Stock Ownership/GFF

GRIFFON CORP (GFF): Ownership & Insider Activity

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

Reported Holders
18
13F filers
Aggregate Value
$258.4M
Across holders
Last Price
$101.38
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity11 increased7 reduced9 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Verition Fund Management LLC, Hudson Bay Capital Management LP, Lighthouse Investment Partners, LLC, BALYASNY ASSET MANAGEMENT LLC, Qube Research & Technologies Ltd, Magnetar Financial LLC, Man Group plc, Walleye Capital LLC
Institutional Holders of GFF
↗
18 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund509K$49.6M19.2%0.1%Reduced$-3.8MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager500K$48.8M18.9%0.4%Reduced$-547KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund473K$46.2M17.9%0.1%Reduced$-10.7MQ2 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager412K$40.2M15.6%0.0%Reduced$-502KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund197K$19.2M7.4%0.0%Added+$6.8MQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager170K$16.6M6.4%0.0%Added—Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund103K$10.1M3.9%0.0%Reduced$-4.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund91K$8.9M3.4%0.0%Added+$304KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund68K$6.6M2.6%0.0%Added+$3.8MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund36K$3.5M1.4%0.0%Added+$3.4MQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$49.6M· 19.2% of total· 0.1% port· 509K sh· $-3.8M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$48.8M· 18.9% of total· 0.4% port· 500K sh· $-547K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$46.2M· 17.9% of total· 0.1% port· 473K sh· $-10.7M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Reduced
Institutional Manager
$40.2M· 15.6% of total· 0.0% port· 412K sh· $-502K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$19.2M· 7.4% of total· 0.0% port· 197K sh· +$6.8M QoQ· Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$16.6M· 6.4% of total· 0.0% port· 170K sh· — QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$10.1M· 3.9% of total· 0.0% port· 103K sh· $-4.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$8.9M· 3.4% of total· 0.0% port· 91K sh· +$304K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$6.6M· 2.6% of total· 0.0% port· 68K sh· +$3.8M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$3.5M· 1.4% of total· 0.0% port· 36K sh· +$3.4M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$2.4M· 0.9% of total· 0.0% port· 25K sh· +$335K QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$1.8M· 0.7% of total· 0.0% port· 18K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$1.6M· 0.6% of total· 0.0% port· 16K sh· +$448K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$1.1M· 0.4% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$969K· 0.4% of total· 0.0% port· 10K sh· $-321K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$599K· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$239K· 0.1% of total· 0.0% port· 2K sh· $-237K QoQ· Q2 2026
Ancora Advisors, LLCAdded
Hedge Fund
$40K· 0.0% of total· 0.0% port· 410 sh· +$98 QoQ· Q2 2026
1–10 of 18
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