Skip to main content

CytomX Therapeutics, Inc.

CTMX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001501989

No open-market purchases or sales by CytomX Therapeutics, Inc. insiders were filed in the last 90 days; 178 institutions reported holding it in 13F filings for Q2 2026, worth $799.0M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in CytomX Therapeutics, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
83
+17 vs. Q1 2025
Shares held
133.3M
+88.0M (+194.4%) vs. Q1 2025
Total value
$302.6M
+$273.8M (+950.3%) vs. Q1 2025
New holders
29
27 more added
Sold out
12
17 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CTMX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 83 institutions
Q1 2021: 126 institutionsQ2 2021: 122 institutionsQ3 2021: 114 institutionsQ4 2021: 110 institutionsQ1 2022: 119 institutionsQ2 2022: 99 institutionsQ3 2022: 84 institutionsQ4 2022: 81 institutionsQ1 2023: 76 institutionsQ2 2023: 67 institutionsQ3 2023: 62 institutionsQ4 2023: 68 institutionsQ1 2024: 88 institutionsQ2 2024: 74 institutionsQ3 2024: 69 institutionsQ4 2024: 70 institutionsQ1 2025: 66 institutionsQ2 2025: 83 institutionsQ3 2025: 103 institutionsQ4 2025: 122 institutionsQ1 2026: 179 institutionsQ2 2026: 178 institutions
Value heldQ2 2025: $302.6M
Q1 2021: $422.2MQ2 2021: $358.9MQ3 2021: $274.8MQ4 2021: $236.5MQ1 2022: $143.4MQ2 2022: $83.4MQ3 2022: $52.6MQ4 2022: $57.5MQ1 2023: $53.7MQ2 2023: $58.7MQ3 2023: $41.8MQ4 2023: $50.6MQ1 2024: $97.1MQ2 2024: $61.9MQ3 2024: $60.4MQ4 2024: $48.1MQ1 2025: $28.8MQ2 2025: $302.6MQ3 2025: $438.4MQ4 2025: $613.9MQ1 2026: $911.2MQ2 2026: $799.0M
Institutions holding CTMX and their total value by quarter
QuarterHoldersValue
Q2 2026178$799.0M
Q1 2026179$911.2M
Q4 2025122$613.9M
Q3 2025103$438.4M
Q2 202583$302.6M
Q1 202566$28.8M
Q4 202470$48.1M
Q3 202469$60.4M
Q2 202474$61.9M
Q1 202488$97.1M
Q4 202368$50.6M
Q3 202362$41.8M
Q2 202367$58.7M
Q1 202376$53.7M
Q4 202281$57.5M
Q3 202284$52.6M
Q2 202299$83.4M
Q1 2022119$143.4M
Q4 2021110$236.5M
Q3 2021114$274.8M
Q2 2021122$358.9M
Q1 2021126$422.2M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding CTMX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
VR Adviser, LLC13,969,882$31.7M2.38%+13,969,882New
Tang Capital Management LLC11,065,662$25.1M1.27%+4,347,837+64.7%Added
Vanguard Group Inc9,379,794$21.3M0.00%+4,262,418+83.3%Added
FMR LLC9,238,868$21.0M0.00%+9,130,557+8,429.9%Added
OrbiMed Advisors LLC8,461,500$19.2M0.48%+8,461,500New
Point72 Asset Management, L.P.8,084,623$18.4M0.04%+5,434,623+205.1%Added
Commodore Capital LP7,692,300$17.5M1.23%+7,692,300New
Perceptive Advisors LLC6,993,646$15.9M0.60%+6,993,646New
Franklin Resources Inc5,769,230$13.1M0.00%+5,769,230New
Vivo Capital, LLC5,769,230$13.1M1.34%+5,769,230New
Fairmount Funds Management LLC3,896,582$8.85M1.15%+3,896,582New
Prosight Management, LP3,517,113$7.98M1.95%−412,895−10.5%Reduced
Baker Bros. Advisors LP3,484,226$7.91M0.08%+3,484,226New
RTW Investments, LP3,461,500$7.86M0.11%+3,461,500New
ADAR1 Capital Management, LLC3,081,414$6.99M1.14%+3,034,378+6,451.2%Added
Balyasny Asset Management LLC2,865,625$6.50M0.01%+2,865,625New
Ra Capital Management, L.P.2,661,331$6.04M0.10%+1,661,331+166.1%Added
BlackRock, Inc.2,388,453$5.42M0.00%+1,222,069+104.8%Added
Marshall Wace, LLP2,353,122$5.34M0.01%+2,267,583+2,650.9%Added
Woodline Partners LP2,336,899$5.30M0.03%+679,593+41.0%Added
Kynam Capital Management, LP2,154,413$4.89M0.53%+2,154,413New
Renaissance Technologies LLC1,862,200$4.23M0.01%+706,200+61.1%Added
Geode Capital Management, LLC1,745,176$3.96M0.00%+887,218+103.4%Added
Acadian Asset Management LLC1,557,036$3.53M0.01%−1,676,999−51.9%Reduced
Soleus Capital Management, L.P.1,304,300$2.96M0.20%+1,304,300New
Readystate Asset Management LP844,643$1.92M0.08%+844,643New
Assenagon Asset Management S.A.720,020$1.63M0.00%+8,566+1.2%Added
State Street Corp639,040$1.45M0.00%+318,997+99.7%Added
