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Avion Wealth’s Biogen BIIB Stock Holding History

Avion 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 		$20K Buy
96
+21
+28% +$4.02K ﹤0.01% 391
2026
Q1 		$13K Buy
75
+3
+4% +$553 ﹤0.01% 414
2025
Q4 		$12K Sell
72
-1
-1% -$163 ﹤0.01% 437
2025
Q3 		$10K Sell
73
-1
-1% -$135 ﹤0.01% 472
2025
Q2 		$9K Buy
74
+53
+252% +$6.6K ﹤0.01% 491
2025
Q1 		$3K Hold
21
– – ﹤0.01% 622
2024
Q4 		$3K Buy
21
+9
+75% +$1.52K ﹤0.01% 620
2024
Q3 		$2K Sell
12
-4
-25% -$837 ﹤0.01% 656
2024
Q2 		$3K Buy
16
+14
+700% +$3.04K ﹤0.01% 543
2024
Q1 		$1K Buy
+2
New +$468 ﹤0.01% 859
2023
Q4 		– Sell
-13
Closed -$2K – 1086
2023
Q3 		$2K Sell
13
-3
-19% -$802 ﹤0.01% 455
2023
Q2 		$4K Buy
+16
New +$4.76K ﹤0.01% 367

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

Avion Wealth's BIIB Position: Q2 2026 in Review

Avion Wealth increased its Biogen (BIIB) stake by 28% in Q2 2026, buying an estimated $4.02K and bringing the position to 96 shares worth $20K. The position accounts for ﹤0.01% of the portfolio, ranked #391.

Avion Wealth first reported a position in BIIB in Q2 2023 and has held it in 12 quarters since. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Avion Wealth held 96 shares of Biogen worth $20K as of Q2 2026.
  • Avion Wealth bought 21 Biogen shares in Q2 2026, an estimated $4.02K.
  • Biogen made up ﹤0.01% of Avion Wealth's portfolio in Q2 2026, its #391 holding.
  • Avion Wealth first reported a position in Biogen in Q2 2023 and has held it in 12 quarters since.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Avion Wealth's 13F filing for Q2 2026, filed 31 Jul 2026.