Essential Partners’s Biogen BIIB Stock Holding History

Essential Partners’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	$293K	Sell	1,355 -4,364	-76%	-$835K	0.13%	165
2026 Q1	$1.05M	Buy	5,719 +5	+0.1%	+$921	0.35%	67
2025 Q4	$1.01M	Buy	5,714 +155	+3%	+$25.3K	0.31%	87
2025 Q3	$779K	Buy	5,559 +214	+4%	+$28.9K	0.26%	104
2025 Q2	$671K	Buy	+5,345	New	+$666K	0.27%	114

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

Essential Partners's BIIB Position: Q2 2026 in Review

Essential Partners reduced its Biogen (BIIB) stake by 76% in Q2 2026, selling an estimated $835K and leaving 1,355 shares worth $293K. The position accounts for 0.13% of the portfolio, ranked #165.

Essential Partners first reported a position in BIIB in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.05M in Q1 2026. 1,041 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Essential Partners held 1,355 shares of Biogen worth $293K as of Q2 2026.
Essential Partners sold 4,364 Biogen shares in Q2 2026, an estimated $835K.
Biogen made up 0.13% of Essential Partners's portfolio in Q2 2026, its #165 holding.
Essential Partners first reported a position in Biogen in Q2 2025 and has held it in 5 quarters since.
Essential Partners's Biogen position peaked at $1.05M in Q1 2026.
1,041 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Essential Partners's 13F filing for Q2 2026, filed 10 Aug 2026.