Marshall Wace
ANNX icon

Marshall Wace’s Annexon ANNX Stock Holding History

Marshall Wace’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 		$1.2M Sell
210,607
-650,868
-76% -$3.6M ﹤0.01% 2105
2026
Q1 		$4.77M Buy
861,475
+340,477
+65% +$1.92M ﹤0.01% 1330
2025
Q4 		$2.62M Buy
+520,998
New +$1.99M ﹤0.01% 1445
2025
Q3 		– Sell
-29,989
Closed -$72K – 2863
2025
Q2 		$72K Buy
+29,989
New +$60.1K ﹤0.01% 2570
2025
Q1 		– Sell
-38,845
Closed -$199K – 2606
2024
Q4 		$199K Sell
38,845
-253,529
-87% -$1.56M ﹤0.01% 2353
2024
Q3 		$1.73M Sell
292,374
-1,401,291
-83% -$8.31M ﹤0.01% 1423
2024
Q2 		$8.3M Buy
1,693,665
+1,378,053
+437% +$7.13M 0.01% 817
2024
Q1 		$2.26M Buy
+315,612
New +$1.64M ﹤0.01% 1305
2023
Q2 		– Sell
-464,819
Closed -$1.79M – 2435
2023
Q1 		$1.79M Buy
464,819
+435,963
+1,511% +$2.4M ﹤0.01% 1512
2022
Q4 		$149K Buy
+28,856
New +$159K ﹤0.01% 2738
2022
Q3 		– Sell
-14,961
Closed -$56K – 3305
2022
Q2 		$56K Sell
14,961
-13,211
-47% -$40.4K ﹤0.01% 3324
2022
Q1 		$77K Buy
28,172
+21,912
+350% +$135K ﹤0.01% 3219
2021
Q4 		$73K Buy
+6,260
New +$101K ﹤0.01% 3465

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 $3.37T AUM 44.26% 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

Marshall Wace's ANNX Position: Q2 2026 in Review

Marshall Wace reduced its Annexon (ANNX) stake by 76% in Q2 2026, selling an estimated $3.6M and leaving 210,607 shares worth $1.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2105.

Marshall Wace first reported a position in ANNX in Q4 2021 and has held it in 13 quarters since. The position peaked at $8.3M in Q2 2024. 216 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Marshall Wace held 210,607 shares of Annexon worth $1.2M as of Q2 2026.
  • Marshall Wace sold 650,868 Annexon shares in Q2 2026, an estimated $3.6M.
  • Annexon made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2105 holding.
  • Marshall Wace first reported a position in Annexon in Q4 2021 and has held it in 13 quarters since.
  • Marshall Wace's Annexon position peaked at $8.3M in Q2 2024.
  • 216 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.