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Sherbrooke Park Advisers’s Biogen BIIB Stock Holding History

Sherbrooke Park Advisers’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
2025
Q3 		– Sell
-2,512
Closed -$315K – 529
2025
Q2 		$315K Buy
+2,512
New +$313K 0.14% 292
2025
Q1 		– Sell
-4,464
Closed -$683K – 624
2024
Q4 		$683K Buy
4,464
+1,914
+75% +$323K 0.22% 131
2024
Q3 		$494K Buy
+2,550
New +$533K 0.11% 312
2024
Q2 		– Sell
-4,346
Closed -$937K – 917
2024
Q1 		$937K Buy
+4,346
New +$1.02M 0.18% 168

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Sherbrooke Park Advisers's BIIB Position: Q3 2025 in Review

Sherbrooke Park Advisers sold out of Biogen (BIIB) in Q3 2025, closing a stake of 2,512 shares — an estimated $315K sold.

Sherbrooke Park Advisers first reported a position in BIIB in Q1 2024 and held it in 4 quarters. The position peaked at $937K in Q1 2024. 906 funds tracked by Wall St. Rank hold BIIB as of Q3 2025.

  • Sherbrooke Park Advisers reported no remaining Biogen position as of Q3 2025 after selling out during the quarter.
  • Sherbrooke Park Advisers sold 2,512 Biogen shares in Q3 2025, an estimated $315K.
  • Sherbrooke Park Advisers first reported a position in Biogen in Q1 2024 and held it in 4 quarters.
  • Sherbrooke Park Advisers's Biogen position peaked at $937K in Q1 2024.
  • 906 funds tracked by Wall St. Rank held Biogen as of Q3 2025.

Based on Sherbrooke Park Advisers's 13F filing for Q3 2025, filed 14 Nov 2025.