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Bridger Management’s Biogen BIIB Stock Holding History

Bridger 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
2026
Q1 		– Sell
-36,065
Closed -$6.35M – 25
2025
Q4 		$6.35M Buy
+36,065
New +$5.89M 4.08% 10
2023
Q4 		– Sell
-34,261
Closed -$8.81M – 33
2023
Q3 		$8.81M Sell
34,261
-12,372
-27% -$3.31M 3.23% 12
2023
Q2 		$13.3M Sell
46,633
-9,644
-17% -$2.87M 4.41% 10
2023
Q1 		$15.6M Buy
56,277
+8,500
+18% +$2.35M 5.82% 7
2022
Q4 		$13.2M Buy
+47,777
New +$13.5M 5.35% 9
2016
Q4 		– Sell
-254,050
Closed -$79.5M – 37
2016
Q3 		$79.5M Buy
254,050
+33,551
+15% +$9.94M 5.36% 2
2016
Q2 		$53.3M Buy
+220,499
New +$58.1M 3.44% 12

Other funds holding BIIB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Bridger Management's BIIB Position: Q1 2026 in Review

Bridger Management sold out of Biogen (BIIB) in Q1 2026, closing a stake of 36,065 shares — an estimated $6.35M sold.

Bridger Management first reported a position in BIIB in Q2 2016 and held it in 7 quarters. The position peaked at $79.5M in Q3 2016. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Bridger Management reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • Bridger Management sold 36,065 Biogen shares in Q1 2026, an estimated $6.35M.
  • Bridger Management first reported a position in Biogen in Q2 2016 and held it in 7 quarters.
  • Bridger Management's Biogen position peaked at $79.5M in Q3 2016.
  • 1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Bridger Management's 13F filing for Q1 2026, filed 15 May 2026.