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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
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

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Atomi Financial Group's BIIB Position: Q1 2026 in Review

Atomi Financial Group reduced its Biogen (BIIB) stake by 16% in Q1 2026, selling an estimated $98.8K and leaving 2,742 shares worth $503K. The position accounts for 0.02% of the portfolio, ranked #712.

Atomi Financial Group first reported a position in BIIB in Q2 2025 and has held it in 3 quarters since. The position peaked at $577K in Q4 2025. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Atomi Financial Group held 2,742 shares of Biogen worth $503K as of Q1 2026.
  • Atomi Financial Group sold 536 Biogen shares in Q1 2026, an estimated $98.8K.
  • Biogen made up 0.02% of Atomi Financial Group's portfolio in Q1 2026, its #712 holding.
  • Atomi Financial Group first reported a position in Biogen in Q2 2025 and has held it in 3 quarters since.
  • Atomi Financial Group's Biogen position peaked at $577K in Q4 2025.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Atomi Financial Group's 13F filing for Q1 2026, filed 14 May 2026.