENR | 61.7K | $1.3 million | 0.48% | -6.2K |
| Innoviva, Inc. INVA | 40.7K | $862,271 | 0.31% | new |
| RH RH | 4.9K | $598,523 | 0.22% | -798 |
| Zillow Group Inc. Z | 15.4K | $418,453 | 0.15% | -1.6K |
| Briacell Therapeutics Corp. BCTX | 65.0K | $278,200 | 0.10% | no change |
| Briacell Therapeutics Corp. BCTXL | 65.0K | $75,400 | 0.03% | no change |