Jane Street’s Kyverna Therapeutics KYTX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$176K Buy
19,800
+4,300
+28% +$38.2K ﹤0.01% 10226
2026
Q1
$134K Buy
15,500
+2,300
+17% +$19.2K ﹤0.01% 10473
2025
Q4
$124K Sell
13,200
-1,800
-12% -$13.4K ﹤0.01% 10062
2025
Q3
$90K Buy
+15,000
New +$60K ﹤0.01% 10178

Other funds holding KYTX

Jane Street's KYTX Position: Q2 2026 in Review

Jane Street reduced its Kyverna Therapeutics (KYTX) stake by 83% in Q2 2026, selling an estimated $771K and leaving 17,314 shares worth $154K. The position accounts for ﹤0.01% of the portfolio, ranked #10325.

Jane Street first reported a position in KYTX in Q1 2024 and has held it in 8 quarters since. The position peaked at $1.71M in Q4 2025. 120 funds tracked by Wall St. Rank hold KYTX as of Q2 2026.

  • Jane Street held 17,314 shares of Kyverna Therapeutics worth $154K as of Q2 2026.
  • Jane Street sold 86,900 Kyverna Therapeutics shares in Q2 2026, an estimated $771K.
  • Kyverna Therapeutics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10325 holding.
  • Jane Street first reported a position in Kyverna Therapeutics in Q1 2024 and has held it in 8 quarters since.
  • Jane Street's Kyverna Therapeutics position peaked at $1.71M in Q4 2025.
  • 120 funds tracked by Wall St. Rank held Kyverna Therapeutics as of Q2 2026.

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