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XTX Topco’s Janux Therapeutics JANX Stock Holding History

XTX Topco’s Portfolio JANX Stock Details JANX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.19M Buy
77,233
+34,419
+80% +$499K 0.02% 1631
2026
Q1 		$595K Sell
42,814
-118,613
-73% -$1.63M 0.01% 1871
2025
Q4 		$2.23M Buy
+161,427
New +$3.8M 0.06% 492
2023
Q4 		– Sell
-13,636
Closed -$137K – 1843
2023
Q3 		$137K Buy
13,636
+421
+3% +$4.86K 0.02% 1131
2023
Q2 		$157K Buy
+13,215
New +$177K 0.03% 1085

Other funds holding JANX

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PM
Prosight Management Dallas, Texas $580M AUM 29.81% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

XTX Topco's JANX Position: Q2 2026 in Review

XTX Topco increased its Janux Therapeutics (JANX) stake by 80% in Q2 2026, buying an estimated $499K and bringing the position to 77,233 shares worth $1.19M. The position accounts for 0.02% of the portfolio, ranked #1631.

XTX Topco first reported a position in JANX in Q2 2023 and has held it in 5 quarters since. The position peaked at $2.23M in Q4 2025. 197 funds tracked by Wall St. Rank hold JANX as of Q2 2026.

  • XTX Topco held 77,233 shares of Janux Therapeutics worth $1.19M as of Q2 2026.
  • XTX Topco bought 34,419 Janux Therapeutics shares in Q2 2026, an estimated $499K.
  • Janux Therapeutics made up 0.02% of XTX Topco's portfolio in Q2 2026, its #1631 holding.
  • XTX Topco first reported a position in Janux Therapeutics in Q2 2023 and has held it in 5 quarters since.
  • XTX Topco's Janux Therapeutics position peaked at $2.23M in Q4 2025.
  • 197 funds tracked by Wall St. Rank held Janux Therapeutics as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.