SECTOR GAMMA AS

Position in BIIB — Biogen Inc.

CIK 1475373 OSLO, Q8

Position in BIIB

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$11,702,457

-$4,814,842 QoQ

Shares Held

54,163

-39.9% QoQ

Ownership

0.037%

of shares outstanding

% of Portfolio

2.54%

of 13F equity value

Holder Rank

#159

of 1,036 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

SECTOR GAMMA AS holds $118,791,477 across 6 Drug Manufacturers - General names. BIIB ranks #4 (9.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BMY	Bristol Myers Squibb Co	726,115	$41,838,746
2	MRK	Merck & Co., Inc.	217,008	$27,885,528
3	PFE	Pfizer Inc	1,004,215	$24,181,497
4	BIIB	Biogen Inc. This page	54,163	$11,702,457
5	AMGN	Amgen Inc	26,281	$9,516,875
6	OGN	Organon & Co.	270,781	$3,666,374

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$11,702,457	54,163	-39.9%	Shares	Sole	2026-08-12
2026-03-31	$16,517,299	90,096	+5.4%	Shares	Sole	2026-05-07
2025-12-31	$15,042,745	85,475	+13.2%	Shares	Sole	2026-02-12
2025-09-30	$10,572,538	75,475	+49.0%	Shares	Sole	2025-10-31
2025-06-30	$6,359,752	50,639	+171.7%	Shares	Sole	2025-07-31
2025-03-31	$2,550,560	18,639	-35.7%	Shares	Sole	2025-05-13
2024-12-31	$4,434,680	29,000	-17.5%	Shares	Sole	2025-02-11
2024-09-30	$6,816,577	35,166	-20.1%	Shares	Sole	2024-11-13
2024-06-30	$10,196,602	43,985	-26.3%	Shares	Sole	2024-08-09
2024-03-31	$12,872,679	59,698	-41.6%	Shares	Sole	2024-05-08
2023-12-31	$26,455,092	102,234	-2.0%	Shares	Sole	2024-02-05
2023-09-30	$26,802,544	104,286	+8.9%	Shares	Sole	2023-11-06
2023-06-30	$27,276,381	95,757	+9.0%	Shares	Sole	2023-08-09
2023-03-31	$24,421,043	87,836	+25.4%	Shares	Sole	2023-05-12
2022-12-31	$19,395,199	70,039	-36.5%	Shares	Sole	2023-02-08
2022-09-30	$29,431,410	110,230	+19.2%	Shares	Sole	2022-11-09
2022-06-30	$18,863,838	92,497	+12.9%	Shares	Sole	2022-08-05
2022-03-31	$17,257,617	81,945	+23.0%	Shares	Sole	2022-05-06
2021-12-31	$15,978,432	66,599	-20.1%	Shares	Sole	2022-02-08
2021-09-30	$23,578,443	83,319	+14.1%	Shares	Sole	2021-10-29
2021-06-30	$25,292,599	73,043	+48.3%	Shares	Sole	2021-08-04
2021-03-31	$13,780,485	49,260	-24.9%	Shares	Sole	2021-05-10
2020-12-31	$16,059,143	65,585	-2.6%	Shares	Sole	2021-02-10
2020-09-30	$19,103,862	67,343	+4.9%	Shares	Sole	2020-11-09
2020-06-30	$17,182,061	64,220	-14.5%	Shares	Sole	2020-08-07
2020-03-31	$23,766,465	75,120	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.