CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in ATR — Aptargroup, Inc.

CIK 1081019 WEST SACRAMENTO, CA

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Position in ATR

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

Position Value

$9,732,146

+$2,162,211 QoQ

Shares Held

77,227

+24.4% QoQ

Ownership

0.121%

of shares outstanding

% of Portfolio

0.01%

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 ATR Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $548,060,005 across 34 Medical Instruments & Supplies names. ATR ranks #10 (1.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	539,288	$248,606,375
2	BDX	Becton Dickinson & Co	473,355	$74,425,606
3	RMD	Resmed Inc	222,621	$49,973,962
4	HOLX	HOLOGIC INC	385,252	$29,121,198
5	WST	West Pharmaceutical Services Inc	110,634	$27,729,305
6	COO	Cooper Companies, Inc.	313,784	$22,435,556
7	SOLV	Solventum Corp	239,152	$15,616,625
8	ALGN	Align Technology Inc	79,293	$13,593,198

All Filings in ATR

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$9,732,146	77,227	+24.4%	Shares	Sole	2026-05-18
2025-12-31	$7,569,935	62,069	-0.1%	Shares	Sole	2026-02-17
2025-09-30	$8,306,033	62,143	-1.3%	Shares	Sole	2025-11-14
2025-06-30	$9,847,268	62,950	0.0%	Shares	Sole	2025-08-14
2025-03-31	$9,340,521	62,950	+1.4%	Shares	Sole	2025-05-15
2024-12-31	$9,754,496	62,091	-1.4%	Shares	Sole	2025-03-18
2024-09-30	$10,088,445	62,978	-2.9%	Shares	Sole	2025-04-04
2024-06-30	$9,133,781	64,866	-1.9%	Shares	Sole	2025-04-08
2024-03-31	$9,511,992	66,106	-5.0%	Shares	Sole	2024-05-16
2023-12-31	$8,606,424	69,620	-4.4%	Shares	Sole	2024-02-13
2023-09-30	$9,103,162	72,802	-8.8%	Shares	Sole	2023-11-14
2023-06-30	$9,244,932	79,794	-7.2%	Shares	Sole	2023-08-21
2023-03-31	$10,162,330	85,983	-1.4%	Shares	Sole	2023-05-09
2022-12-31	$9,595,315	87,246	+0.9%	Shares	Sole	2023-02-14
2022-09-30	$8,219,334	86,492	-1.8%	Shares	Sole	2022-11-21
2022-06-30	$9,090,633	88,079	-0.1%	Shares	Sole	2022-08-15
2022-03-31	$10,363,852	88,203	-7.7%	Shares	Sole	2022-05-16
2021-12-31	$11,708,108	95,592	-16.2%	Shares	Sole	2022-02-15
2021-09-30	$13,615,686	114,082	-0.8%	Shares	Sole	2021-11-15
2021-06-30	$16,195,614	114,993	+0.2%	Shares	Sole	2021-08-16
2021-03-31	$16,263,149	114,796	-0.3%	Shares	Sole	2021-05-18
2020-12-31	$15,754,122	115,086	+0.6%	Shares	Sole	2021-02-16
2020-09-30	$12,953,815	114,433	+2.4%	Shares	Sole	2020-11-17
2020-06-30	$12,518,132	111,789	+2.9%	Shares	Sole	2020-08-17
2020-03-31	$10,811,537	108,615	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.