Select Water Solutions, Inc.

WTTR

Exchange: NYSE
Industry: Oil & Gas Field Services, NEC
SEC CIK: 0001693256

SEC filings (opens in a new tab)

No open-market purchases or sales by Select Water Solutions, Inc. insiders were filed in the last 90 days; 266 institutions reported holding it in 13F filings for Q2 2026, worth $2.41B in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Select Water Solutions, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of WTTR: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	256	2	266	+12
Shares	117.1M	66.8K	121.4M	+4.35M (+3.7%)
Value	$1.78B	$1.02M	$2.41B	+$635.8M (+35.8%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held Select Water Solutions, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to WTTR in Q2 2026
Institution	Shares	Value	% of portfolio
Driehaus Capital Management LLC	1,161,973	$23.2M	0.13%
Silvercrest Asset Management Group LLC	902,038	$18.0M	0.12%
Yaupon Capital Management LP	331,852	$6.63M	0.22%
Marshall Wace, LLP	294,343	$5.88M	0.00%
Jennison Associates LLC	293,342	$5.86M	0.00%
Asset Management One Co.,Ltd.	267,120	$5.34M	0.01%
EAM Investors, LLC	250,180	$5.00M	0.45%
Credit Agricole S A	235,000	$4.70M	0.01%
Clough Capital Partners L P	159,871	$3.19M	0.26%
Treasurer of the State of North Carolina	128,184	$2.56M	0.01%
XTX Topco Ltd	60,817	$1.22M	0.02%
Sigma Planning Corp	60,290	$1.20M	0.03%
Jain Global LLC	57,945	$1.16M	0.01%
EntryPoint Capital, LLC	51,832	$1.04M	0.25%
VARCOV Co.	48,158	$962.2K	0.37%
Jane Street Group, LLC	46,639	$931.8K	0.00%
Jupiter Topco LLC	45,569	$910.7K	0.00%
Vise Technologies, Inc.	37,259	$744.4K	0.01%
Atomi Financial Group, Inc.	32,494	$649.2K	0.02%
Jump Financial, LLC	25,459	$508.7K	0.00%
Truist Financial Corp	25,145	$502.4K	0.00%
Graham Capital Management, L.P.	22,471	$449.0K	0.01%
Wealth Enhancement Advisory Services, LLC	21,907	$421.7K	0.00%
IMC-Chicago, LLC	18,527	$370.2K	0.00%
Harbour Capital Advisors, LLC	18,750	$360.9K	0.07%
Lighthouse Investment Partners, LLC	16,975	$339.2K	0.01%
Harvest Investment Services, LLC	12,150	$242.8K	0.04%
Captrust Financial Advisors	11,819	$236.1K	0.00%
Inceptionr LLC	11,467	$229.1K	0.06%
Xponance, Inc.	11,281	$225.4K	0.00%
Cambridge Investment Research Advisors, Inc.	10,665	$213.0K	0.00%
Capstone Investment Advisors, LLC	10,219	$204.2K	0.00%
Horizon Kinetics Asset Management LLC	10,000	$199.8K	0.00%
Nykredit A/S	3,127	$62.5K	0.00%
Global Retirement Partners, LLC	1,411	$28.2K	0.00%
USA Financial Formulas	968	$19.3K	0.00%
Transamerica Financial Advisors, Inc.	310	$6.20K	0.00%
Ameritas Advisory Services, LLC	196	$3.92K	0.00%
Silver Grove Financial Group, Inc.	112	$2.24K	0.00%
Clearstead Advisors, LLC	25	$500	0.00%

Sold out (28)

Institutions that held Select Water Solutions, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of WTTR in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Encompass Capital Advisors LLC	3,085,249	$47.2M
Burkehill Global Management, LP	650,000	$9.95M
Aventail Capital Group, LP	336,022	$5.14M
Covalis Capital LLP	100,000	$1.53M
Lombard Odier Asset Management (USA) Corp	96,870	$1.48M
Balyasny Asset Management LLC	80,563	$1.23M
Millennium Management LLC	80,237	$1.23M
Dynamic Technology Lab Private Ltd	55,566	$894.5K
Aster Capital Management (DIFC) Ltd	82,094	$862.0K
Gallo Partners, LP	51,089	$781.7K
Campbell & CO Investment Adviser LLC	42,641	$652.4K
Healthcare of Ontario Pension Plan Trust Fund	39,314	$601.5K
Walleye Capital LLC	35,400	$541.6K
Freestone Grove Partners LP	18,619	$284.9K
Alpine Woods Capital Investors, LLC	15,197	$232.5K
Boston Partners	15,036	$230.1K
Oppenheimer Asset Management Inc.	13,022	$199.2K
Hudson Bay Capital Management LP	11,220	$171.7K
Omers Administration Corp	10,700	$163.7K
State of Wyoming	913	$14.0K
Group One Trading, L.P.	587	$8.98K
Quarry LP	450	$6.88K
Twin Peaks Wealth Advisors, LLC	124	$1.90K
Root Financial Partners, LLC	94	$1.44K
Quadrant Capital Group LLC	85	$1.30K
Rachor Investment Advisory Services, LLC	44	$674
MAI Capital Management	15	$230
Strategic Investment Solutions, Inc.	0	$153

Not filed for Q2 2026 yet (2)

Institutions that held Select Water Solutions, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding WTTR in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Janus Henderson Group PLC	45,343	$694.0K
CWM, LLC	21,411	$327.6K