OMERS Administration Corp’s Biogen BIIB Stock Holding History

OMERS Administration Corp’s Portfolio BIIB Stock Details BIIB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$3.69M	Buy	20,149 +3,341	+20%	+$616K	0.02%	350
2025 Q4	$2.96M	Buy	16,808 +11,628	+224%	+$1.9M	0.02%	291
2025 Q3	$726K	Hold	5,180	–	–	0.01%	647
2025 Q2	$651K	Hold	5,180	–	–	0.01%	604
2025 Q1	$709K	Sell	5,180 -864	-14%	-$124K	0.01%	645
2024 Q4	$924K	Buy	6,044 +1,015	+20%	+$171K	0.01%	547
2024 Q3	$975K	Hold	5,029	–	–	0.01%	521
2024 Q2	$1.17M	Buy	+5,029	New	+$1.09M	0.01%	496
2020 Q1	–	Sell	-27,600	Closed	-$8.19M	–	205
2019 Q4	$8.19M	Sell	27,600 -7,600	-22%	-$2.11M	0.09%	121
2019 Q3	$8.2M	Buy	35,200 +8,700	+33%	+$2.03M	0.08%	147
2019 Q2	$6.28M	Buy	26,500 +18,100	+215%	+$4.18M	0.07%	163
2019 Q1	$2.06M	Buy	+8,400	New	+$2.65M	0.02%	146
2018 Q3	–	Sell	-19,000	Closed	-$5.51M	–	366
2018 Q2	$5.51M	Buy	+19,000	New	+$5.34M	0.05%	155
2016 Q1	–	Sell	-12,900	Closed	-$3.95M	–	557
2015 Q4	$3.95M	Sell	12,900 -2,200	-15%	-$632K	0.1%	158
2015 Q3	$4.41M	Buy	15,100 +500	+3%	+$165K	0.13%	141
2015 Q2	$5.9M	Hold	14,600	–	–	0.23%	108
2015 Q1	$6.17M	Sell	14,600 -4,500	-24%	-$1.77M	0.23%	92
2014 Q4	$6.48M	Buy	19,100 +15,500	+431%	+$5.01M	0.2%	94
2014 Q3	$1.19M	Buy	+3,600	New	+$1.19M	0.04%	219

Other funds holding BIIB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

OMERS Administration Corp's BIIB Position: Q1 2026 in Review

OMERS Administration Corp increased its Biogen (BIIB) stake by 20% in Q1 2026, buying an estimated $616K and bringing the position to 20,149 shares worth $3.69M. The position accounts for 0.02% of the portfolio, ranked #350.

OMERS Administration Corp first reported a position in BIIB in Q3 2014 and has held it in 19 quarters since. The position peaked at $8.2M in Q3 2019. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

OMERS Administration Corp held 20,149 shares of Biogen worth $3.69M as of Q1 2026.
OMERS Administration Corp bought 3,341 Biogen shares in Q1 2026, an estimated $616K.
Biogen made up 0.02% of OMERS Administration Corp's portfolio in Q1 2026, its #350 holding.
OMERS Administration Corp first reported a position in Biogen in Q3 2014 and has held it in 19 quarters since.
OMERS Administration Corp's Biogen position peaked at $8.2M in Q3 2019.
1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on OMERS Administration Corp's 13F filing for Q1 2026, filed 15 May 2026.