KJHP
BIIB icon

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
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

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

K.J. Harrison & Partners's BIIB Position: Q1 2026 in Review

K.J. Harrison & Partners held its Biogen (BIIB) position steady in Q1 2026 at 10,000 shares worth $1.83M. The position accounts for 0.3% of the portfolio, ranked #84.

K.J. Harrison & Partners first reported a position in BIIB in Q3 2025 and has held it in 3 quarters since. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • K.J. Harrison & Partners held 10,000 shares of Biogen worth $1.83M as of Q1 2026.
  • K.J. Harrison & Partners left its Biogen share count unchanged in Q1 2026.
  • Biogen made up 0.3% of K.J. Harrison & Partners's portfolio in Q1 2026, its #84 holding.
  • K.J. Harrison & Partners first reported a position in Biogen in Q3 2025 and has held it in 3 quarters since.
  • 1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on K.J. Harrison & Partners's 13F filing for Q1 2026, filed 28 Apr 2026.