Jupiter Asset Management’s Biogen BIIB Stock Holding History

Jupiter Asset Management’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	$34.6M	Buy	160,057 +152,916	+2,141%	+$29.3M	0.17%	148
2026 Q1	$1.31M	Buy	+7,141	New	+$1.32M	0.01%	423
2023 Q4	–	Sell	-41,279	Closed	-$10.6M	–	467
2023 Q3	$10.6M	Buy	+41,279	New	+$11M	0.12%	196
2022 Q1	–	Sell	-38,584	Closed	-$9.26M	–	518
2021 Q4	$9.26M	Sell	38,584 -18,991	-33%	-$4.88M	0.1%	212
2021 Q3	$16.3M	Buy	57,575 +43,252	+302%	+$14.2M	0.18%	161
2021 Q2	$4.96M	Buy	+14,323	New	+$4.34M	0.05%	298
2021 Q1	–	Sell	-66,719	Closed	-$16.3M	–	569
2020 Q4	$16.3M	Buy	66,719 +47,739	+252%	+$12.3M	0.16%	163
2020 Q3	$5.38M	Buy	+18,980	New	+$5.29M	0.06%	291

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

Jupiter Asset Management's BIIB Position: Q2 2026 in Review

Jupiter Asset Management increased its Biogen (BIIB) stake by 2,141% in Q2 2026, buying an estimated $29.3M and bringing the position to 160,057 shares worth $34.6M. The position accounts for 0.17% of the portfolio, ranked #148.

Jupiter Asset Management first reported a position in BIIB in Q3 2020 and has held it in 8 quarters since. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Jupiter Asset Management held 160,057 shares of Biogen worth $34.6M as of Q2 2026.
Jupiter Asset Management bought 152,916 Biogen shares in Q2 2026, an estimated $29.3M.
Biogen made up 0.17% of Jupiter Asset Management's portfolio in Q2 2026, its #148 holding.
Jupiter Asset Management first reported a position in Biogen in Q3 2020 and has held it in 8 quarters since.
1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Jupiter Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.