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Mason Hawkins’s Biogen BIIB Stock Holding History

Mason Hawkins’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
2022
Q2 		– Sell
-842,962
Closed -$178M – 39
2022
Q1 		$178M Sell
842,962
-15,561
-2% -$3.38M 3.14% 12
2021
Q4 		$206M Buy
+858,523
New +$221M 3.46% 12
2021
Q2 		– Sell
-603,890
Closed -$169M – 25
2021
Q1 		$169M Buy
+603,890
New +$163M 3.61% 12

Other funds holding BIIB

Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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 $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

Mason Hawkins's BIIB Position: Q2 2022 in Review

Mason Hawkins sold out of Biogen (BIIB) in Q2 2022, closing a stake of 842,962 shares — an estimated $178M sold.

Mason Hawkins first reported a position in BIIB in Q1 2021 and held it in 3 quarters. The position peaked at $206M in Q4 2021. 928 funds tracked by Wall St. Rank hold BIIB as of Q2 2022.

  • Mason Hawkins reported no remaining Biogen position as of Q2 2022 after selling out during the quarter.
  • Mason Hawkins sold 842,962 Biogen shares in Q2 2022, an estimated $178M.
  • Mason Hawkins first reported a position in Biogen in Q1 2021 and held it in 3 quarters.
  • Mason Hawkins's Biogen position peaked at $206M in Q4 2021.
  • 928 funds tracked by Wall St. Rank held Biogen as of Q2 2022.

Based on Southeastern Asset Management's 13F filing for Q2 2022, filed 12 Aug 2022.