Stock Ownership/CMP

COMPASS MINERALS INTL INC (CMP): Ownership & Insider Activity

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

Reported Holders
15
13F filers
Aggregate Value
$57.7M
Across holders
Last Price
$24.50
2026-08-24
Sector
Materials
GICS
Quarterly fund activity9 increased5 reduced2 exited
Full exits: BALYASNY ASSET MANAGEMENT LLC, CITADEL ADVISORS LLC
Institutional Holders of CMP
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund637K$19.8M34.4%0.0%Added+$19.8MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund475K$14.8M25.6%0.0%Added+$12.7MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund177K$5.5M9.6%0.0%Added+$2.5MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund164K$5.1M8.9%0.0%Added+$704KQ2 2026
Lighthouse Investment Partners, LLC
CIK 0001600344
Hedge Fund98K$3.0M5.3%0.1%Added$-692KQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund67K$2.1M3.6%0.0%Added+$656KQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund57K$1.8M3.1%0.0%Reduced$-1.5MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund49K$1.5M2.6%0.0%Reduced$-3.5MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund36K$1.1M2.0%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund34K$1.0M1.8%0.0%Reduced$-71KQ2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$19.8M· 34.4% of total· 0.0% port· 637K sh· +$19.8M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$14.8M· 25.6% of total· 0.0% port· 475K sh· +$12.7M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$5.5M· 9.6% of total· 0.0% port· 177K sh· +$2.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$5.1M· 8.9% of total· 0.0% port· 164K sh· +$704K QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$3.0M· 5.3% of total· 0.1% port· 98K sh· $-692K QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$2.1M· 3.6% of total· 0.0% port· 67K sh· +$656K QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$1.8M· 3.1% of total· 0.0% port· 57K sh· $-1.5M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$1.5M· 2.6% of total· 0.0% port· 49K sh· $-3.5M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$1.1M· 2.0% of total· 0.0% port· 36K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$1.0M· 1.8% of total· 0.0% port· 34K sh· $-71K QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$716K· 1.2% of total· 0.0% port· 23K sh· +$32K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$489K· 0.8% of total· 0.0% port· 16K sh· $-4.9M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$346K· 0.6% of total· 0.0% port· 11K sh· $-1.5M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$274K· 0.5% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$6K· 0.0% of total· 0.0% port· 203 sh· +$0 QoQ· Q2 2026
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