Qube Research & Technologies (QRT)’s Biogen BIIB Stock Holding History

Qube Research & Technologies (QRT)’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	$821K	Sell	3,800 -12,000	-76%	-$2.3M	﹤0.01%	2487
2026 Q1	$2.9M	Sell	15,800 -56,400	-78%	-$10.4M	﹤0.01%	1954
2025 Q4	$12.7M	Sell	72,200 -11,000	-13%	-$1.8M	0.01%	1185
2025 Q3	$11.7M	Sell	83,200 -20,300	-20%	-$2.74M	0.01%	1222
2025 Q2	$13M	Sell	103,500 -6,400	-6%	-$797K	0.01%	1139
2025 Q1	$15M	Buy	109,900 +83,800	+321%	+$12M	0.02%	886
2024 Q4	$3.99M	Buy	26,100 +10,600	+68%	+$1.79M	0.01%	1599
2024 Q3	$3M	Buy	+15,500	New	+$3.24M	﹤0.01%	1601
2024 Q2	–	Sell	-100	Closed	-$21.6K	–	3831
2024 Q1	$21.6K	Buy	+100	New	+$23.4K	﹤0.01%	3680
2023 Q4	–	Sell	-18,300	Closed	-$4.7M	–	4342
2023 Q3	$4.7M	Buy	+18,300	New	+$4.89M	0.01%	960

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

Qube Research & Technologies (QRT)'s BIIB Position: Q2 2026 in Review

Qube Research & Technologies (QRT) sold out of Biogen (BIIB) in Q2 2026, closing a stake of 212,921 shares — an estimated $40.7M sold.

Qube Research & Technologies (QRT) first reported a position in BIIB in Q1 2018 and held it in 24 quarters. The position peaked at $168M in Q1 2025. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Qube Research & Technologies (QRT) reported no remaining Biogen position as of Q2 2026 after selling out during the quarter.
Qube Research & Technologies (QRT) sold 212,921 Biogen shares in Q2 2026, an estimated $40.7M.
Qube Research & Technologies (QRT) first reported a position in Biogen in Q1 2018 and held it in 24 quarters.
Qube Research & Technologies (QRT)'s Biogen position peaked at $168M in Q1 2025.
1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.