K.J. Harrison & Partners’s Biogen BIIB Stock Holding History

K.J. Harrison & 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	$2.16M	Hold	10,000	–	–	0.31%	88
2026 Q1	$1.83M	Hold	10,000	–	–	0.3%	84
2025 Q4	$1.76M	Sell	10,000 -6	-0.1%	-$980	0.23%	112
2025 Q3	$1.55M	Buy	+10,006	New	+$1.35M	0.22%	111

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

K.J. Harrison & Partners's BIIB Position: Q2 2026 in Review

K.J. Harrison & Partners held its Biogen (BIIB) position steady in Q2 2026 at 10,000 shares worth $2.16M. The position accounts for 0.31% of the portfolio, ranked #88.

K.J. Harrison & Partners first reported a position in BIIB in Q3 2025 and has held it in 4 quarters since. 1,045 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

K.J. Harrison & Partners held 10,000 shares of Biogen worth $2.16M as of Q2 2026.
K.J. Harrison & Partners left its Biogen share count unchanged in Q2 2026.
Biogen made up 0.31% of K.J. Harrison & Partners's portfolio in Q2 2026, its #88 holding.
K.J. Harrison & Partners first reported a position in Biogen in Q3 2025 and has held it in 4 quarters since.
1,045 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on K.J. Harrison & Partners's 13F filing for Q2 2026, filed 7 Aug 2026.