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Paul Tudor Jones’s Biogen BIIB Stock Holding History

Paul Tudor Jones’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
Q2 		$281K Buy
1,300
+200
+18% +$38.3K ﹤0.01% 3164
2026
Q1 		$202K Sell
1,100
-9,200
-89% -$1.7M ﹤0.01% 3370
2025
Q4 		$1.81M Sell
10,300
-12,600
-55% -$2.06M ﹤0.01% 1879
2025
Q3 		$3.21M Sell
22,900
-11,600
-34% -$1.57M 0.01% 1497
2025
Q2 		$4.33M Sell
34,500
-39,100
-53% -$4.87M 0.01% 1178
2025
Q1 		$10.1M Buy
73,600
+34,100
+86% +$4.87M 0.03% 456
2024
Q4 		$6.04M Buy
39,500
+37,100
+1,546% +$6.26M 0.02% 592
2024
Q3 		$465K Sell
2,400
-400
-14% -$83.7K ﹤0.01% 2072
2024
Q2 		$649K Buy
+2,800
New +$609K ﹤0.01% 1687
2024
Q1 		– Sell
-900
Closed -$233K – 2232
2023
Q4 		$233K Buy
+900
New +$221K ﹤0.01% 2141

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Paul Tudor Jones's BIIB Position: Q3 2025 in Review

Paul Tudor Jones sold out of Biogen (BIIB) in Q3 2025, closing a stake of 6,000 shares — an estimated $811K sold.

Paul Tudor Jones first reported a position in BIIB in Q2 2013 and held it in 39 quarters. The position peaked at $39.3M in Q3 2016. 906 funds tracked by Wall St. Rank hold BIIB as of Q3 2025.

  • Paul Tudor Jones reported no remaining Biogen position as of Q3 2025 after selling out during the quarter.
  • Paul Tudor Jones sold 6,000 Biogen shares in Q3 2025, an estimated $811K.
  • Paul Tudor Jones first reported a position in Biogen in Q2 2013 and held it in 39 quarters.
  • Paul Tudor Jones's Biogen position peaked at $39.3M in Q3 2016.
  • 906 funds tracked by Wall St. Rank held Biogen as of Q3 2025.

Based on Tudor Investment Corp's 13F filing for Q3 2025, filed 14 Nov 2025.