Acadian Asset Management
ANNX icon

Acadian Asset Management’s Annexon ANNX Stock Holding History

Acadian Asset Management’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 		$3.59M Sell
629,127
-129,105
-17% -$714K ﹤0.01% 902
2026
Q1 		$4.2M Sell
758,232
-103,013
-12% -$580K 0.01% 758
2025
Q4 		$4.32M Buy
861,245
+328,882
+62% +$1.26M 0.01% 695
2025
Q3 		$1.62M Buy
532,363
+63,154
+13% +$157K ﹤0.01% 942
2025
Q2 		$1.13M Buy
469,209
+265,219
+130% +$532K ﹤0.01% 951
2025
Q1 		$393K Buy
203,990
+48,345
+31% +$161K ﹤0.01% 1122
2024
Q4 		$798K Sell
155,645
-789,351
-84% -$4.86M ﹤0.01% 968
2024
Q3 		$5.59M Buy
944,996
+32,845
+4% +$195K 0.02% 478
2024
Q2 		$4.47M Sell
912,151
-45,842
-5% -$237K 0.01% 532
2024
Q1 		$6.87M Buy
957,993
+83,969
+10% +$436K 0.02% 390
2023
Q4 		$3.97M Buy
874,024
+61,800
+8% +$153K 0.02% 516
2023
Q3 		$1.92M Sell
812,224
-8,342
-1% -$25.2K 0.01% 703
2023
Q2 		$2.89M Buy
820,566
+15,287
+2% +$66.8K 0.01% 604
2023
Q1 		$3.1M Buy
805,279
+408,467
+103% +$2.25M 0.01% 594
2022
Q4 		$2.05M Sell
396,812
-6,385
-2% -$35.1K 0.01% 670
2022
Q3 		$2.49M Buy
403,197
+2,657
+0.7% +$14.4K 0.01% 571
2022
Q2 		$1.51M Buy
400,540
+257,647
+180% +$787K 0.01% 708
2022
Q1 		$388K Buy
+142,893
New +$879K ﹤0.01% 1064

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

Acadian Asset Management's ANNX Position: Q2 2026 in Review

Acadian Asset Management reduced its Annexon (ANNX) stake by 17% in Q2 2026, selling an estimated $714K and leaving 629,127 shares worth $3.59M. The position accounts for ﹤0.01% of the portfolio, ranked #902.

Acadian Asset Management first reported a position in ANNX in Q1 2022 and has held it in 18 quarters since. The position peaked at $6.87M in Q1 2024. 216 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Acadian Asset Management held 629,127 shares of Annexon worth $3.59M as of Q2 2026.
  • Acadian Asset Management sold 129,105 Annexon shares in Q2 2026, an estimated $714K.
  • Annexon made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #902 holding.
  • Acadian Asset Management first reported a position in Annexon in Q1 2022 and has held it in 18 quarters since.
  • Acadian Asset Management's Annexon position peaked at $6.87M in Q1 2024.
  • 216 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.