CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in MKSI — Mks Inc

CIK 1081019 WEST SACRAMENTO, CA

Back to MKSI Full portfolio

Position in MKSI

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

Position Value

$17,864,050

+$7,660,181 QoQ

Shares Held

77,734

+21.7% QoQ

Ownership

0.115%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MKSI Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $358,323,864 across 17 Scientific & Technical Instruments names. MKSI ranks #7 (5.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KEYS	Keysight Technologies, Inc.	270,127	$76,275,760
2	GRMN	Garmin Ltd	256,878	$59,598,264
3	TDY	Teledyne Technologies Inc	81,145	$49,093,536
4	COHR	Coherent Corp.	181,242	$43,173,656
5	FTV	Fortive Corp	695,920	$38,470,457
6	TRMB	Trimble Inc.	428,439	$27,947,075
7	MKSI	Mks Inc This page	77,734	$17,864,050
8	CGNX	Cognex Corp	193,978	$9,502,982

All Filings in MKSI

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$17,864,050	77,734	+21.7%	Shares	Sole	2026-05-18
2025-12-31	$10,203,869	63,854	+2.6%	Shares	Sole	2026-02-17
2025-09-30	$7,701,216	62,222	+0.0%	Shares	Sole	2025-11-14
2025-06-30	$6,182,079	62,219	0.0%	Shares	Sole	2025-08-14
2025-03-31	$4,986,852	62,219	-1.1%	Shares	Sole	2025-05-15
2024-12-31	$6,569,262	62,930	-1.5%	Shares	Sole	2025-03-18
2024-09-30	$6,946,460	63,899	-2.8%	Shares	Sole	2025-04-04
2024-06-30	$8,587,593	65,765	+2.2%	Shares	Sole	2025-04-08
2024-03-31	$8,557,486	64,342	-5.5%	Shares	Sole	2024-05-16
2023-12-31	$7,007,504	68,120	-0.2%	Shares	Sole	2024-02-13
2023-09-30	$5,906,528	68,252	-9.5%	Shares	Sole	2023-11-14
2023-06-30	$8,150,956	75,402	+1.4%	Shares	Sole	2023-08-21
2023-03-31	$6,588,276	74,343	-1.4%	Shares	Sole	2023-05-09
2022-12-31	$6,385,676	75,365	+1.3%	Shares	Sole	2023-02-14
2022-09-30	$6,149,407	74,412	+4.1%	Shares	Sole	2022-11-21
2022-06-30	$7,332,810	71,449	+0.3%	Shares	Sole	2022-08-15
2022-03-31	$10,688,700	71,258	-23.8%	Shares	Sole	2022-05-16
2021-09-30	$14,112,952	93,519	-2.5%	Shares	Sole	2021-11-15
2021-06-30	$17,064,337	95,894	-1.3%	Shares	Sole	2021-08-16
2021-03-31	$18,012,625	97,145	-0.5%	Shares	Sole	2021-05-18
2020-12-31	$14,690,238	97,642	+2.1%	Shares	Sole	2021-02-16
2020-09-30	$10,448,941	95,660	-2.6%	Shares	Sole	2020-11-17
2020-06-30	$11,124,131	98,235	+9.2%	Shares	Sole	2020-08-17
2020-03-31	$7,325,368	89,937	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.