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Atom Investors’s Annexon ANNX Stock Holding History

Atom Investors’s Portfolio ANNX Stock Details ANNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-30,453
Closed -$92.9K – 575
2025
Q3 		$92.9K Buy
+30,453
New +$75.6K 0.01% 559
2024
Q1 		– Sell
-15,615
Closed -$70.9K – 570
2023
Q4 		$70.9K Buy
15,615
+1,008
+7% +$2.5K 0.01% 427
2023
Q3 		$34.5K Buy
+14,607
New +$44.2K 0.01% 415

Other funds holding ANNX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Atom Investors's ANNX Position: Q4 2025 in Review

Atom Investors sold out of Annexon (ANNX) in Q4 2025, closing a stake of 30,453 shares — an estimated $92.9K sold.

Atom Investors first reported a position in ANNX in Q3 2023 and held it in 3 quarters. The position peaked at $92.9K in Q3 2025. 168 funds tracked by Wall St. Rank hold ANNX as of Q4 2025.

  • Atom Investors reported no remaining Annexon position as of Q4 2025 after selling out during the quarter.
  • Atom Investors sold 30,453 Annexon shares in Q4 2025, an estimated $92.9K.
  • Atom Investors first reported a position in Annexon in Q3 2023 and held it in 3 quarters.
  • Atom Investors's Annexon position peaked at $92.9K in Q3 2025.
  • 168 funds tracked by Wall St. Rank held Annexon as of Q4 2025.

Based on Atom Investors's 13F filing for Q4 2025, filed 17 Feb 2026.