California Public Employees Retirement System

Pension

Position in BIIB — Biogen Inc.

CIK 919079 Sacramento, CA

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Position in BIIB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$71,106,642

+$8,608,896 QoQ

Shares Held

329,106

-3.5% QoQ

Ownership

0.223%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#55

of 1,036 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

California Public Employees Retirement System holds $6,191,154,836 across 9 Drug Manufacturers - General names. BIIB ranks #9 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LLY	ELI LILLY & Co	1,440,683	$1,727,998,554
2	JNJ	Johnson & Johnson	4,969,982	$1,262,226,328
3	ABBV	AbbVie Inc.	3,428,196	$862,671,241
4	MRK	Merck & Co., Inc.	5,398,744	$693,738,604
5	AMGN	Amgen Inc	1,496,206	$541,806,116
6	PFE	Pfizer Inc	17,261,993	$415,668,791
7	GILD	Gilead Sciences, Inc.	2,790,589	$352,563,014
8	BMY	Bristol Myers Squibb Co	4,570,905	$263,375,546

All Filings in BIIB

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$71,106,642	329,106	-3.5%	Shares	Sole	2026-08-14
2026-03-31	$62,497,746	340,903	+3.1%	Shares	Sole	2026-05-06
2025-12-31	$58,218,547	330,806	-3.8%	Shares	Sole	2026-02-12
2025-09-30	$48,157,542	343,786	+1.4%	Shares	Sole	2025-11-14
2025-06-30	$42,581,289	339,050	-12.0%	Shares	Sole	2025-08-13
2025-03-31	$52,696,262	385,094	-3.2%	Shares	Sole	2025-05-13
2024-12-31	$60,839,069	397,849	+0.7%	Shares	Sole	2025-04-23
2024-09-30	$76,580,562	395,071	-0.3%	Shares	Sole	2024-11-13
2024-06-30	$91,815,788	396,065	-2.1%	Shares	Sole	2024-08-14
2024-03-31	$87,204,868	404,419	+11.3%	Shares	Sole	2024-04-30
2023-12-31	$93,987,592	363,209	+29.2%	Shares	Sole	2024-02-01
2023-09-30	$72,261,702	281,163	+2.4%	Shares	Sole	2023-11-02
2023-06-30	$78,228,640	274,631	-11.3%	Shares	Sole	2023-08-09
2023-03-31	$86,082,814	309,617	-16.7%	Shares	Sole	2023-05-12
2022-12-31	$102,984,332	371,892	-3.7%	Shares	Sole	2023-02-08
2022-09-30	$103,060,131	385,993	+3.8%	Shares	Sole	2022-11-09
2022-06-30	$75,844,674	371,897	-12.8%	Shares	Sole	2022-08-10
2022-03-31	$89,790,573	426,356	-5.4%	Shares	Sole	2022-05-04
2021-12-31	$108,141,780	450,741	-3.7%	Shares	Sole	2022-02-10
2021-09-30	$132,515,161	468,268	-1.1%	Shares	Sole	2021-11-10
2021-06-30	$163,960,922	473,506	+27.0%	Shares	Sole	2021-08-13
2021-03-31	$104,263,664	372,703	-3.9%	Shares	Sole	2021-05-14
2020-12-31	$94,937,608	387,722	+2.2%	Shares	Sole	2021-02-02
2020-09-30	$107,613,156	379,347	+0.3%	Shares	Sole	2020-11-05
2020-06-30	$101,230,218	378,360	-5.9%	Shares	Sole	2020-08-12
2020-03-31	$127,276,193	402,289	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.