FARALLON CAPITAL MANAGEMENT LLC

Position in BIIB — Biogen Inc.

CIK 909661 SAN FRANCISCO, CA

Position in BIIB

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

Position Value

$15,340,260

-$156,737,055 QoQ

Shares Held

71,000

-88.2% QoQ

Ownership

0.048%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#141

of 1,036 holders

Holding Since

Dec 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

FARALLON CAPITAL MANAGEMENT LLC holds $435,817,620 across 6 Drug Manufacturers - General names. BIIB ranks #6 (3.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVO	Novo Nordisk A S	2,619,000	$125,554,860
2	AZN	Astrazeneca PLC	574,000	$108,841,880
3	JNJ	Johnson & Johnson	408,000	$103,619,760
4	NVS	Novartis AG	363,000	$56,889,360
5	MRK	Merck & Co., Inc.	199,000	$25,571,500
6	BIIB	Biogen Inc. This page	71,000	$15,340,260

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$15,340,260	71,000	-88.2%	Shares	Other	2026-08-14
2023-06-30	$172,077,315	604,098	-2.5%	Shares	Other	2023-08-14
2023-03-31	$172,322,437	619,798	+4.6%	Shares	Other	2023-05-15
2022-12-31	$164,130,207	592,699	+94.0%	Shares	Other	2023-02-14
2022-09-30	$81,568,233	305,499	+9.7%	Shares	Other	2022-11-14
2022-06-30	$56,797,086	278,499	+40.8%	Shares	Other	2022-08-15
2022-03-31	$41,656,469	197,799	+33.9%	Shares	Other	2022-05-16
2021-12-31	$35,438,343	147,709	-13.5%	Shares	Other	2022-02-14
2021-09-30	$48,351,388	170,859	+56.8%	Shares	Other	2021-11-15
2021-06-30	$37,743,430	109,000	+5.8%	Shares	Other	2021-08-13
2021-03-31	$28,814,250	103,000	0.0%	Shares	Other	2021-05-17
2020-12-31	$25,220,580	103,000	—	Shares	Other	2021-02-16
No filing history on record for this holder in this stock.