Linden Thomas Advisory Services’s Biogen BIIB Stock Holding History

Linden Thomas Advisory Services’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	–	Sell	-7,264	Closed	-$1.28M	–	531
2025 Q4	$1.28M	Sell	7,264 -329	-4%	-$53.8K	0.13%	249
2025 Q3	$1.06M	Buy	7,593 +42	+0.6%	+$5.68K	0.11%	281
2025 Q2	$948K	Sell	7,551 -138	-2%	-$17.2K	0.1%	292
2025 Q1	$1.05M	Buy	7,689 +662	+9%	+$94.6K	0.14%	265
2024 Q4	$1.07M	Sell	7,027 -455	-6%	-$76.7K	0.14%	267
2024 Q3	$1.45M	Sell	7,482 -4	-0.1%	-$837	0.2%	201
2024 Q2	$1.74M	Buy	7,486 +2,115	+39%	+$460K	0.27%	130
2024 Q1	$1.16M	Buy	5,371 +71	+1%	+$16.6K	0.19%	226
2023 Q4	$1.37M	Sell	5,300 -80	-1%	-$19.6K	0.26%	168
2023 Q3	$1.38M	Buy	5,380 +1,599	+42%	+$428K	0.31%	130
2023 Q2	$1.08M	Buy	3,781 +16	+0.4%	+$4.76K	0.24%	178
2023 Q1	$1.05M	Buy	3,765 +94	+3%	+$26K	0.26%	166
2022 Q4	$1.02M	Buy	+3,671	New	+$1.04M	0.29%	151

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

Linden Thomas Advisory Services's BIIB Position: Q1 2026 in Review

Linden Thomas Advisory Services sold out of Biogen (BIIB) in Q1 2026, closing a stake of 7,264 shares — an estimated $1.28M sold.

Linden Thomas Advisory Services first reported a position in BIIB in Q4 2022 and held it in 13 quarters. The position peaked at $1.74M in Q2 2024. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

Linden Thomas Advisory Services reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
Linden Thomas Advisory Services sold 7,264 Biogen shares in Q1 2026, an estimated $1.28M.
Linden Thomas Advisory Services first reported a position in Biogen in Q4 2022 and held it in 13 quarters.
Linden Thomas Advisory Services's Biogen position peaked at $1.74M in Q2 2024.
1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Linden Thomas Advisory Services's 13F filing for Q1 2026, filed 10 Apr 2026.