Bridgewater Advisors’s Biogen BIIB Stock Holding History

Bridgewater Advisors’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	$248K	Buy	1,241 +18	+1%	+$3.44K	0.01%	423
2026 Q1	$243K	Buy	1,223 +11	+0.9%	+$2.03K	0.01%	404
2025 Q4	$204K	Buy	+1,212	New	+$198K	0.01%	440

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

Bridgewater Advisors's BIIB Position: Q2 2026 in Review

Bridgewater Advisors increased its Biogen (BIIB) stake by 1.5% in Q2 2026, buying an estimated $3.44K and bringing the position to 1,241 shares worth $248K. The position accounts for 0.01% of the portfolio, ranked #423.

Bridgewater Advisors first reported a position in BIIB in Q4 2025 and has held it in 3 quarters since. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Bridgewater Advisors held 1,241 shares of Biogen worth $248K as of Q2 2026.
Bridgewater Advisors bought 18 Biogen shares in Q2 2026, an estimated $3.44K.
Biogen made up 0.01% of Bridgewater Advisors's portfolio in Q2 2026, its #423 holding.
Bridgewater Advisors first reported a position in Biogen in Q4 2025 and has held it in 3 quarters since.
1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Bridgewater Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.