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RTW Investments’s CytomX Therapeutics CTMX Stock Holding History

RTW Investments’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
2025
Q4 		– Sell
-3,461,500
Closed -$11M – 95
2025
Q3 		$11M Hold
3,461,500
– – 0.14% 61
2025
Q2 		$7.86M Buy
+3,461,500
New +$5.58M 0.11% 62
2024
Q3 		– Sell
-1,200,002
Closed -$1.46M – 70
2024
Q2 		$1.46M Buy
+1,200,002
New +$2.39M 0.02% 66
2022
Q3 		– Sell
-2,849,707
Closed -$5.21M – 91
2022
Q2 		$5.21M Sell
2,849,707
-2,929,993
-51% -$5.61M 0.13% 77
2022
Q1 		$15.4M Sell
5,779,700
-250,000
-4% -$960K 0.32% 59
2021
Q4 		$26.1M Buy
6,029,700
+4,628,761
+330% +$27.1M 0.38% 58
2021
Q3 		$7.13M Hold
1,400,939
– – 0.11% 85
2021
Q2 		$8.87M Sell
1,400,939
-132,819
-9% -$1.03M 0.13% 77
2021
Q1 		$11.9M Buy
1,533,758
+6,406
+0.4% +$50.7K 0.19% 67
2020
Q4 		$10M Buy
1,527,352
+1,349
+0.1% +$9.64K 0.17% 69
2020
Q3 		$10.1M Buy
1,526,003
+11,527
+0.8% +$85.5K 0.24% 63
2020
Q2 		$12.6M Buy
1,514,476
+447,685
+42% +$4.16M 0.35% 50
2020
Q1 		$8.18M Buy
1,066,791
+27,198
+3% +$190K 0.35% 47
2019
Q4 		$8.64M Buy
1,039,593
+49,130
+5% +$331K 0.33% 52
2019
Q3 		$7.31M Buy
990,463
+2,144
+0.2% +$21.1K 0.43% 45
2019
Q2 		$11.1M Buy
988,319
+23,067
+2% +$242K 0.59% 36
2019
Q1 		$10.4M Buy
965,252
+56,666
+6% +$838K 0.71% 32
2018
Q4 		$13.7M Buy
+908,586
New +$13.5M 1.26% 25

Other funds holding CTMX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

RTW Investments's CTMX Position: Q4 2025 in Review

RTW Investments sold out of CytomX Therapeutics (CTMX) in Q4 2025, closing a stake of 3,461,500 shares — an estimated $11M sold.

RTW Investments first reported a position in CTMX in Q4 2018 and held it in 18 quarters. The position peaked at $26.1M in Q4 2021. 122 funds tracked by Wall St. Rank hold CTMX as of Q4 2025.

  • RTW Investments reported no remaining CytomX Therapeutics position as of Q4 2025 after selling out during the quarter.
  • RTW Investments sold 3,461,500 CytomX Therapeutics shares in Q4 2025, an estimated $11M.
  • RTW Investments first reported a position in CytomX Therapeutics in Q4 2018 and held it in 18 quarters.
  • RTW Investments's CytomX Therapeutics position peaked at $26.1M in Q4 2021.
  • 122 funds tracked by Wall St. Rank held CytomX Therapeutics as of Q4 2025.

Based on RTW Investments's 13F filing for Q4 2025, filed 17 Feb 2026.