CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

CIK

1081019

City

WEST SACRAMENTO

State / Country

Stock

ALKS — Alkermes plc.

Top Portfolio Positions

2,878 positions · $89,315,734,117 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	36,688,762	$6,398,520,092	7.16%
AAPL	Apple Inc. Technology	22,272,610	$5,652,565,691	6.33%
MSFT	Microsoft Corp Technology	10,715,663	$3,966,616,972	4.44%
AMZN	Amazon Com Inc Consumer Cyclical	14,562,158	$3,032,860,646	3.40%
GOOGL	Alphabet Inc. Communication Services	8,867,713	$2,549,999,550	2.86%
AVGO	Broadcom Inc. Technology	6,816,811	$2,109,871,172	2.36%
META	Meta Platforms, Inc. Communication Services	3,291,945	$1,883,420,492	2.11%
TSLA	Tesla, Inc. Consumer Cyclical	4,278,032	$1,590,358,396	1.78%
JPM	Jpmorgan Chase & Co Financial Services	4,132,836	$1,215,715,037	1.36%
LLY	ELI LILLY & Co Healthcare	1,214,622	$1,117,172,876	1.25%

53 quarters · across all stocks

Compact Export CSV

24 of 24 shown

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,498,991	183,795	+23.5%	Shares	Sole	2026-05-18
2025-12-31	$4,163,228	148,793	-0.1%	Shares	Sole	2026-02-17
2025-09-30	$4,467,270	148,909	+2.7%	Shares	Sole	2025-11-14
2025-06-30	$4,146,475	144,931	0.0%	Shares	Sole	2025-08-14
2025-03-31	$4,785,621	144,931	-1.2%	Shares	Sole	2025-05-15
2024-12-31	$4,217,021	146,628	-3.7%	Shares	Sole	2025-03-18
2024-09-30	$4,262,737	152,295	-3.5%	Shares	Sole	2025-04-04
2024-06-30	$3,804,498	157,863	-1.4%	Shares	Sole	2025-04-08
2024-03-31	$4,333,365	160,080	-5.1%	Shares	Sole	2024-05-16
2023-12-31	$4,678,628	168,660	-0.1%	Shares	Sole	2024-02-13
2023-09-30	$4,728,788	168,825	-8.9%	Shares	Sole	2023-11-14
2023-06-30	$5,802,519	185,384	-9.6%	Shares	Sole	2023-08-21
2023-03-31	$5,779,316	205,013	-1.5%	Shares	Sole	2023-05-09
2022-12-31	$5,438,175	208,120	+1.5%	Shares	Sole	2023-02-14
2022-09-30	$4,577,917	205,012	-1.6%	Shares	Sole	2022-11-21
2022-06-30	$6,204,542	208,276	+1.0%	Shares	Sole	2022-08-15
2022-03-31	$5,426,042	206,235	-7.9%	Shares	Sole	2022-05-16
2021-12-31	$5,208,681	223,933	+2.8%	Shares	Sole	2022-02-15
2021-09-30	$6,720,930	217,929	-1.5%	Shares	Sole	2021-11-15
2021-06-30	$5,424,559	221,230	-19.3%	Shares	Sole	2021-08-16
2021-03-31	$5,122,093	274,202	-0.3%	Shares	Sole	2021-05-18
2020-12-31	$5,489,382	275,157	-0.3%	Shares	Sole	2021-02-16
2020-06-30	$5,354,248	275,850	+6.2%	Shares	Sole	2020-08-17
2020-03-31	$3,744,974	259,707	—	Shares	Sole	2020-05-13
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