CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in PRLB — Proto Labs Inc

CIK 1081019 WEST SACRAMENTO, CA

Position in PRLB

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

Position Value

$1,309,578

+$138,724 QoQ

Shares Held

22,967

-0.8% QoQ

Ownership

0.096%

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%

Industrials · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $82,042,814 across 12 Metal Fabrication names. PRLB ranks #8 (1.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	157,761	$22,947,915
2	CRS	Carpenter Technology Corp	57,662	$22,727,477
3	MLI	Mueller Industries Inc	248,418	$13,762,357
4	CMC	COMMERCIAL METALS Co	133,808	$8,219,825
5	ESAB	ESAB Corp	67,358	$6,510,824
6	GPGI	GPGI, Inc.	219,467	$3,752,885
7	WOR	Worthington Enterprises, Inc.	29,871	$1,557,473
8	PRLB	Proto Labs Inc This page	22,967	$1,309,578

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,309,578	22,967	-0.8%	Shares	Sole	2026-05-18
2025-12-31	$1,170,854	23,144	-0.1%	Shares	Sole	2026-02-17
2025-09-30	$1,158,944	23,165	+0.0%	Shares	Sole	2025-11-14
2025-06-30	$927,486	23,164	-1.6%	Shares	Sole	2025-08-14
2025-03-31	$824,736	23,537	0.0%	Shares	Sole	2025-05-15
2024-12-31	$920,061	23,537	-1.8%	Shares	Sole	2025-03-18
2024-09-30	$703,646	23,958	-4.5%	Shares	Sole	2025-04-04
2024-06-30	$774,844	25,084	-2.8%	Shares	Sole	2025-04-08
2024-03-31	$922,493	25,804	-6.4%	Shares	Sole	2024-05-16
2023-12-31	$1,074,516	27,580	-4.8%	Shares	Sole	2024-02-13
2023-09-30	$764,887	28,973	-9.0%	Shares	Sole	2023-11-14
2023-06-30	$1,112,741	31,829	-6.2%	Shares	Sole	2023-08-21
2023-03-31	$1,124,348	33,917	-2.4%	Shares	Sole	2023-05-09
2022-12-31	$886,861	34,738	+0.6%	Shares	Sole	2023-02-14
2022-09-30	$1,258,037	34,533	-2.0%	Shares	Sole	2022-11-21
2022-06-30	$1,686,264	35,248	-0.9%	Shares	Sole	2022-08-15
2022-03-31	$1,881,124	35,560	-8.0%	Shares	Sole	2022-05-16
2021-12-31	$1,984,934	38,655	+2.6%	Shares	Sole	2022-02-15
2021-09-30	$2,509,554	37,681	-1.6%	Shares	Sole	2021-11-15
2021-06-30	$3,514,471	38,284	-5.1%	Shares	Sole	2021-08-16
2021-03-31	$4,910,664	40,334	-0.3%	Shares	Sole	2021-05-18
2020-12-31	$6,207,024	40,463	+0.0%	Shares	Sole	2021-02-16
2020-09-30	$5,238,793	40,454	+0.3%	Shares	Sole	2020-11-17
2020-06-30	$4,534,452	40,317	-1.7%	Shares	Sole	2020-08-17
2020-03-31	$3,121,101	40,997	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.