Stock Ownership/FIBK

FIRST INTST BANCSYSTEM INC (FIBK): Ownership & Insider Activity

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

Reported Holders
16
13F filers
Aggregate Value
$100.8M
Across holders
Last Price
$37.24
2026-08-24
Sector
Financials
GICS
Quarterly fund activity11 increased5 reduced5 exited
Full exits: GAMCO INVESTORS, INC. ET AL, Verition Fund Management LLC, BALYASNY ASSET MANAGEMENT LLC, MARSHALL WACE, LLP, TWEEDY BROWNE CO LLC//
Institutional Holders of FIBK
↗
16 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund639K$24.6M24.4%0.0%Reduced$-5.5MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund463K$17.9M17.7%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund397K$15.3M15.2%0.0%Added+$10.8MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager266K$10.2M10.2%0.0%Reduced$-16KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund195K$7.5M7.5%0.0%Added+$6.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund175K$6.8M6.7%0.0%Added+$3.2MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund125K$4.8M4.8%0.0%Added+$140KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund96K$3.7M3.7%0.0%Added—Q2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund73K$2.8M2.8%0.0%Added—Q2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund61K$2.4M2.3%0.0%Added—Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$24.6M· 24.4% of total· 0.0% port· 639K sh· $-5.5M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$17.9M· 17.7% of total· 0.0% port· 463K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$15.3M· 15.2% of total· 0.0% port· 397K sh· +$10.8M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$10.2M· 10.2% of total· 0.0% port· 266K sh· $-16K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$7.5M· 7.5% of total· 0.0% port· 195K sh· +$6.1M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$6.8M· 6.7% of total· 0.0% port· 175K sh· +$3.2M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$4.8M· 4.8% of total· 0.0% port· 125K sh· +$140K QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$3.7M· 3.7% of total· 0.0% port· 96K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$2.8M· 2.8% of total· 0.0% port· 73K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$2.4M· 2.3% of total· 0.0% port· 61K sh· — QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$2.0M· 1.9% of total· 0.0% port· 51K sh· $-550K QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$1.7M· 1.7% of total· 0.0% port· 45K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$829K· 0.8% of total· 0.0% port· 21K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCReduced
Hedge Fund
$276K· 0.3% of total· 0.0% port· 7K sh· $-712K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$78K· 0.1% of total· 0.0% port· 2K sh· $-117K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$14K· 0.0% of total· 0.0% port· 352 sh· — QoQ· Q2 2026
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