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Super Investors IRIDIAN ASSET MANAGEMENT LLC/CT
IA

IRIDIAN ASSET MANAGEMENT LLC/CT

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$275M
Positions
41
Quarter ended
September 30, 2026
Filed
October 23, 2026

Reported portfolio value by quarter (54 quarters reported)

$12.7B $247M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$7.93B in Q2 2013 → $275M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Acv Auctions Inc 11.7% Trimmed 33% 3,072,272 $32M
Precigen Inc 9.5% Trimmed 24% 3,064,571 $26.2M
Herbalife Ltd 9.1% Trimmed 0.9% 2,059,360 $25M
Hilton Grand Vacations Inc 9.0% Added 55% 711,664 $24.7M
PH Post Hldgs Inc 7.1% Added 19% 268,652 $19.6M
Nuvectis Pharma Inc 6.1% Added 2.1% 793,207 $16.8M
LM Lithia Mtrs Inc 5.0% Trimmed 27% 46,797 $13.7M
TP Travel Plus Leisure Co 4.5% Added 1.0% 198,075 $12.3M
Axsome Therapeutics Inc. 3.0% Trimmed 5.8% 45,129 $8.32M
Element Solutions Inc 3.0% Added 21% 224,053 $8.13M
LF Lpl Finl Hldgs Inc 2.6% Trimmed 14% 23,436 $7.17M
On Semiconductor Corp 2.5% Added 21% 88,134 $6.77M
Nektar Therapeutics 2.1% Added 144% 94,697 $5.73M
Flex Ltd 2.1% Trimmed 2.7% 52,010 $5.72M
Bill Holdings Inc 1.9% Trimmed 34% 123,999 $5.27M
CH Crown Hldgs Inc 1.7% Added 0.6% 45,211 $4.77M
NE National Energy Services Reu 1.7% Trimmed 19% 183,671 $4.68M
Rentokil Initial PLC 1.6% Added 54% 228,252 $4.51M
Katapult Holdings Inc 1.5% Added 5.3% 919,498 $4.02M
EH Elevance Health Inc Formerly 1.5% Trimmed 32% 10,252 $3.99M
Bellring Brands Inc 1.2% Added 56% 444,504 $3.42M
Ball Corp 1.0% Added 44% 47,762 $2.68M
Clarivate PLC 0.9% Trimmed 9.4% 1,480,574 $2.47M
Kkr & Co Inc 0.9% Trimmed 9.3% 26,878 $2.45M
IE Intercontinental Exchange In 0.8% Trimmed 9.5% 15,361 $2.34M
Baker Hughes Company 0.8% Trimmed 9.4% 42,221 $2.32M
Gen Digital Inc 0.8% Trimmed 31% 104,730 $2.31M
Xylem Inc 0.8% New 20,710 $2.1M
Flowserve Corp 0.8% Added 204% 28,403 $2.08M
A Amrize Ltd 0.6% Trimmed 9.3% 46,728 $1.75M
SL Slb Limited 0.6% Trimmed 19% 35,666 $1.74M
Clear Secure Inc 0.6% New 40,344 $1.69M
Abivax Sa 0.6% Added 86% 17,005 $1.68M
RB Restaurant Brands Intl Inc 0.6% Trimmed 8.4% 21,892 $1.56M
Tg Therapeutics Inc 0.6% Unchanged 27,689 $1.54M
EH Energizer Hldgs Inc 0.5% Trimmed 9.1% 61,719 $1.32M
Innoviva Inc 0.3% New 40,654 $862K
Rh 0.2% Trimmed 14% 4,916 $599K
Zillow Group Inc 0.2% Trimmed 9.3% 15,424 $418K
Briacell Therapeutics Corp 0.1% Unchanged 65,000 $278K
Briacell Therapeutics Corp 0.0% Unchanged 65,000 $75.4K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 23, 2026

Company Action Shares changed Value of change % of portfolio
Acv Auctions Inc Trimmed −1,505,449 −$15.7M 11.7%
Hilton Grand Vacations Inc Added +251,068 +$8.7M 9.0%
Precigen Inc Trimmed −967,392 −$8.28M 9.5%
LM Lithia Mtrs Inc Trimmed −17,066 −$4.98M 5.0%
Nektar Therapeutics Added +55,895 +$3.38M 2.1%
PH Post Hldgs Inc Added +43,759 +$3.19M 7.1%
Bill Holdings Inc Trimmed −63,832 −$2.72M 1.9%
Xylem Inc New +20,710 +$2.1M 0.8%
EH Elevance Health Inc Formerly Trimmed −4,737 −$1.84M 1.5%
Clear Secure Inc New +40,344 +$1.69M 0.6%

Showing the 10 largest of 41 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 29, 2026

Company Action Shares changed Value of change % of portfolio
Herbalife Ltd Added +456,662 +$6.01M 9.4%
Axsome Therapeutics Inc. Trimmed −19,567 −$4.79M 4.0%
Acv Auctions Inc Trimmed −622,788 −$4.48M 11.3%
PH Post Hldgs Inc Added +42,924 +$3.79M 6.8%
Flex Ltd Trimmed −19,749 −$3.2M 3.0%
EH Energizer Hldgs Inc Trimmed −137,848 −$2.96M 0.5%
Tg Therapeutics Inc Trimmed −47,600 −$2.62M 0.5%
EH Elevance Health Inc Formerly Trimmed −6,636 −$2.57M 2.0%
Precigen Inc Added +439,233 +$2.5M 7.9%
Element Solutions Inc Trimmed −51,640 −$2.47M 3.0%

