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AmeriFlex Group’s Biogen BIIB Stock Holding History

AmeriFlex Group’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 		$6.91K Buy
32
+14
+78% +$2.68K ﹤0.01% 957
2026
Q1 		$3.3K Hold
18
– – ﹤0.01% 897
2025
Q4 		$3.17K Sell
18
-18
-50% -$2.94K ﹤0.01% 931
2025
Q3 		$5.04K Buy
36
+18
+100% +$2.43K ﹤0.01% 913
2025
Q2 		$2.29K Hold
18
– – ﹤0.01% 942
2025
Q1 		$2.46K Hold
18
– – ﹤0.01% 1111
2024
Q4 		$2.59K Buy
+18
New +$3.04K ﹤0.01% 1014

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

AmeriFlex Group's BIIB Position: Q2 2026 in Review

AmeriFlex Group increased its Biogen (BIIB) stake by 78% in Q2 2026, buying an estimated $2.68K and bringing the position to 32 shares worth $6.91K. The position accounts for ﹤0.01% of the portfolio, ranked #957.

AmeriFlex Group first reported a position in BIIB in Q4 2024 and has held it in 7 quarters since. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • AmeriFlex Group held 32 shares of Biogen worth $6.91K as of Q2 2026.
  • AmeriFlex Group bought 14 Biogen shares in Q2 2026, an estimated $2.68K.
  • Biogen made up ﹤0.01% of AmeriFlex Group's portfolio in Q2 2026, its #957 holding.
  • AmeriFlex Group first reported a position in Biogen in Q4 2024 and has held it in 7 quarters since.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on AmeriFlex Group's 13F filing for Q2 2026, filed 14 Aug 2026.