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IRIDIAN ASSET MANAGEMENT LLC/CT

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13F filer, CIK 1033427, WESTPORT, CT

IRIDIAN ASSET MANAGEMENT LLC/CT reported $375,860,435 across 48 holdings for the quarter ended 2024-12-31, in a 13F-HR filed 2025-01-28. Its ten largest share positions make up 57.26% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001033427-25-000002

Period
2024-12-31
Reported value
$376M
Holdings
48
Top 10 weight
57.26%
New
3
Sold out
8

Stakes and trades reported after 2024-12-31

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

SecurityShares changeApprox. value
ELVadded+21,043$7.76M
IWRnew+72,500$6.41M
LNWOadded+48,621$4.2M
POSTadded+34,825$3.99M
QSRadded+46,145$3.01M

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

SecurityShares changeApprox. value
IWMexited-200,000-$44.2M
SPYreduced-40,000-$23.4M
BILLreduced-240,963-$20.4M
LPLAreduced-53,932-$17.6M
FLEXreduced-386,341-$14.8M

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, Q4 2024

Share positions as resolved from 13F-HR 0001033427-25-000002, largest first. % of portfolio is the value over $375,860,435, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 100,000 shares; 2024Q4: 60,000 shares 60,000$35.2M9.36%-40,000Timeline
TNLTRAVEL PLUS LEISURE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 534,156 shares; 2024Q4: 503,893 shares 503,893$25.4M6.76%-30,263Timeline
ACVAACV AUCTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,062,081 shares; 2024Q4: 1,106,154 shares 1,106,154$23.9M6.36%+44,073Timeline
POSTPOST HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 171,188 shares; 2024Q4: 206,013 shares 206,013$23.6M6.27%+34,825Timeline
ELVELEVANCE HEALTH INC FORMERLYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 39,154 shares; 2024Q4: 60,197 shares 60,197$22.2M5.91%+21,043Timeline
LADLITHIA MTRS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 65,641 shares; 2024Q4: 53,849 shares 53,849$19.2M5.12%-11,792Timeline
RTORENTOKIL INITIAL PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 719,795 shares; 2024Q4: 728,764 shares 728,764$18.5M4.91%+8,969Timeline
CCKCROWN HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 195,849 shares; 2024Q4: 222,292 shares 222,292$18.4M4.89%+26,443Timeline
HLFHERBALIFE LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,228,193 shares; 2024Q4: 2,507,740 shares 2,507,740$16.8M4.46%+279,547Timeline
GENGEN DIGITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 482,450 shares; 2024Q4: 441,492 shares 441,492$12.1M3.22%-40,958Timeline
HGVHILTON GRAND VACATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 311,673 shares; 2024Q4: 299,963 shares 299,963$11.7M3.11%-11,710Timeline
AXSMAXSOME THERAPEUTICS INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 126,803 shares; 2024Q4: 125,079 shares 125,079$10.6M2.82%-1,724Timeline
LPLALPL FINL HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 82,834 shares; 2024Q4: 28,902 shares 28,902$9.44M2.51%-53,932Timeline
CRLCHARLES RIV LABS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 55,043 shares; 2024Q4: 50,965 shares 50,965$9.41M2.5%-4,078Timeline
LNWOLIGHT & WONDER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 51,571 shares; 2024Q4: 100,192 shares 100,192$8.65M2.3%+48,621Timeline
QSRRESTAURANT BRANDS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 61,838 shares; 2024Q4: 107,983 shares 107,983$7.04M1.87%+46,145Timeline
GTLSCHART INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 42,957 shares; 2024Q4: 35,890 shares 35,890$6.85M1.82%-7,067Timeline
ESIELEMENT SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 290,769 shares; 2024Q4: 258,845 shares 258,845$6.58M1.75%-31,924Timeline
IWRISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 72,500 shares 72,500$6.41M1.71%newTimeline
BEACON ROOFING SUPPLY INCBEACON ROOFING SUPPLY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 83,713 shares; 2024Q4: 59,658 shares 59,658$6.06M1.61%-24,055
PGENPRECIGEN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,775,960 shares; 2024Q4: 5,241,922 shares 5,241,922$5.87M1.56%+1,465,962Timeline
CLVTCLARIVATE PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,045,679 shares; 2024Q4: 1,120,550 shares 1,120,550$5.69M1.51%+74,871Timeline
