3 Factor Indexing’s Biogen BIIB Stock Holding History

3 Factor Indexing’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	$433	Hold	2	–	–	﹤0.01%	208
2026 Q1	$367	Buy	+2	New	+$369	﹤0.01%	208

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

3 Factor Indexing's BIIB Position: Q2 2026 in Review

3 Factor Indexing held its Biogen (BIIB) position steady in Q2 2026 at 2 shares worth $433. The position accounts for ﹤0.01% of the portfolio, ranked #208.

3 Factor Indexing first reported a position in BIIB in Q1 2026 and has held it in 2 quarters since. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

3 Factor Indexing held 2 shares of Biogen worth $433 as of Q2 2026.
3 Factor Indexing left its Biogen share count unchanged in Q2 2026.
Biogen made up ﹤0.01% of 3 Factor Indexing's portfolio in Q2 2026, its #208 holding.
3 Factor Indexing first reported a position in Biogen in Q1 2026 and has held it in 2 quarters since.
1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on 3 Factor Indexing's 13F filing for Q2 2026, filed 8 Jul 2026.