Ameriprise
ANNX icon

Ameriprise’s Annexon ANNX Stock Holding History

Ameriprise’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
2026
Q1 		$19.1M Sell
3,449,121
-899,661
-21% -$5.06M ﹤0.01% 1444
2025
Q4 		$21.8M Buy
4,348,782
+2,156,428
+98% +$8.24M ﹤0.01% 1354
2025
Q3 		$6.69M Buy
2,192,354
+26,176
+1% +$65K ﹤0.01% 2206
2025
Q2 		$5.2M Sell
2,166,178
-1,819,117
-46% -$3.65M ﹤0.01% 2333
2025
Q1 		$7.69M Buy
3,985,295
+3,058,653
+330% +$10.2M ﹤0.01% 1963
2024
Q4 		$4.75M Buy
926,642
+767,869
+484% +$4.72M ﹤0.01% 2390
2024
Q3 		$940K Buy
+158,773
New +$941K ﹤0.01% 3249
2021
Q1 		– Sell
-247,071
Closed -$6.19M – 3833
2020
Q4 		$6.19M Buy
247,071
+46,490
+23% +$1.2M ﹤0.01% 2116
2020
Q3 		$6.06M Buy
+200,581
New +$4.71M ﹤0.01% 1938

Other funds holding ANNX

RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
MCO
MAK Capital One New York $679M AUM 29.02% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Ameriprise's ANNX Position: Q1 2026 in Review

Ameriprise reduced its Annexon (ANNX) stake by 21% in Q1 2026, selling an estimated $5.06M and leaving 3,449,121 shares worth $19.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1444.

Ameriprise first reported a position in ANNX in Q3 2020 and has held it in 9 quarters since. The position peaked at $21.8M in Q4 2025. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

  • Ameriprise held 3,449,121 shares of Annexon worth $19.1M as of Q1 2026.
  • Ameriprise sold 899,661 Annexon shares in Q1 2026, an estimated $5.06M.
  • Annexon made up ﹤0.01% of Ameriprise's portfolio in Q1 2026, its #1444 holding.
  • Ameriprise first reported a position in Annexon in Q3 2020 and has held it in 9 quarters since.
  • Ameriprise's Annexon position peaked at $21.8M in Q4 2025.
  • 217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

Based on Ameriprise's 13F filing for Q1 2026, filed 15 May 2026.