Ossiam

SEC CIK: 0001767471
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

BIIB holding history

Biogen Inc. in every 13F filed by Ossiam, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BIIB overview All 13F holders of BIIB Full Q2 2026 holdings

Shares (Q2 2026): 39,223
Value: $8.47M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of BIIB by Ossiam, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	39,223	$8.47M	0.1%	−1,737−4.2%	Reduced	Holders
Q1 2026	40,960	$7.51M	0.1%	−21,303−34.2%	Reduced	Holders
Q4 2025	62,263	$11.0M	0.2%	−3,340−5.1%	Reduced	Holders
Q3 2025	65,603	$9.19M	0.1%	+15,116+29.9%	Added	Holders
Q2 2025	50,487	$6.34M	0.1%	−1,694−3.2%	Reduced	Holders
Q1 2025	52,181	$7.14M	0.1%	+1,818+3.6%	Added	Holders
Q4 2024	50,363	$7.70M	0.1%	+2,653+5.6%	Added	Holders
Q3 2024	47,710	$9.25M	0.2%	+6,759+16.5%	Added	Holders
Q2 2024	40,951	$9.49M	0.2%	+15,637+61.8%	Added	Holders
Q1 2024	25,314	$5.46M	0.1%	−3,306−11.6%	Reduced	Holders
Q4 2023	28,620	$7.41M	0.1%	−4,746−14.2%	Reduced	Holders
Q3 2023	33,366	$8.58M	0.2%	−20,280−37.8%	Reduced	Holders
Q2 2023	53,646	$15.3M	0.3%	+15,690+41.3%	Added	Holders
Q1 2023	37,956	$10.6M	0.2%	+127+0.3%	Added	Holders
Q4 2022	37,829	$10.5M	0.3%	−22,831−37.6%	Reduced	Holders
Q3 2022	60,660	$16.2M	0.5%	−3,802−5.9%	Reduced	Holders
Q2 2022	64,462	$13.1M	0.4%	+5,393+9.1%	Added	Holders
Q1 2022	59,069	$12.4M	0.3%	−11,044−15.8%	Reduced	Holders
Q4 2021	70,113	$16.8M	0.4%	+21,298+43.6%	Added	Holders
Q3 2021	48,815	$13.8M	0.4%	+7,989+19.6%	Added	Holders
Q2 2021	40,826	$13.3M	0.4%	−19,934−32.8%	Reduced	Holders
Q1 2021	60,760	$17.0M	0.5%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.