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Tekla Capital Management’s Biogen BIIB Stock Holding History

Tekla Capital Management’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
2015
Q2 		– Sell
-12,200
Closed -$5.15M – 121
2015
Q1 		$5.15M Buy
+12,200
New +$4.81M 0.2% 81
2014
Q4 		– Sell
-12,800
Closed -$4.23M – 99
2014
Q3 		$4.23M Buy
+12,800
New +$4.22M 0.2% 88

Other funds holding BIIB

Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Tekla Capital Management's BIIB Position: Q2 2023 in Review

Tekla Capital Management increased its Biogen (BIIB) stake by 2.9% in Q2 2023, buying an estimated $2.09M and bringing the position to 247,943 shares worth $70.6M. The position accounts for 2.76% of the portfolio, ranked #10.

Tekla Capital Management first reported a position in BIIB in Q2 2013 and has held it in 41 quarters since. The position peaked at $153M in Q3 2017. 1,009 funds tracked by Wall St. Rank hold BIIB as of Q2 2023.

  • Tekla Capital Management held 247,943 shares of Biogen worth $70.6M as of Q2 2023.
  • Tekla Capital Management bought 7,017 Biogen shares in Q2 2023, an estimated $2.09M.
  • Biogen made up 2.76% of Tekla Capital Management's portfolio in Q2 2023, its #10 holding.
  • Tekla Capital Management first reported a position in Biogen in Q2 2013 and has held it in 41 quarters since.
  • Tekla Capital Management's Biogen position peaked at $153M in Q3 2017.
  • 1,009 funds tracked by Wall St. Rank held Biogen as of Q2 2023.

Based on Tekla Capital Management's 13F filing for Q2 2023, filed 10 Aug 2023.