CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in MRK — Merck & Co., Inc.

CIK 1081019 WEST SACRAMENTO, CA

Back to MRK Full portfolio

Position in MRK

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

Position Value

$461,385,767

+$46,016,650 QoQ

Shares Held

3,835,612

-2.8% QoQ

Ownership

0.155%

of shares outstanding

% of Portfolio

0.50%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $4,130,100,665 across 10 Drug Manufacturers - General names. MRK ranks #4 (11.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LLY	ELI LILLY & Co	1,214,622	$1,117,172,876
2	JNJ	Johnson & Johnson	3,743,432	$915,044,518
3	ABBV	AbbVie Inc.	2,680,188	$582,914,088
4	MRK	Merck & Co., Inc. This page	3,835,612	$461,385,767
5	AMGN	Amgen Inc	825,116	$290,317,064
6	GILD	Gilead Sciences, Inc.	1,914,292	$266,794,876
7	PFE	Pfizer Inc	9,005,182	$252,865,510
8	BMY	Bristol Myers Squibb Co	3,317,201	$201,188,240

All Filings in MRK

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22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$461,385,767	3,835,612	-2.8%	Shares	Sole	2026-05-18
2025-12-31	$415,369,117	3,946,125	-2.8%	Shares	Sole	2026-02-17
2025-09-30	$340,758,905	4,060,037	-0.1%	Shares	Sole	2025-11-14
2025-06-30	$321,651,540	4,063,309	+0.5%	Shares	Sole	2025-08-14
2025-03-31	$363,044,193	4,044,610	-1.8%	Shares	Sole	2025-05-15
2024-03-31	$543,559,184	4,119,433	+0.6%	Shares	Sole	2024-05-16
2023-12-31	$446,426,761	4,094,907	+1.2%	Shares	Sole	2024-02-13
2023-09-30	$416,577,497	4,046,406	-3.9%	Shares	Sole	2023-11-14
2023-06-30	$485,835,402	4,210,377	-2.0%	Shares	Sole	2023-08-21
2023-03-31	$456,899,302	4,294,570	-0.9%	Shares	Sole	2023-05-09
2022-12-31	$480,905,896	4,334,438	+1.6%	Shares	Sole	2023-02-14
2022-09-30	$367,544,486	4,267,818	-3.5%	Shares	Sole	2022-11-21
2022-06-30	$403,268,978	4,423,264	+0.1%	Shares	Sole	2022-08-15
2022-03-31	$362,536,940	4,418,488	-5.6%	Shares	Sole	2022-05-16
2021-12-31	$358,583,155	4,678,799	+0.6%	Shares	Sole	2022-02-15
2021-09-30	$349,320,987	4,650,792	+1.0%	Shares	Sole	2021-11-15
2021-06-30	$358,046,547	4,603,916	-8.1%	Shares	Sole	2021-08-16
2021-03-31	$386,403,349	5,012,364	-0.8%	Shares	Sole	2021-05-18
2020-12-31	$413,515,582	5,055,205	-1.1%	Shares	Sole	2021-02-16
2020-09-30	$424,048,891	5,112,100	-1.2%	Shares	Sole	2020-11-17
2020-06-30	$399,969,802	5,172,244	-2.4%	Shares	Sole	2020-08-17
2020-03-31	$407,744,976	5,299,521	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.