Jane Street
ANNX icon

Jane Street’s Annexon ANNX Stock Holding History

Jane Street’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 		$517K Buy
90,500
+44,300
+96% +$245K ﹤0.01% 7933
2026
Q1 		$256K Sell
46,200
-6,700
-13% -$37.7K ﹤0.01% 9580
2025
Q4 		$266K Buy
52,900
+40,800
+337% +$156K ﹤0.01% 9104
2025
Q3 		$36.9K Buy
+12,100
New +$30K ﹤0.01% 10419
2024
Q3 		– Sell
-61,200
Closed -$300K – 9524
2024
Q2 		$300K Buy
+61,200
New +$317K ﹤0.01% 7804

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

Jane Street's ANNX Position: Q2 2026 in Review

Jane Street sold out of Annexon (ANNX) in Q2 2026, closing a stake of 47,120 shares — an estimated $260K sold.

Jane Street first reported a position in ANNX in Q3 2020 and held it in 15 quarters. The position peaked at $2.58M in Q4 2025. 216 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Jane Street reported no remaining Annexon position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 47,120 Annexon shares in Q2 2026, an estimated $260K.
  • Jane Street first reported a position in Annexon in Q3 2020 and held it in 15 quarters.
  • Jane Street's Annexon position peaked at $2.58M in Q4 2025.
  • 216 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.