D.J. St. Germain’s Biogen BIIB Stock Holding History

D.J. St. Germain’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	$6.48K	Hold	30	–	–	﹤0.01%	730
2026 Q1	$5.5K	Hold	30	–	–	﹤0.01%	729
2025 Q4	$5.28K	Hold	30	–	–	﹤0.01%	727
2025 Q3	$4.2K	Hold	30	–	–	﹤0.01%	736
2025 Q2	$3.77K	Buy	+30	New	+$3.74K	﹤0.01%	752

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

D.J. St. Germain's BIIB Position: Q2 2026 in Review

D.J. St. Germain held its Biogen (BIIB) position steady in Q2 2026 at 30 shares worth $6.48K. The position accounts for ﹤0.01% of the portfolio, ranked #730.

D.J. St. Germain first reported a position in BIIB in Q2 2025 and has held it in 5 quarters since. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

D.J. St. Germain held 30 shares of Biogen worth $6.48K as of Q2 2026.
D.J. St. Germain left its Biogen share count unchanged in Q2 2026.
Biogen made up ﹤0.01% of D.J. St. Germain's portfolio in Q2 2026, its #730 holding.
D.J. St. Germain first reported a position in Biogen in Q2 2025 and has held it in 5 quarters since.
1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on D.J. St. Germain's 13F filing for Q2 2026, filed 21 Jul 2026.