Gsa Capital Partners LLP630,809$1.43M0.10%−132,121−17.3%Reduced
Northern Trust Corp450,107$1.02M0.00%+299,475+198.8%Added
UBS Group AG408,035$926.2K0.00%−338,753−45.4%Reduced
Morgan Stanley339,206$770.0K0.00%+278,622+459.9%Added
Formidable Asset Management, LLC312,850$710.2K0.12%−40,990−11.6%Reduced
Toroso Investments, LLC312,850$710.2K0.00%−40,990−11.6%Reduced
Susquehanna International Group, LLP291,896$662.6K0.00%+263,162+915.9%Added
Raymond James Financial Inc283,560$643.7K0.00%+283,560New
EAM Investors, LLC254,580$577.9K0.09%+254,580New
Bank of New York Mellon Corp252,659$573.5K0.00%+10,679+4.4%Added
Royal Bank of Canada243,547$552.0K0.00%+243,547New
Millennium Management LLC233,339$529.7K0.00%−2,592,937−91.7%Reduced
LPL Financial LLC201,224$456.8K0.00%+158,909+375.5%Added
Dimensional Fund Advisors LP183,166$415.8K0.00%+183,166New
Two Sigma Investments, LP157,681$357.9K0.00%+41,206+35.4%Added
Bridgeway Capital Management, LLC126,000$286.0K0.01%−180,624−58.9%Reduced
XTX Topco Ltd121,899$276.7K0.01%+121,899New
Aspire Growth Partners LLC102,254$232.1K0.19%+10,000+10.8%Added
Susquehanna Portfolio Strategies, LLC99,410$225.7K0.00%+99,410New
Congress Park Capital LLC95,422$216.6K0.07%−578,264−85.8%Reduced
Charles Schwab Investment Management Inc88,570$201.1K0.00%+63,693+256.0%Added
Citadel Advisors LLC85,509$194.1K0.00%+85,409+85,409.0%Added
Velan Capital Investment Management LP75,000$170.3K0.17%00.0%Unchanged
Commonwealth Equity Services, LLC53,243$121.0K0.00%−1,000−1.8%Reduced
Miller Financial Services LLC51,000$115.8K0.15%00.0%Unchanged
Bayesian Capital Management, LP50,117$113.8K0.02%+50,117New
Squarepoint Ops LLC49,392$112.1K0.00%+49,392New
Two Sigma Securities, LLC47,311$107.4K0.01%+47,311New
Private Advisor Group, LLC44,002$99.9K0.00%00.0%Unchanged
Lazard Asset Management LLC43,316$98.0K0.00%+42,500+5,208.3%Added
Virtu Financial LLC35,136$80.0K0.00%+23,339+197.8%Added
Tower Research Capital LLC (TRC)29,661$67.3K0.00%+19,384+188.6%Added
JustInvest LLC28,966$65.8K0.00%+11,258+63.6%Added
Forefront Analytics, LLC27,698$62.9K0.07%−72,372−72.3%Reduced
Prudential Financial Inc25,700$58.3K0.00%−55,800−68.5%Reduced
WestHill Financial Advisors, Inc.17,082$38.8K0.01%00.0%Unchanged
Advisor Group Holdings, Inc.16,210$36.8K0.00%+860+5.6%Added
Truvestments Capital LLC14,868$33.8K0.01%+14,868New
Goldman Sachs Group Inc14,678$33.3K0.00%−47,041−76.2%Reduced
Icapital Wealth LLC14,492$32.9K0.02%+14,492New
Invesco Ltd.14,171$32.2K0.00%+14,171New
Nierenberg Investment Management Company, Inc.12,555$28.5K0.02%00.0%Unchanged
IPG Investment Advisors LLC12,500$28.4K0.01%00.0%Unchanged
Victory Capital Management Inc12,435$28.2K0.00%+12,435New
Jane Street Group, LLC11,968$27.2K0.00%−7,994−40.0%Reduced
Peregrine Asset Advisers, Inc.10,000$22.7K0.01%00.0%Unchanged
Meridian Wealth Management, LLC10,000$22.7K0.00%00.0%Unchanged
Bank of America Corp4,771$10.8K0.00%−459,083−99.0%Reduced
Private Wealth Asset Management, LLC4,000$9.08K0.00%+4,000New
Caitong International Asset Management Co., Ltd1,656$3.76K0.00%+1,656New
Federated Hermes, Inc.398$9030.00%+398New
JPMorgan Chase & Co281$6380.00%−105,013−99.7%Reduced
SBI Securities Co., Ltd.84$1910.00%−24−22.2%Reduced
BNP Paribas Arbitrage, SA17$390.00%00.0%Unchanged
Barclays PLC2$50.00%00.0%Unchanged
BVF Inc0$00.00%−5,228,461−100.0%Sold out
Laurion Capital Management LP0$00.00%−1,293,686−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−686,208−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−589,332−100.0%Sold out
SEI Investments Co0$00.00%−487,902−100.0%Sold out
Universal- Beteiligungs- und Servicegesellschaft mbH0$00.00%−97,123−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−54,808−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−44,576−100.0%Sold out
Simplex Trading, LLC0$00.00%−33,853−100.0%Sold out
Traphagen Investment Advisors LLC0$00.00%−30,500−100.0%Sold out
US Bancorp0$00.00%−7,392−100.0%Sold out
Group One Trading, L.P.0$00.00%−4,124−100.0%Sold out