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	$799K	Sell	3,700 -2,900	-44%	-$555K	﹤0.01%	2494
2026 Q1	$1.21M	Sell	6,600 -101,900	-94%	-$18.8M	﹤0.01%	2411
2025 Q4	$19.1M	Sell	108,500 -17,600	-14%	-$2.88M	0.02%	940
2025 Q3	$17.7M	Sell	126,100 -83,200	-40%	-$11.2M	0.02%	959
2025 Q2	$26.3M	Sell	209,300 -401,000	-66%	-$50M	0.03%	739
2025 Q1	$83.5M	Buy	610,300 +273,500	+81%	+$39.1M	0.1%	261
2024 Q4	$51.5M	Buy	336,800 +271,400	+415%	+$45.8M	0.07%	372
2024 Q3	$12.7M	Sell	65,400 -70,800	-52%	-$14.8M	0.02%	897
2024 Q2	$31.6M	Buy	136,200 +118,600	+674%	+$25.8M	0.05%	438
2024 Q1	$3.8M	Buy	+17,600	New	+$4.12M	0.01%	1392
2023 Q4	–	Sell	-18,800	Closed	-$4.83M	–	4344
2023 Q3	$4.83M	Buy	+18,800	New	+$5.03M	0.01%	947

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.