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LBP AM’s Biogen BIIB Stock Holding History

LBP AM’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 		$801K Buy
+4,367
New +$805K 0.01% 347
2023
Q4 		– Sell
-6,795
Closed -$1.75M – 430
2023
Q3 		$1.75M Buy
6,795
+1,031
+18% +$276K 0.04% 304
2023
Q2 		$1.64M Sell
5,764
-2,618
-31% -$779K 0.04% 278
2023
Q1 		$2.33M Buy
8,382
+1,359
+19% +$376K 0.06% 266
2022
Q4 		$1.94M Buy
+7,023
New +$1.98M 0.06% 271

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

LBP AM's BIIB Position: Q1 2026 in Review

LBP AM opened a new position in Biogen (BIIB) in Q1 2026: 4,367 shares worth $801K. The stake represents 0.01% of the portfolio and ranks #347 among its holdings. This is a return to the name: LBP AM previously reported a position in BIIB as recently as Q3 2023.

LBP AM first reported a position in BIIB in Q4 2022 and has held it in 5 quarters since. The position peaked at $2.33M in Q1 2023. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • LBP AM held 4,367 shares of Biogen worth $801K as of Q1 2026.
  • Biogen was a new LBP AM position in Q1 2026.
  • Biogen made up 0.01% of LBP AM's portfolio in Q1 2026, its #347 holding.
  • LBP AM first reported a position in Biogen in Q4 2022 and has held it in 5 quarters since.
  • LBP AM's Biogen position peaked at $2.33M in Q1 2023.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on LBP AM's 13F filing for Q1 2026, filed 27 Apr 2026.