IRIDIAN ASSET MANAGEMENT LLC/CT
Follow13F filer, CIK 1033427, WESTPORT, CT
IRIDIAN ASSET MANAGEMENT LLC/CT reported $291,054,769 across 41 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-07-29. Its ten largest share positions make up 67.2% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001033427-26-000010
- Period
- 2026-06-30
- Reported value
- $291M
- Holdings
- 41
- Top 10 weight
- 67.2%
- New
- 2
- Sold out
- 3
Stakes and trades reported after 2026-06-30
13D, 13G and Form 4 filings by this filer's group, dated after the 13F period, on securities the quarter does not hold as shares.
- KATAPULT HOLDINGS INC: 13G/A 919,498 shares, 1.1% of the class, 13G/A filed 2026-10-01, 0001033427-26-000012
Accepted , ingested
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| HLFadded | +456,662 | $6.01M |
| POSTadded | +42,924 | $3.79M |
| PGENadded | +439,233 | $2.5M |
| NVCTadded | +125,321 | $2.3M |
| LPLAadded | +7,729 | $2.18M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| AXSMreduced | -19,567 | -$4.79M |
| ACVAreduced | -622,788 | -$4.48M |
| FLEXreduced | -19,749 | -$3.2M |
| ENRreduced | -137,848 | -$2.96M |
| TGTXreduced | -47,600 | -$2.62M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2026
Share positions as resolved from 13F-HR 0001033427-26-000010, largest first. % of portfolio is the value over $291,054,769, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| ACVAACV AUCTIONS INC | 4,577,721 | $32.9M | 11.31% | -622,788 | Timeline | ||
| HLFHERBALIFE LTD | 2,078,280 | $27.3M | 9.39% | +456,662 | Timeline | ||
| HGVHILTON GRAND VACATIONS INC | 460,596 | $24.1M | 8.29% | -24,604 | Timeline | ||
| PGENPRECIGEN INC | 4,031,963 | $23M | 7.9% | +439,233 | Timeline | ||
| POSTPOST HLDGS INC | 224,893 | $19.8M | 6.82% | +42,924 | Timeline | ||
| LADLITHIA MTRS INC | 63,863 | $18.6M | 6.37% | -1,724 | Timeline | ||
| TNLTRAVEL PLUS LEISURE CO | 196,202 | $15M | 5.15% | -751 | Timeline | ||
| NVCTNUVECTIS PHARMA INC | 777,078 | $14.3M | 4.91% | +125,321 | Timeline | ||
| AXSMAXSOME THERAPEUTICS INC. | 47,924 | $11.7M | 4.03% | -19,567 | Timeline | ||
| ESIELEMENT SOLUTIONS INC | 184,702 | $8.82M | 3.03% | -51,640 | Timeline | ||
| FLEXFLEX LTD | 53,467 | $8.67M | 2.98% | -19,749 | Timeline | ||
| LPLALPL FINL HLDGS INC | 27,247 | $7.67M | 2.64% | +7,729 | Timeline | ||
| ONON SEMICONDUCTOR CORP | 72,979 | $6.9M | 2.37% | -14,899 | Timeline | ||
| NESRNATIONAL ENERGY SERVICES REU | 227,266 | $6.8M | 2.34% | -7,210 | Timeline | ||
| BILLBILL HOLDINGS INC | 187,831 | $6.79M | 2.33% | -10,914 | Timeline | ||
| ELVELEVANCE HEALTH INC FORMERLY | 14,989 | $5.8M | 1.99% | -6,636 | Timeline | ||
| KPLTKATAPULT HOLDINGS INC | 872,856 | $5.77M | 1.98% | -24,261 | Timeline | ||
| CCKCROWN HLDGS INC | 44,931 | $5.02M | 1.73% | -2,605 | Timeline | ||
| RTORENTOKIL INITIAL PLC | 148,070 | $4.24M | 1.46% | -40,745 | Timeline | ||
| GENGEN DIGITAL INC | 152,306 | $3.79M | 1.3% | -37,017 | Timeline | ||
| BRBRBELLRING BRANDS INC | 284,929 | $3.69M | 1.27% | +61,984 | Timeline | ||
| CLVTCLARIVATE PLC | 1,634,309 | $3.53M | 1.21% | -153,634 | Timeline | ||
| AMRZAMRIZE LTD | 51,501 | $2.75M | 0.94% | +39,042 | Timeline | ||
| KKRKKR & CO INC | 29,647 | $2.72M | 0.93% | -1,716 | Timeline | ||
| NKTRNEKTAR THERAPEUTICS | 38,802 | $2.71M | 0.93% | +7,482 | Timeline | ||
| BKRBAKER HUGHES COMPANY | 46,580 | $2.59M | 0.89% | -2,740 | Timeline | ||
| ICEINTERCONTINENTAL EXCHANGE IN | 16,981 | $2.09M | 0.72% | +1,466 | Timeline | ||
| BALLBALL CORP | 33,139 | $2.07M | 0.71% | -1,937 | Timeline | ||
| SLBSLB LIMITED | 43,927 | $2.04M | 0.7% | -9,023 | Timeline | ||
| QSRRESTAURANT BRANDS INTL INC | 23,890 | $1.73M | 0.6% | -5,929 | Timeline | ||
| TGTXTG THERAPEUTICS INC | 27,689 | $1.52M | 0.52% | -47,600 | Timeline | ||
| ENRENERGIZER HLDGS INC | 67,913 | $1.46M | 0.5% | -137,848 | Timeline | ||
| ABVXABIVAX SA | 9,165 | $1.22M | 0.42% | new | Timeline | ||
| RHRH | 5,714 | $941K | 0.32% | -353 | Timeline | ||
| FLSFLOWSERVE CORP | 9,348 | $693K | 0.24% | new | Timeline | ||
| DBRGDIGITALBRIDGE GROUP INC | 39,518 | $624K | 0.21% | 0 | Timeline | ||
| ZZILLOW GROUP INC | 17,013 | $536K | 0.18% | -1,027 | Timeline | ||
| LHLABCORP HOLDINGS INC | 1,771 | $496K | 0.17% | -1,056 | Timeline | ||
| MOHMOLINA HEALTHCARE INC | 1,542 | $353K | 0.12% | -6,288 | Timeline | ||
| BCTXBRIACELL THERAPEUTICS CORP | 65,000 | $211K | 0.07% | 0 | Timeline | ||
| BCTXLBRIACELL THERAPEUTICS CORP | 65,000 | $57.9K | 0.02% | 0 | Timeline |
Sold out in Q2 2026
Positions in the previous quarter's report that this quarter's report no longer lists.
