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Aventura Private Wealth’s Biogen BIIB Stock Holding History

Aventura Private Wealth’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 		$55.1K Sell
255
-5
-2% -$956 0.02% 331
2026
Q1 		$47.7K Sell
260
-13
-5% -$2.4K 0.02% 328
2025
Q4 		$48K Sell
273
-94
-26% -$15.4K 0.02% 298
2025
Q3 		$51.4K Sell
367
-35
-9% -$4.73K 0.02% 289
2025
Q2 		$50.5K Sell
402
-138
-26% -$17.2K 0.02% 280
2025
Q1 		$73.9K Sell
540
-59
-10% -$8.43K 0.04% 219
2024
Q4 		$91.6K Buy
+599
New +$101K 0.05% 197

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

Aventura Private Wealth's BIIB Position: Q2 2026 in Review

Aventura Private Wealth reduced its Biogen (BIIB) stake by 1.9% in Q2 2026, selling an estimated $956 and leaving 255 shares worth $55.1K. The position accounts for 0.02% of the portfolio, ranked #331.

Aventura Private Wealth first reported a position in BIIB in Q4 2024 and has held it in 7 quarters since. The position peaked at $91.6K in Q4 2024. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Aventura Private Wealth held 255 shares of Biogen worth $55.1K as of Q2 2026.
  • Aventura Private Wealth sold 5 Biogen shares in Q2 2026, an estimated $956.
  • Biogen made up 0.02% of Aventura Private Wealth's portfolio in Q2 2026, its #331 holding.
  • Aventura Private Wealth first reported a position in Biogen in Q4 2024 and has held it in 7 quarters since.
  • Aventura Private Wealth's Biogen position peaked at $91.6K in Q4 2024.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Aventura Private Wealth's 13F filing for Q2 2026, filed 15 Jul 2026.