Showing the 10 largest of 41 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 24, 2026

Company Action Shares changed Value of change % of portfolio
Acv Auctions Inc Added +2,211,357 +$9.38M 8.9%
Digitalbridge Group Inc Trimmed −360,253 −$5.56M 0.2%
Avadel Pharmaceuticals PLC Exited −247,086 −$5.32M —
Ball Corp Trimmed −87,759 −$5.19M 0.8%
LM Lithia Mtrs Inc Added +18,405 +$4.6M 6.6%
Rentokil Initial PLC Trimmed −117,582 −$3.7M 2.4%
Bellring Brands Inc New +222,945 +$3.59M 1.5%
Herbalife Ltd Trimmed −214,763 −$3.16M 9.7%
CR Charles Riv Labs Intl Inc Trimmed −16,723 −$2.88M 0.7%
EH Energizer Hldgs Inc Added +110,222 +$1.81M 1.4%

Showing the 10 largest of 47 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 23, 2026

Company Action Shares changed Value of change % of portfolio
EH Elevance Health Inc Formerly Trimmed −27,029 −$9.48M 3.2%
Rentokil Initial PLC Trimmed −308,212 −$9.08M 3.3%
Acv Auctions Inc Added +1,108,301 +$8.89M 8.8%
Hilton Grand Vacations Inc Added +190,909 +$8.54M 7.7%
Herbalife Ltd Trimmed −612,774 −$7.9M 8.7%
Light & Wonder Inc Exited −81,186 −$6.81M —
TP Travel Plus Leisure Co Trimmed −95,571 −$6.74M 5.4%
PH Post Hldgs Inc Added +50,044 +$4.96M 6.2%
CI Chart Inds Inc Trimmed −23,051 −$4.75M 0.5%
Ball Corp Added +76,211 +$4.04M 2.4%

Showing the 10 largest of 45 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 24, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −40,000 −$24.7M —
Warner Bros Discovery Inc Trimmed −405,885 −$7.93M 1.1%
TP Travel Plus Leisure Co Trimmed −133,235 −$7.93M 7.2%
Acv Auctions Inc Added +649,358 +$6.44M 7.3%
Clear Secure Inc Trimmed −125,171 −$4.18M 0.6%
Hilton Grand Vacations Inc Added +75,453 +$3.15M 4.5%
Katapult Holdings Inc Trimmed −256,228 −$3.06M 1.5%
CR Charles Riv Labs Intl Inc Trimmed −18,940 −$2.96M 1.8%
CH Crown Hldgs Inc Trimmed −26,014 −$2.51M 2.2%
Championx Corporation Exited −94,662 −$2.35M —

Showing the 10 largest of 44 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr New +40,000 +$24.7M 8.6%
Acv Auctions Inc Trimmed −735,839 −$11.9M 6.9%
CH Crown Hldgs Inc Trimmed −115,118 −$11.9M 2.9%
Gen Digital Inc Trimmed −182,067 −$5.35M 2.4%
Herbalife Ltd Trimmed −547,171 −$4.72M 6.7%
RB Restaurant Brands Intl Inc Trimmed −69,255 −$4.59M 1.1%
Hilton Grand Vacations Inc Trimmed −90,999 −$3.78M 2.9%
PH Post Hldgs Inc Trimmed −33,719 −$3.68M 5.3%
Rentokil Initial PLC Trimmed −131,149 −$3.15M 5.8%
Wolfspeed Inc Exited −913,529 −$2.8M —

Showing the 10 largest of 41 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 30, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −60,000 −$35.2M —
Acv Auctions Inc Added +861,178 +$12.1M 8.7%
BR Beacon Roofing Supply Inc Trimmed −57,458 −$7.11M 0.1%
IT Ishares Tr Exited −72,500 −$6.41M —
Labcorp Holdings Inc Trimmed −16,272 −$3.79M 0.3%
PH Post Hldgs Inc Trimmed −32,339 −$3.76M 6.3%
Elevance Health Inc Trimmed −8,206 −$3.57M 7.1%
LF Lpl Finl Hldgs Inc Trimmed −8,001 −$2.62M 2.1%
Bill Holdings Inc Added +56,144 +$2.58M 1.6%
Nuvectis Pharma Inc New +253,972 +$2.48M 0.8%

Showing the 10 largest of 49 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 28, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Exited −200,000 −$44.2M —
SS SPDR S&P 500 ETF Tr Trimmed −40,000 −$23.4M 9.4%
Bill Holdings Inc Trimmed −240,963 −$20.4M 1.2%
LF Lpl Finl Hldgs Inc Trimmed −53,932 −$17.6M 2.5%
Flex Ltd Trimmed −386,341 −$14.8M 1.5%
Elevance Health Inc Added +21,043 +$7.76M 5.9%
IT Ishares Tr New +72,500 +$6.41M 1.7%
LM Lithia Mtrs Inc Trimmed −11,792 −$4.21M 5.1%
Light & Wonder Inc Added +48,621 +$4.2M 2.3%
PH Post Hldgs Inc Added +34,825 +$3.99M 6.3%

Showing the 10 largest of 52 changes.

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