Jane Street’s CytomX Therapeutics CTMX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-67,600
Closed -$318K 11777
2026
Q1
$318K Buy
+67,600
New +$343K ﹤0.01% 9117
2025
Q4
Sell
-12,800
Closed -$40.8K 11306
2025
Q3
$40.8K Buy
+12,800
New +$28.8K ﹤0.01% 10399

Other funds holding CTMX

Jane Street's CTMX Position: Q2 2026 in Review

Jane Street sold out of CytomX Therapeutics (CTMX) in Q2 2026, closing a stake of 997,510 shares — an estimated $3.81M sold.

Jane Street first reported a position in CTMX in Q2 2020 and held it in 20 quarters. The position peaked at $4.69M in Q1 2026. 178 funds tracked by Wall St. Rank hold CTMX as of Q2 2026.

  • Jane Street reported no remaining CytomX Therapeutics position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 997,510 CytomX Therapeutics shares in Q2 2026, an estimated $3.81M.
  • Jane Street first reported a position in CytomX Therapeutics in Q2 2020 and held it in 20 quarters.
  • Jane Street's CytomX Therapeutics position peaked at $4.69M in Q1 2026.
  • 178 funds tracked by Wall St. Rank held CytomX Therapeutics as of Q2 2026.

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