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Atomi Financial Group’s Biogen BIIB Stock Holding History

Atomi Financial 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 		$603K Buy
2,792
+50
+2% +$9.56K 0.02% 684
2026
Q1 		$503K Sell
2,742
-536
-16% -$98.8K 0.02% 712
2025
Q4 		$577K Buy
+3,278
New +$536K 0.02% 626
2025
Q3 		– Sell
-1,800
Closed -$226K – 1172
2025
Q2 		$226K Buy
+1,800
New +$224K 0.01% 985

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

Atomi Financial Group's BIIB Position: Q2 2026 in Review

Atomi Financial Group increased its Biogen (BIIB) stake by 1.8% in Q2 2026, buying an estimated $9.56K and bringing the position to 2,792 shares worth $603K. The position accounts for 0.02% of the portfolio, ranked #684.

Atomi Financial Group first reported a position in BIIB in Q2 2025 and has held it in 4 quarters since. 1,045 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Atomi Financial Group held 2,792 shares of Biogen worth $603K as of Q2 2026.
  • Atomi Financial Group bought 50 Biogen shares in Q2 2026, an estimated $9.56K.
  • Biogen made up 0.02% of Atomi Financial Group's portfolio in Q2 2026, its #684 holding.
  • Atomi Financial Group first reported a position in Biogen in Q2 2025 and has held it in 4 quarters since.
  • 1,045 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Atomi Financial Group's 13F filing for Q2 2026, filed 4 Aug 2026.