D. E. Shaw & Co., Inc.

Position in WTTR — Select Water Solutions, Inc.

CIK 1009207 New York, NY

Position in WTTR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$9,457,692

+$8,780,545 QoQ

Shares Held

473,358

+969.5% QoQ

Ownership

0.342%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#50

of 264 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $380,915,849 across 31 Oil & Gas Equipment & Services names. WTTR ranks #10 (2.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PUMP	ProPetro Holding Corp.	6,034,264	$86,531,345
2	LBRT	Liberty Energy Inc.	2,108,368	$55,218,157
3	SLB	Slb Limited/Nv	660,468	$30,705,157
4	KGS	Kodiak Gas Services, Inc.	334,810	$25,154,275
5	TTI	Tetra Technologies Inc	2,136,547	$24,207,076
6	HAL	Halliburton Co	646,164	$21,937,267
7	NOV	NOV Inc.	963,102	$17,865,541
8	WFRD	Weatherford International plc	198,554	$16,182,151

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,457,692	473,358	+969.5%	Shares	Defined	2026-08-14
2026-03-31	$677,147	44,258	-70.8%	Shares	Defined	2026-05-15
2025-09-30	$1,622,560	151,783	+2.9%	Shares	Defined	2025-11-14
2025-06-30	$1,273,924	147,445	+143.9%	Shares	Defined	2025-08-14
2023-03-31	$420,745	60,452	-52.6%	Shares	Defined	2023-05-15
2022-12-31	$1,179,615	127,664	-39.9%	Shares	Defined	2023-02-14
2022-09-30	$1,481,738	212,588	-9.3%	Shares	Defined	2022-11-14
2022-06-30	$1,599,078	234,469	-17.9%	Shares	Defined	2022-08-15
2022-03-31	$2,446,794	285,507	+1019.7%	Shares	Defined	2022-05-16
2021-09-30	$132,339	25,499	-21.7%	Shares	Defined	2021-11-15
2021-06-30	$196,740	32,573	-61.6%	Shares	Defined	2021-08-16
2021-03-31	$422,438	84,827	+120.1%	Shares	Defined	2021-05-17
2020-12-31	$157,989	38,534	+129.2%	Shares	Defined	2021-02-16
2020-03-31	$54,296	16,810	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.