CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in WTTR — Select Water Solutions, Inc.

CIK 1081019 WEST SACRAMENTO, CA

Back to WTTR Full portfolio

Position in WTTR

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$1,635,065

+$735,206 QoQ

Shares Held

106,867

+24.9% QoQ

Ownership

0.077%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in WTTR Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $636,705,289 across 32 Oil & Gas Equipment & Services names. WTTR ranks #17 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SLB	Slb Limited/Nv	4,852,661	$249,378,248
2	BKR	Baker Hughes Co	3,072,684	$187,587,358
3	HAL	Halliburton Co	2,772,941	$108,116,969
4	FTI	TechnipFMC plc	470,339	$32,514,535
5	NOV	NOV Inc.	422,834	$7,953,507
6	WFRD	Weatherford International plc	83,567	$7,903,766
7	AROC	Archrock, Inc.	202,634	$7,051,663
8	KGS	Kodiak Gas Services, Inc.	100,396	$5,855,094

All Filings in WTTR

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,635,065	106,867	+24.9%	Shares	Sole	2026-05-18
2025-12-31	$899,859	85,538	+0.0%	Shares	Sole	2026-02-17
2025-09-30	$914,262	85,525	-1.0%	Shares	Sole	2025-11-14
2025-06-30	$746,539	86,405	0.0%	Shares	Sole	2025-08-14
2025-03-31	$907,252	86,405	0.0%	Shares	Sole	2025-05-15
2024-12-31	$1,144,002	86,405	-1.0%	Shares	Sole	2025-03-18
2024-09-30	$971,693	87,304	-2.5%	Shares	Sole	2025-04-04
2024-06-30	$958,013	89,534	-2.8%	Shares	Sole	2025-04-08
2024-03-31	$850,470	92,142	+0.4%	Shares	Sole	2024-05-16
2023-12-31	$696,291	91,738	-0.8%	Shares	Sole	2024-02-13
2023-09-30	$735,295	92,490	-8.8%	Shares	Sole	2023-11-14
2023-06-30	$821,129	101,374	+22.8%	Shares	Sole	2023-08-21
2023-03-31	$574,659	82,566	-1.7%	Shares	Sole	2023-05-09
2022-12-31	$775,910	83,973	+1.1%	Shares	Sole	2023-02-14
2022-09-30	$578,935	83,061	-2.3%	Shares	Sole	2022-11-21
2022-06-30	$579,863	85,024	+4.3%	Shares	Sole	2022-08-15
2022-03-31	$698,343	81,487	-7.0%	Shares	Sole	2022-05-16
2021-12-31	$545,667	87,587	+7.1%	Shares	Sole	2022-02-15
2021-09-30	$424,588	81,809	+0.8%	Shares	Sole	2021-11-15
2021-06-30	$490,290	81,174	-8.7%	Shares	Sole	2021-08-16
2021-03-31	$442,527	88,861	-0.7%	Shares	Sole	2021-05-18
2020-12-31	$366,954	89,501	0.0%	Shares	Sole	2021-02-16
2020-09-30	$343,683	89,501	0.0%	Shares	Sole	2020-11-17
2020-06-30	$438,554	89,501	0.0%	Shares	Sole	2020-08-17
2020-03-31	$289,088	89,501	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.