FLEXFLEX LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 533,225 shares; 2024Q4: 146,884 shares 146,884$5.64M1.5%-386,341Timeline
ONON SEMICONDUCTOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 90,709 shares; 2024Q4: 88,355 shares 88,355$5.57M1.48%-2,354Timeline
WOLFSPEED INCWOLFSPEED INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 521,158 shares; 2024Q4: 816,183 shares 816,183$5.44M1.45%+295,025
YOUCLEAR SECURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 164,572 shares; 2024Q4: 180,175 shares 180,175$4.8M1.28%+15,603Timeline
WBDWARNER BROS DISCOVERY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 189,715 shares; 2024Q4: 448,784 shares 448,784$4.74M1.26%+259,069Timeline
LHLABCORP HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 22,216 shares; 2024Q4: 20,495 shares 20,495$4.7M1.25%-1,721Timeline
BILLBILL HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 294,668 shares; 2024Q4: 53,705 shares 53,705$4.55M1.21%-240,963Timeline
DBRGDIGITALBRIDGE GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 387,827 shares; 2024Q4: 365,504 shares 365,504$4.12M1.1%-22,323Timeline
CHAMPIONX CORPORATIONCHAMPIONX CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 127,943 shares; 2024Q4: 124,811 shares 124,811$3.39M0.9%-3,132
ICEINTERCONTINENTAL EXCHANGE INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 24,477 shares; 2024Q4: 22,364 shares 22,364$3.33M0.89%-2,113Timeline
BKRBAKER HUGHES COMPANYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 145,094 shares; 2024Q4: 78,958 shares 78,958$3.24M0.86%-66,136Timeline
KKRKKR & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 27,084 shares; 2024Q4: 20,825 shares 20,825$3.08M0.82%-6,259Timeline
KPLTKATAPULT HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 400,000 shares; 2024Q4: 438,000 shares 438,000$2.96M0.79%+38,000Timeline
AVADEL PHARMACEUTICALSAVADEL PHARMACEUTICALSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 167,700 shares; 2024Q4: 169,586 shares 169,586$1.78M0.47%+1,886
TGTXTG THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 47,532 shares; 2024Q4: 47,532 shares 47,532$1.43M0.38%0Timeline
NESRNATIONAL ENERGY SERVICES REUQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 153,836 shares 153,836$1.38M0.37%newTimeline
BEBLOOM ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 62,951 shares; 2024Q4: 57,597 shares 57,597$1.28M0.34%-5,354Timeline
TECKTECK RESOURCES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 51,247 shares; 2024Q4: 26,394 shares 26,394$1.07M0.28%-24,853Timeline
FTREFORTREA HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 52,807 shares; 2024Q4: 47,924 shares 47,924$894K0.24%-4,883Timeline
GBTCGRAYSCALE BITCOIN TRUST ETFQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 20,300 shares; 2024Q4: 11,836 shares 11,836$876K0.23%-8,464Timeline
MOHMOLINA HEALTHCARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,522 shares; 2024Q4: 2,522 shares 2,522$734K0.2%0Timeline
ZZILLOW GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,286 shares; 2024Q4: 6,166 shares 6,166$457K0.12%-120Timeline
MRCYMERCURY SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,556 shares; 2024Q4: 9,357 shares 9,357$393K0.1%-199Timeline
CLNECLEAN ENERGY FUELS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 146,377 shares; 2024Q4: 146,377 shares 146,377$367K0.1%0Timeline
NATIONAL ENERGY SERVICES REUNATIONAL ENERGY SERVICES REUQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 251,071 shares 251,071$98.1K0.03%new
ALTUS POWER INCALTUS POWER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,653 shares; 2024Q4: 12,653 shares 12,653$51.5K0.01%0

Sold out in Q4 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
IWMISHARES TR200,000$44.2Mshares
BRBRBELLRING BRANDS INC56,758$3.45Mshares
NRGNRG ENERGY INC4,936$450Kshares
NVCTNUVECTIS PHARMA INC55,380$348Kshares
MGNIMAGNITE INC18,390$255Kshares
SLQTSELECTQUOTE INC102,107$222Kshares
Grayscale Bitcoin Minitrust…Grayscale Bitcoin Minitrust ETF20,300$114Kshares
DANIMER SCIENTIFIC INCDANIMER SCIENTIFIC INC11,760$5.34Kshares

How Q4 2024 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).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001033427-25-000002 base2025-01-28acceptance time not in the bulk data set