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WealthCollab’s Biogen BIIB Stock Holding History

WealthCollab’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 		$43.2K Sell
200
-6
-3% -$1.15K 0.02% 255
2026
Q1 		$37.8K Hold
206
– – 0.02% 251
2025
Q4 		$36.3K Hold
206
– – 0.01% 267
2025
Q3 		$28.9K Buy
206
+35
+20% +$4.73K 0.01% 289
2025
Q2 		$21.5K Buy
171
+8
+5% +$997 0.01% 321
2025
Q1 		$22.3K Buy
163
+68
+72% +$9.72K 0.01% 293
2024
Q4 		$14.5K Buy
95
+73
+332% +$12.3K 0.01% 383
2024
Q3 		$4.26K Hold
22
– – ﹤0.01% 645
2024
Q2 		$5.1K Sell
22
-7
-24% -$1.52K ﹤0.01% 581
2024
Q1 		$6.25K Sell
29
-7
-19% -$1.64K ﹤0.01% 534
2023
Q4 		$9.32K Buy
+36
New +$8.84K 0.01% 435

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

WealthCollab's BIIB Position: Q2 2026 in Review

WealthCollab reduced its Biogen (BIIB) stake by 2.9% in Q2 2026, selling an estimated $1.15K and leaving 200 shares worth $43.2K. The position accounts for 0.02% of the portfolio, ranked #255.

WealthCollab first reported a position in BIIB in Q4 2023 and has held it in 11 quarters since. 1,045 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • WealthCollab held 200 shares of Biogen worth $43.2K as of Q2 2026.
  • WealthCollab sold 6 Biogen shares in Q2 2026, an estimated $1.15K.
  • Biogen made up 0.02% of WealthCollab's portfolio in Q2 2026, its #255 holding.
  • WealthCollab first reported a position in Biogen in Q4 2023 and has held it in 11 quarters since.
  • 1,045 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on WealthCollab's 13F filing for Q2 2026, filed 10 Aug 2026.