Massachusetts Financial Services
ANNX icon

Massachusetts Financial Services’s Annexon ANNX Stock Holding History

Massachusetts Financial Services’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 		$5.92M Buy
1,037,366
+133,998
+15% +$741K ﹤0.01% 787
2026
Q1 		$5M Sell
903,368
-71
-0% -$400 ﹤0.01% 756
2025
Q4 		$4.54M Sell
903,439
-76,846
-8% -$294K ﹤0.01% 746
2025
Q3 		$2.99M Sell
980,285
-7,228
-0.7% -$17.9K ﹤0.01% 735
2025
Q2 		$2.37M Sell
987,513
-32,904
-3% -$66K ﹤0.01% 752
2025
Q1 		$1.97M Buy
1,020,417
+3,851
+0.4% +$12.8K ﹤0.01% 760
2024
Q4 		$5.21M Sell
1,016,566
-144,320
-12% -$888K ﹤0.01% 689
2024
Q3 		$6.87M Buy
1,160,886
+96,085
+9% +$570K ﹤0.01% 658
2024
Q2 		$5.22M Buy
1,064,801
+290,887
+38% +$1.5M ﹤0.01% 683
2024
Q1 		$5.55M Sell
773,914
-4,054
-0.5% -$21K ﹤0.01% 662
2023
Q4 		$3.53M Buy
777,968
+769
+0.1% +$1.9K ﹤0.01% 684
2023
Q3 		$1.83M Buy
777,199
+1,345
+0.2% +$4.07K ﹤0.01% 729
2023
Q2 		$2.73M Sell
775,854
-8,176
-1% -$35.7K ﹤0.01% 679
2023
Q1 		$3.02M Sell
784,030
-665
-0.1% -$3.66K ﹤0.01% 683
2022
Q4 		$4.06M Buy
784,695
+2,563
+0.3% +$14.1K ﹤0.01% 668
2022
Q3 		$4.83M Buy
782,132
+52,390
+7% +$283K ﹤0.01% 656
2022
Q2 		$2.75M Sell
729,742
-5,562
-0.8% -$17K ﹤0.01% 689
2022
Q1 		$2.01M Buy
735,304
+20,523
+3% +$126K ﹤0.01% 753
2021
Q4 		$8.21M Sell
714,781
-5,354
-0.7% -$86.5K ﹤0.01% 676
2021
Q3 		$13.4M Sell
720,135
-9,578
-1% -$194K ﹤0.01% 651
2021
Q2 		$16.4M Sell
729,713
-2,106
-0.3% -$46.7K ﹤0.01% 637
2021
Q1 		$20.4M Sell
731,819
-141,259
-16% -$3.88M 0.01% 602
2020
Q4 		$21.9M Buy
873,078
+16,038
+2% +$413K 0.01% 583
2020
Q3 		$25.9M Buy
+857,040
New +$20.1M 0.01% 535

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

Massachusetts Financial Services's ANNX Position: Q2 2026 in Review

Massachusetts Financial Services increased its Annexon (ANNX) stake by 15% in Q2 2026, buying an estimated $741K and bringing the position to 1,037,366 shares worth $5.92M. The position accounts for ﹤0.01% of the portfolio, ranked #787.

Massachusetts Financial Services first reported a position in ANNX in Q3 2020 and has held it in 24 quarters since. The position peaked at $25.9M in Q3 2020. 217 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Massachusetts Financial Services held 1,037,366 shares of Annexon worth $5.92M as of Q2 2026.
  • Massachusetts Financial Services bought 133,998 Annexon shares in Q2 2026, an estimated $741K.
  • Annexon made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q2 2026, its #787 holding.
  • Massachusetts Financial Services first reported a position in Annexon in Q3 2020 and has held it in 24 quarters since.
  • Massachusetts Financial Services's Annexon position peaked at $25.9M in Q3 2020.
  • 217 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.