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XTX Topco’s CytomX Therapeutics CTMX Stock Holding History

XTX Topco’s Portfolio CTMX Stock Details CTMX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$176K Sell
46,981
-30,880
-40% -$118K ﹤0.01% 3308
2026
Q1 		$366K Buy
77,861
+29,870
+62% +$152K 0.01% 2305
2025
Q4 		$204K Buy
47,991
+18,705
+64% +$71.1K 0.01% 2386
2025
Q3 		$93.4K Sell
29,286
-92,613
-76% -$209K ﹤0.01% 2036
2025
Q2 		$277K Buy
+121,899
New +$196K 0.01% 1492
2025
Q1 		– Sell
-32,922
Closed -$33.9K – 2528
2024
Q4 		$33.9K Sell
32,922
-10,742
-25% -$11.6K ﹤0.01% 1962
2024
Q3 		$51.5K Sell
43,664
-16,922
-28% -$21.5K ﹤0.01% 1690
2024
Q2 		$73.9K Buy
60,586
+48,033
+383% +$95.6K 0.01% 1458
2024
Q1 		$27.4K Sell
12,553
-7,720
-38% -$14.2K ﹤0.01% 1571
2023
Q4 		$31.4K Buy
+20,273
New +$26.7K 0.01% 1300
2023
Q2 		– Sell
-17,815
Closed -$26.9K – 1482
2023
Q1 		$26.9K Sell
17,815
-11,762
-40% -$26.6K 0.01% 1201
2022
Q4 		$47.3K Sell
29,577
-15,271
-34% -$22.6K 0.01% 1046
2022
Q3 		$65K Sell
44,848
-55,756
-55% -$85.8K 0.02% 1002
2022
Q2 		$184K Sell
100,604
-17,735
-15% -$34K 0.08% 486
2022
Q1 		$316K Buy
118,339
+108,174
+1,064% +$415K 0.14% 250
2021
Q4 		$44K Buy
+10,165
New +$59.5K 0.02% 578
2021
Q3 		– Sell
-21,422
Closed -$136K – 748
2021
Q2 		$136K Buy
+21,422
New +$167K 0.05% 623

Other funds holding CTMX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return

XTX Topco's CTMX Position: Q2 2026 in Review

XTX Topco reduced its CytomX Therapeutics (CTMX) stake by 40% in Q2 2026, selling an estimated $118K and leaving 46,981 shares worth $176K. The position accounts for ﹤0.01% of the portfolio, ranked #3308.

XTX Topco first reported a position in CTMX in Q2 2021 and has held it in 17 quarters since. The position peaked at $366K in Q1 2026. 178 funds tracked by Wall St. Rank hold CTMX as of Q2 2026.

  • XTX Topco held 46,981 shares of CytomX Therapeutics worth $176K as of Q2 2026.
  • XTX Topco sold 30,880 CytomX Therapeutics shares in Q2 2026, an estimated $118K.
  • CytomX Therapeutics made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3308 holding.
  • XTX Topco first reported a position in CytomX Therapeutics in Q2 2021 and has held it in 17 quarters since.
  • XTX Topco's CytomX Therapeutics position peaked at $366K in Q1 2026.
  • 178 funds tracked by Wall St. Rank held CytomX Therapeutics as of Q2 2026.

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