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Avidity Partners Management’s Biogen BIIB Stock Holding History

Avidity Partners Management’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
2021
Q1 		– Sell
-248,100
Closed -$60.7M – 100
2020
Q4 		$60.7M Buy
248,100
+34,000
+16% +$8.77M 1.97% 13
2020
Q3 		$60.7M Buy
+214,100
New +$59.7M 2.82% 10

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State Street
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T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Avidity Partners Management's BIIB Position: Q4 2023 in Review

Avidity Partners Management sold out of Biogen (BIIB) in Q4 2023, closing a stake of 115,400 shares — an estimated $29.7M sold.

Avidity Partners Management first reported a position in BIIB in Q1 2020 and held it in 9 quarters. The position peaked at $160M in Q3 2022. 1,003 funds tracked by Wall St. Rank hold BIIB as of Q4 2023.

  • Avidity Partners Management reported no remaining Biogen position as of Q4 2023 after selling out during the quarter.
  • Avidity Partners Management sold 115,400 Biogen shares in Q4 2023, an estimated $29.7M.
  • Avidity Partners Management first reported a position in Biogen in Q1 2020 and held it in 9 quarters.
  • Avidity Partners Management's Biogen position peaked at $160M in Q3 2022.
  • 1,003 funds tracked by Wall St. Rank held Biogen as of Q4 2023.

Based on Avidity Partners Management's 13F filing for Q4 2023, filed 14 Feb 2024.