RA Capital Management’s CytomX Therapeutics CTMX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-2,661,331
Closed -$8.49M 72
2025
Q3
$8.49M Hold
2,661,331
0.1% 55
2025
Q2
$6.04M Buy
2,661,331
+1,661,331
+166% +$2.68M 0.1% 53
2025
Q1
$636K Buy
+1,000,000
New +$775K 0.01% 84
2021
Q4
Sell
-3,500,000
Closed -$17.8M 99
2021
Q3
$17.8M Hold
3,500,000
0.25% 64
2021
Q2
$22.2M Hold
3,500,000
0.36% 59
2021
Q1
$27.1M Buy
+3,500,000
New +$27.7M 0.41% 51

Other funds holding CTMX

RA Capital Management's CTMX Position: Q4 2025 in Review

RA Capital Management sold out of CytomX Therapeutics (CTMX) in Q4 2025, closing a stake of 2,661,331 shares — an estimated $8.49M sold.

RA Capital Management first reported a position in CTMX in Q1 2021 and held it in 6 quarters. The position peaked at $27.1M in Q1 2021. 122 funds tracked by Wall St. Rank hold CTMX as of Q4 2025.

  • RA Capital Management reported no remaining CytomX Therapeutics position as of Q4 2025 after selling out during the quarter.
  • RA Capital Management sold 2,661,331 CytomX Therapeutics shares in Q4 2025, an estimated $8.49M.
  • RA Capital Management first reported a position in CytomX Therapeutics in Q1 2021 and held it in 6 quarters.
  • RA Capital Management's CytomX Therapeutics position peaked at $27.1M in Q1 2021.
  • 122 funds tracked by Wall St. Rank held CytomX Therapeutics as of Q4 2025.

Based on RA Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.