Stock Ownership/MSA

MSA SAFETY INC (MSA): Ownership & Insider Activity

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

Reported Holders
23
13F filers
Aggregate Value
$455.1M
Across holders
Last Price
$188.90
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity15 increased7 reduced6 exited
Full exits: BAILLIE GIFFORD & CO, Lighthouse Investment Partners, LLC, Qube Research & Technologies Ltd, Magnetar Financial LLC, First Eagle Investment Management, LLC, Walleye Capital LLC
Institutional Holders of MSA
↗
23 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Ruane, Cunniff & Goldfarb L.P.
CIK 0001720792
Hedge Fund1.72M$300.5M66.0%4.7%Reduced$-9.6MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund175K$30.6M6.7%0.1%Added+$17.6MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund158K$27.2M6.0%0.0%Added+$27.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund103K$18.0M4.0%0.0%Added+$11.1MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund90K$15.6M3.4%0.0%Added+$15.0MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund55K$9.6M2.1%0.0%Added+$9.1MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund47K$8.3M1.8%0.0%Reduced$-768KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund47K$8.1M1.8%0.0%Added+$7.6MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund45K$7.8M1.7%0.0%Reduced$-1.3MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund31K$5.4M1.2%0.0%Reduced+$1.6MQ2 2026
Ruane, Cunniff & Goldfarb L.P.Reduced
Hedge Fund
$300.5M· 66.0% of total· 4.7% port· 1.72M sh· $-9.6M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$30.6M· 6.7% of total· 0.1% port· 175K sh· +$17.6M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$27.2M· 6.0% of total· 0.0% port· 158K sh· +$27.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$18.0M· 4.0% of total· 0.0% port· 103K sh· +$11.1M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$15.6M· 3.4% of total· 0.0% port· 90K sh· +$15.0M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$9.6M· 2.1% of total· 0.0% port· 55K sh· +$9.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$8.3M· 1.8% of total· 0.0% port· 47K sh· $-768K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$8.1M· 1.8% of total· 0.0% port· 47K sh· +$7.6M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$7.8M· 1.7% of total· 0.0% port· 45K sh· $-1.3M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$5.4M· 1.2% of total· 0.0% port· 31K sh· +$1.6M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$4.9M· 1.1% of total· 0.0% port· 28K sh· +$1.7M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$4.6M· 1.0% of total· 0.0% port· 26K sh· +$1.2M QoQ· Q2 2026
ArrowMark Colorado Holdings LLCReduced
Hedge Fund
$3.5M· 0.8% of total· 0.1% port· 20K sh· $-8.4M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$3.3M· 0.7% of total· 0.0% port· 19K sh· +$3.0M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$2.5M· 0.5% of total· 0.0% port· 14K sh· +$2.0M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$1.0M· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$976K· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$699K· 0.2% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$629K· 0.1% of total· 0.0% port· 4K sh· +$42K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$613K· 0.1% of total· 0.0% port· 4K sh· $-211K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$550K· 0.1% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Ancora Advisors, LLCUnchanged
Hedge Fund
$419K· 0.1% of total· 0.0% port· 2K sh· +$314K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$296K· 0.1% of total· 0.0% port· 2K sh· $-585K QoQ· Q2 2026
1–10 of 23
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