BlackRock
ANNX icon

BlackRock’s Annexon ANNX Stock Holding History

BlackRock’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 		$77.3M Buy
13,539,744
+2,601,235
+24% +$14.4M ﹤0.01% 2378
2026
Q1 		$60.6M Buy
10,938,509
+1,978,075
+22% +$11.1M ﹤0.01% 2389
2025
Q4 		$45M Buy
8,960,434
+1,061,426
+13% +$4.06M ﹤0.01% 2590
2025
Q3 		$24.1M Sell
7,899,008
-63,360
-0.8% -$157K ﹤0.01% 2979
2025
Q2 		$19.1M Sell
7,962,368
-564,138
-7% -$1.13M ﹤0.01% 3061
2025
Q1 		$16.5M Buy
8,526,506
+40,319
+0.5% +$134K ﹤0.01% 3052
2024
Q4 		$43.5M Buy
8,486,187
+838,473
+11% +$5.16M ﹤0.01% 2537
2024
Q3 		$45.3M Buy
7,647,714
+1,060,427
+16% +$6.29M ﹤0.01% 2527
2024
Q2 		$32.3M Buy
6,587,287
+1,543,757
+31% +$7.98M ﹤0.01% 2701
2024
Q1 		$36.2M Buy
5,043,530
+1,724,951
+52% +$8.96M ﹤0.01% 2640
2023
Q4 		$15.1M Sell
3,318,579
-89,410
-3% -$221K ﹤0.01% 3171
2023
Q3 		$8.04M Sell
3,407,989
-71,907
-2% -$218K ﹤0.01% 3459
2023
Q2 		$12.2M Buy
3,479,896
+2,318,780
+200% +$10.1M ﹤0.01% 3316
2023
Q1 		$4.47M Buy
1,161,116
+840
+0.1% +$4.62K ﹤0.01% 3682
2022
Q4 		$6M Buy
1,160,276
+19,828
+2% +$109K ﹤0.01% 3648
2022
Q3 		$7.05M Buy
1,140,448
+179,405
+19% +$970K ﹤0.01% 3606
2022
Q2 		$3.62M Sell
961,043
-1,608,854
-63% -$4.92M ﹤0.01% 3962
2022
Q1 		$7.02M Sell
2,569,897
-44,694
-2% -$275K ﹤0.01% 3772
2021
Q4 		$30M Sell
2,614,591
-264,283
-9% -$4.27M ﹤0.01% 3015
2021
Q3 		$53.6M Sell
2,878,874
-256,944
-8% -$5.21M ﹤0.01% 2617
2021
Q2 		$70.6M Buy
3,135,818
+237,497
+8% +$5.26M ﹤0.01% 2470
2021
Q1 		$80.7M Buy
2,898,321
+410,988
+17% +$11.3M ﹤0.01% 2312
2020
Q4 		$62.3M Sell
2,487,333
-128,496
-5% -$3.31M ﹤0.01% 2348
2020
Q3 		$79.1M Buy
+2,615,829
New +$61.4M ﹤0.01% 2032

Other funds holding ANNX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return

BlackRock's ANNX Position: Q2 2026 in Review

BlackRock increased its Annexon (ANNX) stake by 24% in Q2 2026, buying an estimated $14.4M and bringing the position to 13,539,744 shares worth $77.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2378.

BlackRock first reported a position in ANNX in Q3 2020 and has held it in 24 quarters since. The position peaked at $80.7M in Q1 2021. 216 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • BlackRock held 13,539,744 shares of Annexon worth $77.3M as of Q2 2026.
  • BlackRock bought 2,601,235 Annexon shares in Q2 2026, an estimated $14.4M.
  • Annexon made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2378 holding.
  • BlackRock first reported a position in Annexon in Q3 2020 and has held it in 24 quarters since.
  • BlackRock's Annexon position peaked at $80.7M in Q1 2021.
  • 216 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.