SELECT WATER SOLUTIONS INC (WTTR): Ownership & Insider Activity

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

Reported Holders
14
13F filers
Aggregate Value
$45.9M
Across holders
Last Price
$20.06
2026-09-04
Sector
Energy
GICS
Quarterly fund activity9 increased4 reduced4 exited
Full exits: Hudson Bay Capital Management LP, BALYASNY ASSET MANAGEMENT LLC, MILLENNIUM MANAGEMENT LLC, Walleye Capital LLC
Institutional Holders of WTTR
14 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund617K$12.3M26.9%0.0%Added+$9.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund473K$9.5M20.6%0.0%Added+$8.6MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund296K$5.9M12.9%0.0%Added+$5.9MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund294K$5.9M12.8%0.0%AddedQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund193K$3.9M8.4%0.0%Reduced$-4.2MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund141K$2.8M6.1%0.0%Reduced$-1.7MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund140K$2.8M6.1%0.0%Added+$2.8MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager46K$921K2.0%0.0%Added+$50KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund38K$766K1.7%0.0%Reduced$-169KQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund19K$370K0.8%0.0%AddedQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$12.3M· 26.9% of total· 0.0% port· 617K sh· +$9.0M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$9.5M· 20.6% of total· 0.0% port· 473K sh· +$8.6M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$5.9M· 12.9% of total· 0.0% port· 296K sh· +$5.9M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$5.9M· 12.8% of total· 0.0% port· 294K sh· QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$3.9M· 8.4% of total· 0.0% port· 193K sh· $-4.2M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$2.8M· 6.1% of total· 0.0% port· 141K sh· $-1.7M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.8M· 6.1% of total· 0.0% port· 140K sh· +$2.8M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALAdded
Institutional Manager
$921K· 2.0% of total· 0.0% port· 46K sh· +$50K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$766K· 1.7% of total· 0.0% port· 38K sh· $-169K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$370K· 0.8% of total· 0.0% port· 19K sh· QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$339K· 0.7% of total· 0.0% port· 17K sh· QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$214K· 0.5% of total· 0.0% port· 11K sh· $-1.1M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$204K· 0.4% of total· 0.0% port· 10K sh· QoQ· Q2 2026
Ancora Advisors, LLCAdded
Hedge Fund
$4K· 0.0% of total· 0.0% port· 180 sh· +$3K QoQ· Q2 2026
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