CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in PLAB — Photronics Inc

CIK 1081019 WEST SACRAMENTO, CA

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Position in PLAB

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

Position Value

$2,807,848

+$1,011,144 QoQ

Shares Held

69,484

+23.8% QoQ

Ownership

0.118%

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.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in PLAB Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,050,715,177 across 21 Semiconductor Equipment & Materials names. PLAB ranks #15 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	1,224,298	$418,452,813
2	LRCX	Lam Research Corp	1,922,942	$410,855,787
3	TER	Teradyne, Inc	248,462	$73,659,044
4	Q	Qnity Electronics, Inc.	264,442	$30,511,317
5	KLAC	Kla Corp	200,858	$29,574,532
6	ENTG	Entegris Inc	236,045	$27,673,915
7	ONTO	Onto Innovation Inc.	56,775	$11,642,849
8	FORM	Formfactor Inc	89,629	$8,693,116

All Filings in PLAB

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,807,848	69,484	+23.8%	Shares	Sole	2026-05-18
2025-12-31	$1,796,704	56,147	+5.6%	Shares	Sole	2026-02-17
2025-09-30	$1,220,412	53,177	-9.0%	Shares	Sole	2025-11-14
2025-06-30	$1,100,425	58,440	-1.1%	Shares	Sole	2025-08-14
2025-03-31	$1,227,165	59,112	0.0%	Shares	Sole	2025-05-15
2024-12-31	$1,392,678	59,112	-1.2%	Shares	Sole	2025-03-18
2024-09-30	$1,481,242	59,824	-3.1%	Shares	Sole	2025-04-04
2024-06-30	$1,522,459	61,713	-1.5%	Shares	Sole	2025-04-08
2024-03-31	$1,773,483	62,623	-5.0%	Shares	Sole	2024-05-16
2023-12-31	$2,068,318	65,933	-4.1%	Shares	Sole	2024-02-13
2023-09-30	$1,388,992	68,728	-8.7%	Shares	Sole	2023-11-14
2023-06-30	$1,941,883	75,296	-1.5%	Shares	Sole	2023-08-21
2023-03-31	$1,268,005	76,478	-1.3%	Shares	Sole	2023-05-09
2022-12-31	$1,303,584	77,456	+0.9%	Shares	Sole	2023-02-14
2022-09-30	$1,122,655	76,789	-1.9%	Shares	Sole	2022-11-21
2022-06-30	$1,524,563	78,263	+0.3%	Shares	Sole	2022-08-15
2022-03-31	$1,323,575	77,995	-8.0%	Shares	Sole	2022-05-16
2021-12-31	$1,598,121	84,781	+0.1%	Shares	Sole	2022-02-15
2021-09-30	$1,153,983	84,665	-0.2%	Shares	Sole	2021-11-15
2021-06-30	$1,120,894	84,852	-9.4%	Shares	Sole	2021-08-16
2021-03-31	$1,203,863	93,613	-1.8%	Shares	Sole	2021-05-18
2020-12-31	$1,063,949	95,336	0.0%	Shares	Sole	2021-02-16
2020-09-30	$949,546	95,336	0.0%	Shares	Sole	2020-11-17
2020-06-30	$1,061,089	95,336	-3.2%	Shares	Sole	2020-08-17
2020-03-31	$1,010,671	98,506	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.