Unison Advisors’s Biogen BIIB Stock Holding History

Unison Advisors’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 Q3	$1.15M	Hold	5,078	–	–	0.08%	97
2026 Q2	$1.1M	Hold	5,078	–	–	0.08%	99
2026 Q1	$931K	Hold	5,078	–	–	0.07%	111
2025 Q4	$894K	Hold	5,078	–	–	0.08%	101
2025 Q3	$711K	Sell	5,078 -249	-5%	-$33.7K	0.06%	129
2025 Q2	$669K	Hold	5,327	–	–	0.07%	132
2025 Q1	$729K	Buy	5,327 +249	+5%	+$35.6K	0.09%	116
2024 Q4	$777K	Hold	5,078	–	–	0.09%	113
2024 Q3	$984K	Hold	5,078	–	–	0.12%	87
2024 Q2	$1.18M	Hold	5,078	–	–	0.15%	77
2024 Q1	$1.09M	Hold	5,078	–	–	0.11%	84
2023 Q4	$1.31M	Hold	5,078	–	–	0.14%	75
2023 Q3	$1.31M	Hold	5,078	–	–	0.15%	70
2023 Q2	$1.45M	Hold	5,078	–	–	0.16%	70
2023 Q1	$1.41M	Hold	5,078	–	–	0.16%	70
2022 Q4	$1.41M	Hold	5,078	–	–	0.18%	74
2022 Q3	$1.36M	Hold	5,078	–	–	0.25%	68
2022 Q2	$1.04M	Hold	5,078	–	–	0.27%	72
2022 Q1	$1.07M	Hold	5,078	–	–	0.26%	73
2021 Q4	$1.22M	Hold	5,078	–	–	0.29%	69
2021 Q3	$1.44M	Sell	5,078 -1,350	-21%	-$442K	0.36%	64
2021 Q2	$2.22M	Buy	6,428 +527	+9%	+$160K	0.41%	57
2021 Q1	$1.65M	Hold	5,901	–	–	0.32%	66
2020 Q4	$1.44M	Hold	5,901	–	–	0.33%	67
2020 Q3	$1.67M	Hold	5,901	–	–	0.48%	55
2020 Q2	$1.58M	Buy	5,901 +177	+3%	+$53.2K	0.53%	62
2020 Q1	$1.81M	Buy	+5,724	New	+$1.74M	1.95%	4

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Boston Partners Boston, Massachusetts $111B AUM 30.48% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Unison Advisors's BIIB Position: Q3 2026 in Review

Unison Advisors held its Biogen (BIIB) position steady in Q3 2026 at 5,078 shares worth $1.15M. The position accounts for 0.08% of the portfolio, ranked #97.

Unison Advisors first reported a position in BIIB in Q1 2020 and has held it in 27 quarters since. The position peaked at $2.22M in Q2 2021. 643 funds tracked by Wall St. Rank hold BIIB as of Q3 2026.

Unison Advisors held 5,078 shares of Biogen worth $1.15M as of Q3 2026.
Unison Advisors left its Biogen share count unchanged in Q3 2026.
Biogen made up 0.08% of Unison Advisors's portfolio in Q3 2026, its #97 holding.
Unison Advisors first reported a position in Biogen in Q1 2020 and has held it in 27 quarters since.
Unison Advisors's Biogen position peaked at $2.22M in Q2 2021.
643 funds tracked by Wall St. Rank held Biogen as of Q3 2026.

Based on Unison Advisors's 13F filing for Q3 2026, filed 29 Oct 2026.