Citadel Advisors
ANNX icon

Citadel Advisors’s Annexon ANNX Stock Holding History

Citadel Advisors’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 		$1.34M Sell
234,700
-8,900
-4% -$49.2K ﹤0.01% 7486
2026
Q1 		$1.35M Buy
243,600
+173,200
+246% +$975K ﹤0.01% 6968
2025
Q4 		$353K Buy
70,400
+9,200
+15% +$35.2K ﹤0.01% 9794
2025
Q3 		$187K Buy
+61,200
New +$152K ﹤0.01% 11329
2025
Q2 		– Sell
-14,700
Closed -$28.4K – 12411
2025
Q1 		$28.4K Sell
14,700
-700
-5% -$2.33K ﹤0.01% 12873
2024
Q4 		$79K Sell
15,400
-25,800
-63% -$159K ﹤0.01% 11804
2024
Q3 		$244K Sell
41,200
-202,500
-83% -$1.2M ﹤0.01% 9734
2024
Q2 		$1.19M Buy
243,700
+73,800
+43% +$382K ﹤0.01% 6254
2024
Q1 		$1.22M Buy
169,900
+158,500
+1,390% +$823K ﹤0.01% 6533
2023
Q4 		$51.8K Sell
11,400
-7,200
-39% -$17.8K ﹤0.01% 11751
2023
Q3 		$43.9K Sell
18,600
-32,200
-63% -$97.4K ﹤0.01% 11897
2023
Q2 		$179K Sell
50,800
-111,000
-69% -$485K ﹤0.01% 10062
2023
Q1 		$623K Sell
161,800
-1,000
-0.6% -$5.5K ﹤0.01% 7849
2022
Q4 		$842K Buy
162,800
+83,000
+104% +$456K ﹤0.01% 7147
2022
Q3 		$493K Buy
79,800
+31,800
+66% +$172K ﹤0.01% 8482
2022
Q2 		$181K Buy
+48,000
New +$147K ﹤0.01% 10807

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

Citadel Advisors's ANNX Position: Q2 2026 in Review

Citadel Advisors reduced its Annexon (ANNX) stake by 0.59% in Q2 2026, selling an estimated $19.6K and leaving 596,582 shares worth $3.41M. The position accounts for ﹤0.01% of the portfolio, ranked #5433.

Citadel Advisors first reported a position in ANNX in Q3 2020 and has held it in 23 quarters since. The position peaked at $63.5M in Q3 2020. 216 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Citadel Advisors held 596,582 shares of Annexon worth $3.41M as of Q2 2026.
  • Citadel Advisors sold 3,553 Annexon shares in Q2 2026, an estimated $19.6K.
  • Annexon made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #5433 holding.
  • Citadel Advisors first reported a position in Annexon in Q3 2020 and has held it in 23 quarters since.
  • Citadel Advisors's Annexon position peaked at $63.5M in Q3 2020.
  • 216 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

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