IDEX CORP (IEX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in IEX · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
26
13F filers
Aggregate Value
$2.7B
Across holders
Last Price
$233.69
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity13 increased13 reduced4 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, CAXTON ASSOCIATES LLP, Lighthouse Investment Partners, LLC, Brevan Howard Capital Management LP
Institutional Holders of IEX
26 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager3.30M$749.0M27.8%0.4%Reduced$-650KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund2.37M$537.8M20.0%0.2%Added+$84.9MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund906K$205.6M7.6%0.2%Added+$17.0MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund847K$192.1M7.1%0.2%Added+$6.9MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager749K$169.9M6.3%0.1%Added+$9.2MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund717K$162.7M6.0%0.1%Added+$3.9MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund706K$160.3M5.9%0.0%Reduced+$149.3MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund491K$111.5M4.1%0.1%Reduced$-1.5MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund394K$89.4M3.3%0.1%Added+$74.2MQ2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund292K$66.2M2.5%0.2%Reduced$-28.1MQ2 2026
PRIMECAP MANAGEMENT CO/CA/Reduced
Institutional Manager
$749.0M· 27.8% of total· 0.4% port· 3.30M sh· $-650K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$537.8M· 20.0% of total· 0.2% port· 2.37M sh· +$84.9M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$205.6M· 7.6% of total· 0.2% port· 906K sh· +$17.0M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$192.1M· 7.1% of total· 0.2% port· 847K sh· +$6.9M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$169.9M· 6.3% of total· 0.1% port· 749K sh· +$9.2M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$162.7M· 6.0% of total· 0.1% port· 717K sh· +$3.9M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$160.3M· 5.9% of total· 0.0% port· 706K sh· +$149.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$111.5M· 4.1% of total· 0.1% port· 491K sh· $-1.5M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$89.4M· 3.3% of total· 0.1% port· 394K sh· +$74.2M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$66.2M· 2.5% of total· 0.2% port· 292K sh· $-28.1M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$58.2M· 2.2% of total· 0.0% port· 257K sh· +$58.0M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$57.3M· 2.1% of total· 0.1% port· 252K sh· $-549K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$42.1M· 1.6% of total· 0.1% port· 185K sh· +$22.9M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$35.3M· 1.3% of total· 0.3% port· 156K sh· $-227K QoQ· Q2 2026
Davidson Kempner Capital Management LPAdded
Hedge Fund
$22.7M· 0.8% of total· 0.3% port· 100K sh· +$10.2M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$13.8M· 0.5% of total· 0.0% port· 61K sh· +$3.0M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$6.0M· 0.2% of total· 0.0% port· 26K sh· +$1.1M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$5.2M· 0.2% of total· 0.0% port· 23K sh· $-3.6M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$3.0M· 0.1% of total· 0.0% port· 13K sh· +$2.0M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$2.8M· 0.1% of total· 0.0% port· 12K sh· +$1.2M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$1.5M· 0.1% of total· 0.0% port· 7K sh· $-3.2M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$810K· 0.0% of total· 0.0% port· 4K sh· $-491K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$805K· 0.0% of total· 0.0% port· 4K sh· $-11.2M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$742K· 0.0% of total· 0.0% port· 3K sh· $-12.3M QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$550K· 0.0% of total· 0.0% port· 2K sh· QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$262K· 0.0% of total· 0.0% port· 1K sh· $-8K QoQ· Q2 2026
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