Wells Fargo’s Biogen BIIB Stock Holding History

Wells Fargo’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
2023 Q2	–	Sell	-4,100	Closed	-$1.14M	–	7585
2023 Q1	$1.14M	Buy	+4,100	New	+$1.13M	﹤0.01%	3284
2022 Q4	–	Sell	-67,600	Closed	-$18M	–	7476
2022 Q3	$18M	Buy	67,600 +57,600	+576%	+$12.2M	0.01%	1125
2022 Q2	$2.04M	Hold	10,000	–	–	﹤0.01%	2773
2022 Q1	$2.11M	Sell	10,000 -21,200	-68%	-$4.61M	﹤0.01%	3242
2021 Q4	$7.49M	Buy	31,200 +15,000	+93%	+$3.86M	﹤0.01%	2133
2021 Q3	$4.58M	Sell	16,200 -26,200	-62%	-$8.59M	﹤0.01%	2914
2021 Q2	$14.7M	Buy	42,400 +34,400	+430%	+$10.4M	﹤0.01%	1913
2021 Q1	$2.24M	Buy	8,000 +3,000	+60%	+$809K	﹤0.01%	3588
2020 Q4	$69K	Buy	+5,000	New	+$1.29M	﹤0.01%	5480
2017 Q1	–	Sell	-20,000	Closed	-$26K	–	6301
2016 Q4	$26K	Sell	20,000 -15,000	-43%	-$4.45M	﹤0.01%	5558
2016 Q3	$465K	Buy	+35,000	New	+$10.4M	﹤0.01%	3990
2016 Q2	–	Sell	-7,200	Closed	-$6K	–	6098
2016 Q1	$6K	Sell	7,200 -6,300	-47%	-$1.66M	﹤0.01%	5828
2015 Q4	$302K	Buy	+13,500	New	+$3.88M	﹤0.01%	4211

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

Wells Fargo's BIIB Position: Q1 2026 in Review

Wells Fargo increased its Biogen (BIIB) stake by 6.5% in Q1 2026, buying an estimated $1.44M and bringing the position to 127,134 shares worth $23.3M. The position accounts for ﹤0.01% of the portfolio, ranked #1414.

Wells Fargo first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.02B in Q1 2015. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

Wells Fargo held 127,134 shares of Biogen worth $23.3M as of Q1 2026.
Wells Fargo bought 7,796 Biogen shares in Q1 2026, an estimated $1.44M.
Biogen made up ﹤0.01% of Wells Fargo's portfolio in Q1 2026, its #1414 holding.
Wells Fargo first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
Wells Fargo's Biogen position peaked at $1.02B in Q1 2015.
1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Wells Fargo's 13F filing for Q1 2026, filed 11 May 2026.