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	$756K	Buy	+3,500	New	+$670K	﹤0.01%	2603
2026 Q1	–	Sell	-23,000	Closed	-$4.05M	–	3625
2025 Q4	$4.05M	Sell	23,000 -35,000	-60%	-$5.72M	0.01%	1285
2025 Q3	$8.12M	Sell	58,000 -41,100	-41%	-$5.56M	0.01%	881
2025 Q2	$12.4M	Buy	99,100 +37,900	+62%	+$4.72M	0.03%	557
2025 Q1	$8.37M	Buy	61,200 +30,800	+101%	+$4.4M	0.03%	543
2024 Q4	$4.65M	Buy	30,400 +22,700	+295%	+$3.83M	0.02%	739
2024 Q3	$1.49M	Sell	7,700 -4,100	-35%	-$858K	0.01%	1383
2024 Q2	$2.74M	Buy	11,800 +7,100	+151%	+$1.54M	0.01%	902
2024 Q1	$1.01M	Buy	4,700 +800	+21%	+$187K	0.01%	1328
2023 Q4	$1.01M	Buy	+3,900	New	+$958K	0.01%	1434
2016 Q4	–	Sell	-20,000	Closed	-$6.26M	–	1396
2016 Q3	$6.26M	Buy	+20,000	New	+$5.92M	0.15%	99

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

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.