Senator Investment Group’s Biogen BIIB Stock Holding History

Senator Investment Group’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
2016 Q4	–	Sell	-200,000	Closed	-$62.6M	–	44
2016 Q3	$62.6M	Buy	+200,000	New	+$59.2M	0.82%	35

Other funds holding BIIB

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Senator Investment Group's BIIB Position: Q2 2023 in Review

Senator Investment Group sold out of Biogen (BIIB) in Q2 2023, closing a stake of 40,000 shares — an estimated $11.1M sold.

Senator Investment Group first reported a position in BIIB in Q3 2015 and held it in 8 quarters. The position peaked at $142M in Q3 2016. 1,009 funds tracked by Wall St. Rank hold BIIB as of Q2 2023.

Senator Investment Group reported no remaining Biogen position as of Q2 2023 after selling out during the quarter.
Senator Investment Group sold 40,000 Biogen shares in Q2 2023, an estimated $11.1M.
Senator Investment Group first reported a position in Biogen in Q3 2015 and held it in 8 quarters.
Senator Investment Group's Biogen position peaked at $142M in Q3 2016.
1,009 funds tracked by Wall St. Rank held Biogen as of Q2 2023.

Based on Senator Investment Group's 13F filing for Q2 2023, filed 11 Aug 2023.