Cactus Inc (WHD): Ownership & Insider Activity

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

Reported Holders
18
13F filers
Aggregate Value
$179.2M
Across holders
Last Price
$68.05
2026-08-24
Sector
Energy
GICS
Quarterly fund activity10 increased7 reduced3 exited
Full exits: BALYASNY ASSET MANAGEMENT LLC, Qube Research & Technologies Ltd, Gotham Asset Management, LLC
Institutional Holders of WHD
18 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund1.75M$89.9M50.1%0.1%Added+$6.4MQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager382K$19.6M10.9%0.0%Added+$297KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund370K$18.9M10.6%0.0%Added+$9.7MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund301K$15.4M8.6%0.1%Added+$15.0MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund133K$6.8M3.8%0.0%AddedQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund122K$6.2M3.5%0.0%Reduced$-34.6MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund90K$4.6M2.6%0.0%Added+$4.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund88K$4.5M2.5%0.0%Reduced+$3.0MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund68K$3.5M2.0%0.0%Added+$2.8MQ2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund66K$3.4M1.9%0.0%Added+$2.7MQ2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$89.9M· 50.1% of total· 0.1% port· 1.75M sh· +$6.4M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$19.6M· 10.9% of total· 0.0% port· 382K sh· +$297K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$18.9M· 10.6% of total· 0.0% port· 370K sh· +$9.7M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$15.4M· 8.6% of total· 0.1% port· 301K sh· +$15.0M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$6.8M· 3.8% of total· 0.0% port· 133K sh· QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$6.2M· 3.5% of total· 0.0% port· 122K sh· $-34.6M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$4.6M· 2.6% of total· 0.0% port· 90K sh· +$4.6M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$4.5M· 2.5% of total· 0.0% port· 88K sh· +$3.0M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$3.5M· 2.0% of total· 0.0% port· 68K sh· +$2.8M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$3.4M· 1.9% of total· 0.0% port· 66K sh· +$2.7M QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$2.5M· 1.4% of total· 0.3% port· 51K sh· $-8.5M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$2.1M· 1.2% of total· 0.0% port· 41K sh· +$498K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$534K· 0.3% of total· 0.0% port· 10K sh· +$0 QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$507K· 0.3% of total· 0.0% port· 10K sh· QoQ· Q2 2026
Magnetar Financial LLCReduced
Hedge Fund
$415K· 0.2% of total· 0.0% port· 8K sh· $-237K QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$281K· 0.2% of total· 0.0% port· 5K sh· $-929K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$66K· 0.0% of total· 0.0% port· 1K sh· +$6K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$3K· 0.0% of total· 0.0% port· 67 sh· $-186K QoQ· Q2 2026
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