Tradewinds Capital Management’s Biogen BIIB Stock Holding History

Tradewinds Capital Management’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 Q2	$10.8K	Hold	50	–	–	﹤0.01%	396
2026 Q1	$9.17K	Hold	50	–	–	﹤0.01%	405
2025 Q4	$8.8K	Hold	50	–	–	﹤0.01%	395
2025 Q3	$7K	Hold	50	–	–	﹤0.01%	411
2025 Q2	$6.28K	Hold	50	–	–	﹤0.01%	393
2025 Q1	$6.84K	Hold	50	–	–	﹤0.01%	393
2024 Q4	$7.65K	Hold	50	–	–	﹤0.01%	393
2024 Q3	$9.69K	Hold	50	–	–	﹤0.01%	353
2024 Q2	$11.6K	Hold	50	–	–	﹤0.01%	319
2024 Q1	$10.8K	Hold	50	–	–	﹤0.01%	309
2023 Q4	$12.9K	Hold	50	–	–	0.01%	226
2023 Q3	$12.9K	Hold	50	–	–	﹤0.01%	217
2023 Q2	$14.2K	Hold	50	–	–	﹤0.01%	207
2023 Q1	$13.9K	Hold	50	–	–	﹤0.01%	215
2022 Q4	$13.8K	Hold	50	–	–	0.01%	192
2022 Q3	$13K	Hold	50	–	–	0.01%	184
2022 Q2	$10K	Hold	50	–	–	﹤0.01%	209
2022 Q1	$11K	Hold	50	–	–	﹤0.01%	460
2021 Q4	$12K	Hold	50	–	–	﹤0.01%	456
2021 Q3	$14K	Hold	50	–	–	﹤0.01%	415
2021 Q2	$17K	Hold	50	–	–	﹤0.01%	382
2021 Q1	$14K	Buy	+50	New	+$13.5K	﹤0.01%	396
2020 Q1	–	Sell	-31	Closed	-$9K	–	652
2019 Q4	$9K	Buy	+31	New	+$8.6K	﹤0.01%	431
2018 Q4	–	Sell	-10	Closed	-$4K	–	627
2018 Q3	$4K	Buy	+10	New	+$3.44K	﹤0.01%	511
2015 Q3	–	Sell	-10	Closed	-$4K	–	644
2015 Q2	$4K	Buy	+10	New	+$4.01K	﹤0.01%	491

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Tradewinds Capital Management's BIIB Position: Q2 2026 in Review

Tradewinds Capital Management held its Biogen (BIIB) position steady in Q2 2026 at 50 shares worth $10.8K. The position accounts for ﹤0.01% of the portfolio, ranked #396.

Tradewinds Capital Management first reported a position in BIIB in Q2 2015 and has held it in 25 quarters since. The position peaked at $17K in Q2 2021. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Tradewinds Capital Management held 50 shares of Biogen worth $10.8K as of Q2 2026.
Tradewinds Capital Management left its Biogen share count unchanged in Q2 2026.
Biogen made up ﹤0.01% of Tradewinds Capital Management's portfolio in Q2 2026, its #396 holding.
Tradewinds Capital Management first reported a position in Biogen in Q2 2015 and has held it in 25 quarters since.
Tradewinds Capital Management's Biogen position peaked at $17K in Q2 2021.
1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Tradewinds Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.