WFA of San Diego’s Biogen BIIB Stock Holding History

WFA of San Diego’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	$46K	Sell	251 -2	-0.8%	-$369	0.04%	187
2025 Q4	$44.5K	Hold	253	–	–	0.03%	203
2025 Q3	$35.4K	Hold	253	–	–	0.02%	233
2025 Q2	$31.8K	Buy	+253	New	+$31.5K	0.02%	243
2024 Q3	$64.2K	Sell	331 -2	-0.6%	-$418	0.05%	165
2024 Q2	$77.2K	Buy	+333	New	+$72.4K	0.07%	143
2023 Q3	$111K	Hold	433	–	–	0.12%	106
2023 Q2	$123K	Buy	+433	New	+$129K	0.12%	100
2023 Q1	–	Sell	-442	Closed	-$122K	–	100
2022 Q4	$122K	Buy	+442	New	+$125K	0.09%	121
2022 Q3	–	Sell	-442	Closed	-$90K	–	114
2022 Q2	$90K	Buy	+442	New	+$90.4K	0.08%	123
2022 Q1	–	Sell	-442	Closed	-$106K	–	95
2021 Q4	$106K	Hold	442	–	–	0.06%	162
2021 Q3	$125K	Buy	+442	New	+$145K	0.09%	126
2021 Q1	–	Sell	-567	Closed	-$244	–	96
2020 Q4	$244	Buy	+567	New	+$146K	0.06%	36

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

WFA of San Diego's BIIB Position: Q1 2026 in Review

WFA of San Diego reduced its Biogen (BIIB) stake by 0.79% in Q1 2026, selling an estimated $369 and leaving 251 shares worth $46K. The position accounts for 0.04% of the portfolio, ranked #187.

WFA of San Diego first reported a position in BIIB in Q4 2020 and has held it in 13 quarters since. The position peaked at $125K in Q3 2021. 1,003 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

WFA of San Diego held 251 shares of Biogen worth $46K as of Q1 2026.
WFA of San Diego sold 2 Biogen shares in Q1 2026, an estimated $369.
Biogen made up 0.04% of WFA of San Diego's portfolio in Q1 2026, its #187 holding.
WFA of San Diego first reported a position in Biogen in Q4 2020 and has held it in 13 quarters since.
WFA of San Diego's Biogen position peaked at $125K in Q3 2021.
1,003 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on WFA of San Diego's 13F filing for Q1 2026, filed 11 May 2026.