How Q2 2026 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001033427-26-000010 | base | 2026-07-29 | acceptance time not in the bulk data set |
Filings
Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.
| Filing | Subject | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13G/A 0001033427-26-000012 | KATAPULT HOLDINGS INC | 2026-10-01 | ||
| 13F-HR 0001033427-26-000010 | Quarter ended 2026-06-30 | 2026-07-29 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-26-000004 | Quarter ended 2026-03-31 | 2026-04-24 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-26-000003 | Quarter ended 2025-12-31 | 2026-01-23 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-25-000014 | Quarter ended 2025-09-30 | 2025-10-24 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-25-000012 | Quarter ended 2025-06-30 | 2025-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-25-000003 | Quarter ended 2025-03-31 | 2025-04-30 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-25-000002 | Quarter ended 2024-12-31 | 2025-01-28 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-24-000009 | Quarter ended 2024-09-30 | 2024-10-25 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-24-000005 | Quarter ended 2024-06-30 | 2024-07-26 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-24-000004 | Quarter ended 2024-03-31 | 2024-05-01 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-24-000001 | Quarter ended 2023-12-31 | 2024-01-26 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-23-000007 | Quarter ended 2023-09-30 | 2023-10-30 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-23-000006 | Quarter ended 2023-06-30 | 2023-08-09 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-23-000005 | Quarter ended 2023-03-31 | 2023-04-28 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-23-000002 | Quarter ended 2022-12-31 | 2023-01-31 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-22-000016 | Quarter ended 2022-09-30 | 2022-11-07 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-22-000013 | Quarter ended 2022-06-30 | 2022-07-29 | acceptance time not in the bulk data set | |
| 13F-HR 0001058997-22-000005 | Quarter ended 2022-03-31 | 2022-05-02 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-22-000010 | Quarter ended 2021-12-31 | 2022-02-10 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-21-000017 | Quarter ended 2021-09-30 | 2021-11-10 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-21-000015 | Quarter ended 2021-06-30 | 2021-08-11 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-21-000012 | Quarter ended 2021-03-31 | 2021-05-11 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-21-000009 | Quarter ended 2020-12-31 | 2021-02-08 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-20-000026 | Quarter ended 2020-09-30 | 2020-11-02 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-20-000024 | Quarter ended 2020-06-30 | 2020-08-10 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-20-000022 | Quarter ended 2020-03-31 | 2020-05-11 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-20-000020 | Quarter ended 2019-12-31 | 2020-02-03 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-19-000031 | Quarter ended 2019-09-30 | 2019-11-06 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-19-000027 | Quarter ended 2019-06-30 | 2019-07-31 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-19-000025 | Quarter ended 2019-03-31 | 2019-05-06 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-19-000023 | Quarter ended 2018-12-31 | 2019-02-07 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-18-000046 | Quarter ended 2018-09-30 | 2018-11-09 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-18-000038 | Quarter ended 2018-06-30 | 2018-08-01 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-18-000035 | Quarter ended 2018-03-31 | 2018-05-10 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-18-000008 | Quarter ended 2017-12-31 | 2018-02-01 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-17-000054 | Quarter ended 2017-09-30 | 2017-11-08 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-17-000051 | Quarter ended 2017-06-30 | 2017-08-07 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-17-000045 | Quarter ended 2017-03-31 | 2017-05-09 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-17-000036 | Quarter ended 2016-12-31 | 2017-02-03 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-16-000115 | Quarter ended 2016-09-30 | 2016-11-09 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-16-000110 | Quarter ended 2016-06-30 | 2016-08-09 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-16-000103 | Quarter ended 2016-03-31 | 2016-05-10 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-16-000093 | Quarter ended 2015-12-31 | 2016-02-05 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-15-000051 | Quarter ended 2015-09-30 | 2015-11-04 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-15-000047 | Quarter ended 2015-06-30 | 2015-08-12 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-15-000039 | Quarter ended 2015-03-31 | 2015-05-08 | acceptance time not in the bulk data set | |
| 13F-HR/A 0001033427-15-000028 | Quarter ended 2014-12-31 | 2015-02-12 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-15-000026 | Quarter ended 2014-12-31 | 2015-02-10 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-14-000039 | Quarter ended 2014-09-30 | 2014-11-07 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-14-000036 | Quarter ended 2014-06-30 | 2014-08-11 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-14-000032 | Quarter ended 2014-03-31 | 2014-05-06 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-14-000029 | Quarter ended 2013-12-31 | 2014-02-06 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-13-000030 | Quarter ended 2013-09-30 | 2013-11-12 | acceptance time not in the bulk data set | |
| 13F-HR 0001033427-13-000027 | Quarter ended 2013-06-30 | 2013-08-08 | acceptance time not in the bulk data set |