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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, Q1 2023

Institutional positions in CytomX Therapeutics, Inc. as of Mar 31, 2023. 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
76
−5 vs. Q4 2022
Shares held
35.5M
−437.6K (−1.2%) vs. Q4 2022
Total value
$53.7M
−$3.76M (−6.5%) vs. Q4 2022
New holders
7
12 more added
Sold out
12
36 more reduced

Compare with Q4 2022: 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 holdersQ1 2023: 76 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 heldQ1 2023: $53.7M
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, Q1 2023

Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q4 2022.

Institutions holding CTMX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc6,595,801$9.96M0.36%00.0%Unchanged
Tang Capital Management LLC6,093,032$9.20M1.37%+2,582,587+73.6%Added
Vanguard Group Inc4,915,053$7.42M0.00%+329,332+7.2%Added
Acadian Asset Management LLC2,653,576$4.01M0.02%00.0%Unchanged
Jacobs Levy Equity Management, Inc1,891,386$2.86M0.02%+1,229,494+185.8%Added
Laurion Capital Management LP1,188,225$1.79M0.08%−82,675−6.5%Reduced
BlackRock Inc.1,123,772$1.70M0.00%−176,229−13.6%Reduced
Millennium Management LLC961,042$1.45M0.00%−758,769−44.1%Reduced
Bronte Capital Management Pty Ltd.917,754$1.39M0.16%+917,754New
Renaissance Technologies LLC850,300$1.28M0.00%−490,474−36.6%Reduced
Marshall Wace, LLP729,938$1.10M0.00%+729,938New
FMR LLC705,697$1.07M0.00%−10,949−1.5%Reduced
Assenagon Asset Management S.A.668,032$1.01M0.00%−246,868−27.0%Reduced
Geode Capital Management, LLC642,308$969.9K0.00%+39,233+6.5%Added
Two Sigma Advisers, LP516,100$779.3K0.00%−8,800−1.7%Reduced
Two Sigma Investments, LP467,616$706.1K0.00%−273,108−36.9%Reduced
Newtyn Management, LLC425,000$641.8K0.13%−145,000−25.4%Reduced
Susquehanna International Group, LLP347,786$525.2K0.00%+334,618+2,541.1%Added
Toroso Investments, LLC318,111$480.0K0.02%−27,794−8.0%Reduced
Formidable Asset Management, LLC318,111$480.0K0.10%−1220.0%Reduced
D. E. Shaw & Co., Inc.300,841$454.3K0.00%−317,533−51.3%Reduced
Citadel Advisors LLC278,677$420.8K0.00%−179,241−39.1%Reduced
State Street Corp267,476$403.9K0.00%+43,500+19.4%Added
UBS Oconnor LLC247,157$373.2K0.01%+247,157New
Clearline Capital LP196,583$296.8K0.04%00.0%Unchanged
Bridgeway Capital Management, LLC176,000$265.8K0.01%00.0%Unchanged
Tejara Capital Ltd157,928$238.5K0.12%−78,122−33.1%Reduced
Dimensional Fund Advisors LP156,456$236.1K0.00%−16,116−9.3%Reduced
Morgan Stanley151,375$228.6K0.00%+133,426+743.4%Added
Connor, Clark & Lunn Investment Management Ltd.134,309$202.8K0.00%−16,711−11.1%Reduced
Northern Trust Corp120,000$181.2K0.00%+7,570+6.7%Added
Congress Park Capital LLC100,200$151.3K0.09%+100,200New
Cornercap Investment Counsel Inc82,415$124.4K0.02%−65,939−44.4%Reduced
Private Advisor Group, LLC73,179$110.5K0.00%−10,000−12.0%Reduced
LPL Financial LLC58,765$88.7K0.00%00.0%Unchanged
