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Quarry LP’s Biogen BIIB Stock Holding History

Quarry LP’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 		$1.51K Buy
+7
New +$1.34K ﹤0.01% 1780
2025
Q3 		– Sell
-2,681
Closed -$337K – 2189
2025
Q2 		$337K Sell
2,681
-1,074
-29% -$134K 0.07% 253
2025
Q1 		$514K Buy
3,755
+750
+25% +$107K 0.11% 165
2024
Q4 		$460K Buy
+3,005
New +$507K 0.06% 166
2024
Q3 		– Sell
-9
Closed -$2.09K – 1657
2024
Q2 		$2.09K Buy
+9
New +$1.96K ﹤0.01% 1631

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Quarry LP's BIIB Position: Q2 2026 in Review

Quarry LP opened a new position in Biogen (BIIB) in Q2 2026: 7 shares worth $1.51K. The stake represents ﹤0.01% of the portfolio and ranks #1780 among its holdings. This is a return to the name: Quarry LP previously reported a position in BIIB as recently as Q2 2025.

Quarry LP first reported a position in BIIB in Q2 2024 and has held it in 5 quarters since. The position peaked at $514K in Q1 2025. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Quarry LP held 7 shares of Biogen worth $1.51K as of Q2 2026.
  • Biogen was a new Quarry LP position in Q2 2026.
  • Biogen made up ﹤0.01% of Quarry LP's portfolio in Q2 2026, its #1780 holding.
  • Quarry LP first reported a position in Biogen in Q2 2024 and has held it in 5 quarters since.
  • Quarry LP's Biogen position peaked at $514K in Q1 2025.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Quarry LP's 13F filing for Q2 2026, filed 14 Aug 2026.