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Winch Advisory Services’s Biogen BIIB Stock Holding History

Winch Advisory Services’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
Q4 		– Sell
-16
Closed -$2.24K – 508
2025
Q3 		$2.24K Hold
16
– – ﹤0.01% 415
2025
Q2 		$2.01K Hold
16
– – ﹤0.01% 409
2025
Q1 		$2.19K Hold
16
– – ﹤0.01% 409
2024
Q4 		$2.45K Hold
16
– – ﹤0.01% 423
2024
Q3 		$3.1K Hold
16
– – ﹤0.01% 352
2024
Q2 		$3.71K Hold
16
– – ﹤0.01% 334
2024
Q1 		$3.45K Hold
16
– – ﹤0.01% 339
2023
Q4 		$4.14K Hold
16
– – ﹤0.01% 316
2023
Q3 		$4K Hold
16
– – ﹤0.01% 311
2023
Q2 		$5K Buy
+16
New +$4.76K ﹤0.01% 298
2017
Q1 		– Sell
-30
Closed -$9K – 290
2016
Q4 		$9K Hold
30
– – 0.01% 157
2016
Q3 		$9K Buy
+30
New +$8.88K 0.01% 163

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
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
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 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

Winch Advisory Services's BIIB Position: Q4 2025 in Review

Winch Advisory Services sold out of Biogen (BIIB) in Q4 2025, closing a stake of 16 shares — an estimated $2.24K sold.

Winch Advisory Services first reported a position in BIIB in Q3 2016 and held it in 12 quarters. The position peaked at $9K in Q4 2016. 1,001 funds tracked by Wall St. Rank hold BIIB as of Q4 2025.

  • Winch Advisory Services reported no remaining Biogen position as of Q4 2025 after selling out during the quarter.
  • Winch Advisory Services sold 16 Biogen shares in Q4 2025, an estimated $2.24K.
  • Winch Advisory Services first reported a position in Biogen in Q3 2016 and held it in 12 quarters.
  • Winch Advisory Services's Biogen position peaked at $9K in Q4 2016.
  • 1,001 funds tracked by Wall St. Rank held Biogen as of Q4 2025.

Based on Winch Advisory Services's 13F filing for Q4 2025, filed 3 Feb 2026.