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
Q2 		$20M Buy
3,509,623
+60,502
+2% +$334K ﹤0.01% 1534
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

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
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MCO
MAK Capital One New York $714M AUM 68.07% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Ameriprise's ANNX Position: Q2 2026 in Review

Ameriprise increased its Annexon (ANNX) stake by 1.8% in Q2 2026, buying an estimated $334K and bringing the position to 3,509,623 shares worth $20M. The position accounts for ﹤0.01% of the portfolio, ranked #1534.

Ameriprise first reported a position in ANNX in Q3 2020 and has held it in 10 quarters since. The position peaked at $21.8M in Q4 2025. 216 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Ameriprise held 3,509,623 shares of Annexon worth $20M as of Q2 2026.
  • Ameriprise bought 60,502 Annexon shares in Q2 2026, an estimated $334K.
  • Annexon made up ﹤0.01% of Ameriprise's portfolio in Q2 2026, its #1534 holding.
  • Ameriprise first reported a position in Annexon in Q3 2020 and has held it in 10 quarters since.
  • Ameriprise's Annexon position peaked at $21.8M in Q4 2025.
  • 216 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

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