CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in ATKR — Atkore Inc.

CIK 1081019 WEST SACRAMENTO, CA

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Position in ATKR

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

Position Value

$2,338,903

+$322,873 QoQ

Shares Held

39,703

+24.6% 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% Shared 0% None 0%

Common Shares in ATKR Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $299,903,581 across 20 Electrical Equipment & Parts names. ATKR ranks #12 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRT	Vertiv Holdings Co	556,351	$139,410,433
2	BE	Bloom Energy Corp	310,859	$42,118,285
3	HUBB	Hubbell Inc	81,936	$40,209,272
4	NVT	nVent Electric plc	186,277	$22,032,843
5	AEIS	Advanced Energy Industries Inc	44,309	$14,298,957
6	AYI	Acuity Inc. (De)	35,507	$9,949,771
7	ENS	EnerSys	43,737	$7,597,991
8	POWL	Powell Industries Inc	11,271	$6,098,512

All Filings in ATKR

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,338,903	39,703	+24.6%	Shares	Sole	2026-05-18
2025-12-31	$2,016,030	31,874	+2.4%	Shares	Sole	2026-02-17
2025-09-30	$1,952,594	31,122	-5.9%	Shares	Sole	2025-11-14
2025-06-30	$2,332,876	33,067	+0.7%	Shares	Sole	2025-08-14
2025-03-31	$1,970,851	32,853	-2.1%	Shares	Sole	2025-05-15
2024-12-31	$2,799,246	33,544	-2.7%	Shares	Sole	2025-03-18
2024-09-30	$2,922,089	34,483	-3.9%	Shares	Sole	2025-04-04
2024-06-30	$4,840,208	35,872	-3.6%	Shares	Sole	2025-04-08
2024-03-31	$7,081,582	37,201	-7.0%	Shares	Sole	2024-05-16
2023-12-31	$6,396,960	39,981	-6.2%	Shares	Sole	2024-02-13
2023-09-30	$6,361,163	42,638	-11.1%	Shares	Sole	2023-11-14
2023-06-30	$7,476,387	47,944	-3.2%	Shares	Sole	2023-08-21
2023-03-31	$6,961,345	49,554	-5.4%	Shares	Sole	2023-05-09
2022-12-31	$5,944,228	52,409	-1.8%	Shares	Sole	2023-02-14
2022-09-30	$4,153,342	53,378	-5.9%	Shares	Sole	2022-11-21
2022-06-30	$4,709,489	56,734	-2.9%	Shares	Sole	2022-08-15
2022-03-31	$5,752,833	58,440	-8.9%	Shares	Sole	2022-05-16
2021-12-31	$7,131,393	64,137	+1.2%	Shares	Sole	2022-02-15
2021-09-30	$5,506,816	63,355	-2.2%	Shares	Sole	2021-11-15
2021-06-30	$4,599,167	64,777	-8.2%	Shares	Sole	2021-08-16
2021-03-31	$5,073,695	70,566	-1.5%	Shares	Sole	2021-05-18
2020-12-31	$2,944,051	71,614	-0.8%	Shares	Sole	2021-02-16
2020-09-30	$1,640,105	72,156	0.0%	Shares	Sole	2020-11-17
2020-06-30	$1,973,466	72,156	0.0%	Shares	Sole	2020-08-17
2020-03-31	$1,520,326	72,156	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.