Institutional Manager · CIK 0001033427
IRIDIAN ASSET MANAGEMENT LLC/CT
WESTPORT, CT · File #028-06008
Latest AUM
$271.6M
Positions
46
Top-10 Concentration
58.8%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | HERBALIFE LTD | HLF | -2,249,155 | -$29.0M | +$10.9M |
| REDUCE | ELEVANCE HEALTH INC FORMERLY | ELV | -27,029 | -$9.5M | +$1.4M |
| REDUCE | RENTOKIL INITIAL PLC | RKLIF | -308,212 | -$9.1M | +$2.6M |
| ADD | ACV AUCTIONS INC | ACVA | +1,108,301 | +$8.9M | -$3.6M |
| ADD | HILTON GRAND VACATIONS INC | HGV | +190,909 | +$8.5M | +$805,721 |
| REDUCE | BILL HOLDINGS INC | BILL | -131,554 | -$7.2M | +$237,940 |
| EXITED | LIGHT & WONDER INC | 80874P109 | -81,186 | -$6.8M | $0 |
| REDUCE | TRAVEL PLUS LEISURE CO | 894164102 | -95,571 | -$6.7M | +$3.4M |
| ADD | POST HLDGS INC | POST | +50,044 | +$5.0M | -$1.0M |
| REDUCE | CHART INDS INC | 16115Q308 | -23,051 | -$4.8M | +$178,612 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202546 pos · $271.6M
- 13F HOLDINGS REPORTQ/E Sep 202543 pos · $254.1M
- 13F HOLDINGS REPORTQ/E Jun 202542 pos · $288.7M
- 13F HOLDINGS REPORTQ/E Mar 202548 pos · $318.9M
- 13F HOLDINGS REPORTQ/E Dec 202449 pos · $375.9M
- 13F HOLDINGS REPORTQ/E Sep 202454 pos · $467.1M
- 13F HOLDINGS REPORTQ/E Jun 202452 pos · $443.1M
- 13F HOLDINGS REPORTQ/E Mar 202455 pos · $509.6M
- 13F HOLDINGS REPORTQ/E Dec 202351 pos · $493.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ACV AUCTIONS INC | ACVA | 2,989,152 | $24.0M | 8.83% |
| 2 | HERBALIFE LTD | HLF | 1,636,381 | $21.1M | 7.77% |
| 3 | HILTON GRAND VACATIONS INC | HGV | 464,964 | $20.8M | 7.66% |
| 4 | POST HLDGS INC | POST | 169,125 | $16.8M | 6.17% |
| 5 | LITHIA MTRS INC | 536797103 | 47,182 | $15.7M | 5.77% |
| 6 | PRECIGEN INC | PGEN | 3,600,195 | $15.0M | 5.54% |
| 7 | TRAVEL PLUS LEISURE CO | 894164102 | 209,844 | $14.8M | 5.45% |
| 8 | AXSOME THERAPEUTICS INC | AXSM | 73,783 | $13.5M | 4.96% |
| 9 | BILL HOLDINGS INC | BILL | 167,404 | $9.1M | 3.36% |
| 10 | RENTOKIL INITIAL PLC | RKLIF | 306,397 | $9.0M | 3.32% |
| 11 | ELEVANCE HEALTH INC FORMERLY | ELV | 25,074 | $8.8M | 3.24% |
| 12 | ELEMENT SOLUTIONS INC | ESI | 264,211 | $6.6M | 2.43% |
| 13 | BALL CORP | BALL | 122,835 | $6.5M | 2.40% |
| 14 | CROWN HLDGS INC | CCK | 60,365 | $6.2M | 2.29% |
| 15 | DIGITALBRIDGE GROUP INC | DBRG-PJ | 399,771 | $6.1M | 2.26% |
| 16 | KATAPULT HOLDINGS INC | KPLTW | 920,000 | $5.9M | 2.19% |
| 17 | AVADEL PHARMACEUTICALS PLC | G29687103 | 247,086 | $5.3M | 1.96% |
| 18 | CHARLES RIV LABS INTL INC | 159864107 | 26,568 | $5.3M | 1.95% |
| 19 | GEN DIGITAL INC | GENVR | 190,232 | $5.2M | 1.90% |
| 20 | LPL FINL HLDGS INC | 50212V100 | 14,385 | $5.1M | 1.89% |