Stock Ownership/AIZ

ASSURANT INC (AIZ): Ownership & Insider Activity

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

Reported Holders
23
13F filers
Aggregate Value
$815.1M
Across holders
Last Price
$287.81
2026-08-24
Sector
Financials
GICS
Quarterly fund activity9 increased14 reduced1 exited
Full exits: CAPSTONE INVESTMENT ADVISORS, LLC
Institutional Holders of AIZ
↗
23 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund477K$128.1M15.7%0.1%Added+$85.4MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund466K$125.1M15.3%0.1%Reduced$-5.6MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund391K$104.9M12.9%0.3%Added+$9.1MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund328K$87.9M10.8%0.4%Reduced$-55.9MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund240K$64.5M7.9%0.0%Added+$55.0MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund184K$49.4M6.1%0.1%Reduced$-43.1MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund182K$48.8M6.0%0.0%Reduced+$48.6MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund146K$39.2M4.8%0.0%Reduced$-30.5MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund140K$37.5M4.6%0.1%Added+$10.4MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund133K$35.8M4.4%0.0%Added+$24.4MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$128.1M· 15.7% of total· 0.1% port· 477K sh· +$85.4M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$125.1M· 15.3% of total· 0.1% port· 466K sh· $-5.6M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$104.9M· 12.9% of total· 0.3% port· 391K sh· +$9.1M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$87.9M· 10.8% of total· 0.4% port· 328K sh· $-55.9M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$64.5M· 7.9% of total· 0.0% port· 240K sh· +$55.0M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$49.4M· 6.1% of total· 0.1% port· 184K sh· $-43.1M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$48.8M· 6.0% of total· 0.0% port· 182K sh· +$48.6M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$39.2M· 4.8% of total· 0.0% port· 146K sh· $-30.5M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$37.5M· 4.6% of total· 0.1% port· 140K sh· +$10.4M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$35.8M· 4.4% of total· 0.0% port· 133K sh· +$24.4M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$21.9M· 2.7% of total· 0.0% port· 82K sh· +$8.6M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$21.3M· 2.6% of total· 0.0% port· 79K sh· +$5.1M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$17.3M· 2.1% of total· 0.1% port· 64K sh· $-3.5M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$9.3M· 1.1% of total· 0.0% port· 35K sh· +$6.9M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$7.3M· 0.9% of total· 0.0% port· 27K sh· $-4.9M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$5.7M· 0.7% of total· 0.0% port· 21K sh· +$3.7M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$3.8M· 0.5% of total· 0.0% port· 14K sh· +$3.4M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$1.8M· 0.2% of total· 0.0% port· 7K sh· $-6.4M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.6M· 0.2% of total· 0.0% port· 6K sh· +$532K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 4K sh· $-6.2M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 4K sh· $-241K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$818K· 0.1% of total· 0.0% port· 3K sh· $-1.3M QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$532K· 0.1% of total· 0.0% port· 2K sh· $-521K QoQ· Q3 2025
1–10 of 23
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