Russell Investments Group, Ltd.57,055$86.2K0.00%−1,192−2.0%Reduced
Commonwealth Equity Services, LLC53,243$80.0K0.00%00.0%Unchanged
Man Group plc–$76.0K0.00%––
Squarepoint Ops LLC48,856$73.8K0.00%+48,856New
Tower Research Capital LLC (TRC)45,351$69.0K0.00%+12,248+37.0%Added
Tudor Investment Corp Et Al44,730$68.0K0.00%−118,267−72.6%Reduced
Jane Street Group, LLC40,581$61.3K0.00%−978−2.4%Reduced
Bank of America Corp40,031$60.4K0.00%−1,978−4.7%Reduced
Bank of New York Mellon Corp36,152$54.6K0.00%00.0%Unchanged
Franklin Resources Inc34,084$51.5K0.00%00.0%Unchanged
Prudential Financial Inc27,100$40.9K0.00%00.0%Unchanged
UBS Group AG26,793$40.5K0.00%−19,007−41.5%Reduced
Forefront Analytics, LLC26,412$39.9K0.02%+1,625+6.6%Added
Charles Schwab Investment Management Inc24,817$37.5K0.00%−17,404−41.2%Reduced
Virtu Financial LLC24,136$36.0K0.00%+24,136New
Magnus Financial Group LLC20,000$30.2K0.00%00.0%Unchanged
XTX Topco Ltd17,815$26.9K0.01%−11,762−39.8%Reduced
WestHill Financial Advisors, Inc.17,082$25.8K0.01%00.0%Unchanged
Advisor Group Holdings, Inc.15,350$24.6K0.00%−14−0.1%Reduced
Cetera Investment Advisers15,000$22.6K0.00%−5,000−25.0%Reduced
Goldman Sachs Group Inc13,397$20.2K0.00%−90,527−87.1%Reduced
Invesco Ltd.13,065$19.7K0.00%−396−2.9%Reduced
Qube Research & Technologies Ltd13,050$19.7K0.00%−43,231−76.8%Reduced
IPG Investment Advisors LLC12,500$18.9K0.00%00.0%Unchanged
Two Sigma Securities, LLC10,808$16.3K0.00%−17,557−61.9%Reduced
Whittier Trust Co8,363$12.5K0.00%00.0%Unchanged
Byrne Asset Management LLC7,600$11.0K0.01%−6,500−46.1%Reduced
Beacon Capital Management, LLC5,000$7.55K0.00%00.0%Unchanged
AlphaMark Advisors, LLC4,533$7.00K0.00%+4,533New
FNY Investment Advisers, LLC4,500$6.00K0.01%−60,500−93.1%Reduced
JPMorgan Chase & Co1,730$3.00K0.00%00.0%Unchanged
Federated Hermes, Inc.1,415$2.14K0.00%−2,127−60.1%Reduced
Group One Trading, L.P.1,135$1.71K0.00%+939+479.1%Added
Cutler Group LP1,000$1.00K0.00%−200−16.7%Reduced
Bollard Group LLC712$1.00K0.00%00.0%Unchanged
Wells Fargo & Company457$6900.00%+7+1.6%Added
Advisory Services Network, LLC412$6220.00%00.0%Unchanged
Raleigh Capital Management Inc.250$3780.00%00.0%Unchanged
BNP Paribas Arbitrage, SA17$260.00%−3−15.0%Reduced
Royal Bank of Canada100$00.00%00.0%Unchanged
IFP Advisors, Inc222––00.0%Unchanged
Rubric Capital Management LP0$00.00%−2,406,449−100.0%Sold out
Platinum Investment Management Ltd0$00.00%−635,798−100.0%Sold out
Oasis Management Co Ltd.0$00.00%−540,541−100.0%Sold out
Bank of Montreal0$00.00%−69,600−100.0%Sold out
CM Management, LLC0$00.00%−75,000−100.0%Sold out
Alpine Global Management, LLC0$00.00%−47,723−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−34,800−100.0%Sold out
Verition Fund Management LLC0$00.00%−27,296−100.0%Sold out
Belvedere Trading LLC0$00.00%−24,200−100.0%Sold out
Mackenzie Financial Corp0$00.00%−15,639−100.0%Sold out
Engineers Gate Manager LP0$00.00%−10,135−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−1,864−100.0%Sold out