Decker Retirement Planning’s Biogen BIIB Stock Holding History

Decker Retirement Planning’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 Q3	–	Sell	-4	Closed	-$864	–	379
2026 Q2	$864	Buy	+4	New	+$765	﹤0.01%	379

Other funds holding BIIB

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Artemis Investment Management Edinburgh, United Kingdom $11.5B AUM 61.77% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $54.1B AUM 39.29% 1-Year Est. Return

Decker Retirement Planning's BIIB Position: Q3 2026 in Review

Decker Retirement Planning sold out of Biogen (BIIB) in Q3 2026, closing a stake of 4 shares — an estimated $864 sold.

Decker Retirement Planning first reported a position in BIIB in Q2 2026 and held it in 1 quarter. The position peaked at $864 in Q2 2026. 572 funds tracked by Wall St. Rank hold BIIB as of Q3 2026.

Decker Retirement Planning reported no remaining Biogen position as of Q3 2026 after selling out during the quarter.
Decker Retirement Planning sold 4 Biogen shares in Q3 2026, an estimated $864.
Decker Retirement Planning first reported a position in Biogen in Q2 2026 and held it in 1 quarter.
Decker Retirement Planning's Biogen position peaked at $864 in Q2 2026.
572 funds tracked by Wall St. Rank held Biogen as of Q3 2026.

Based on Decker Retirement Planning's 13F filing for Q3 2026, filed 19 Oct 2026.