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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, Q3 2023

Institutional positions in CytomX Therapeutics, Inc. as of Sep 30, 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
62
−5 vs. Q2 2023
Shares held
32.4M
−1.73M (−5.1%) vs. Q2 2023
Total value
$41.8M
−$16.9M (−28.8%) vs. Q2 2023
New holders
3
11 more added
Sold out
8
25 more reduced

Compare with Q2 2023: 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 holdersQ3 2023: 62 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 heldQ3 2023: $41.8M
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, Q3 2023

Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q2 2023.

Institutions holding CTMX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc6,595,801$8.51M0.23%00.0%Unchanged
Tang Capital Management LLC6,450,000$8.32M1.17%−150,000−2.3%Reduced
Vanguard Group Inc4,902,943$6.32M0.00%00.0%Unchanged
Acadian Asset Management LLC2,646,190$3.41M0.01%−7,386−0.3%Reduced
Laurion Capital Management LP1,188,225$1.53M0.04%00.0%Unchanged
BlackRock Inc.1,139,636$1.47M0.00%−8,180−0.7%Reduced
Jacobs Levy Equity Management, Inc1,052,105$1.36M0.01%−569,304−35.1%Reduced
Renaissance Technologies LLC930,100$1.20M0.00%−192,300−17.1%Reduced
Bronte Capital Management Pty Ltd.925,245$1.19M0.12%00.0%Unchanged
FMR LLC707,968$913.3K0.00%−19,412−2.7%Reduced
Millennium Management LLC698,906$901.6K0.00%+49,608+7.6%Added
Geode Capital Management, LLC676,343$872.7K0.00%+32,256+5.0%Added
Assenagon Asset Management S.A.425,921$549.4K0.00%−242,111−36.2%Reduced
Marshall Wace, LLP377,593$487.1K0.00%−296,908−44.0%Reduced
Bridgeway Capital Management, LLC372,124$480.0K0.01%+134,100+56.3%Added
Formidable Asset Management, LLC318,111$410.4K0.09%00.0%Unchanged
Toroso Investments, LLC318,111$410.4K0.01%00.0%Unchanged
State Street Corp267,476$345.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp266,836$344.2K0.00%+234,970+737.4%Added
UBS Oconnor LLC259,965$335.4K0.01%00.0%Unchanged
Clearline Capital LP196,583$253.6K0.03%00.0%Unchanged
Squarepoint Ops LLC173,625$224.0K0.00%−10,869−5.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.145,934$188.3K0.00%−10,106−6.5%Reduced
Northern Trust Corp119,919$154.7K0.00%+305+0.3%Added
Congress Park Capital LLC112,450$145.1K0.08%+6,300+5.9%Added
Two Sigma Advisers, LP107,900$139.2K0.00%−121,500−53.0%Reduced
LPL Financial LLC105,392$136.0K0.00%+7,127+7.3%Added
Susquehanna International Group, LLP88,570$114.3K0.00%−1,672−1.9%Reduced
Cornercap Investment Counsel Inc81,352$104.9K0.02%−1,063−1.3%Reduced
D. E. Shaw & Co., Inc.73,494$94.8K0.00%−56,966−43.7%Reduced
Private Advisor Group, LLC73,179$94.4K0.00%00.0%Unchanged
Morgan Stanley63,660$82.1K0.00%−20,616−24.5%Reduced
Citadel Advisors LLC60,166$77.6K0.00%+51,312+579.5%Added
Commonwealth Equity Services, LLC53,243$69.0K0.00%00.0%Unchanged
Two Sigma Investments, LP50,092$64.6K0.00%−88,355−63.8%Reduced
Forefront Analytics, LLC49,421$63.8K0.04%−175−0.4%Reduced
Russell Investments Group, Ltd.45,626$58.9K0.00%−8,079−15.0%Reduced
Tudor Investment Corp Et Al44,730$57.7K0.00%00.0%Unchanged
Franklin Resources Inc26,838$34.6K0.00%−7,246−21.3%Reduced
Bank of America Corp25,565$33.0K0.00%−5,697−18.2%Reduced
Charles Schwab Investment Management Inc24,817$32.0K0.00%00.0%Unchanged
Invesco Ltd.22,071$28.5K0.00%+2,613+13.4%Added
UBS Group AG18,703$24.1K0.00%−2,737−12.8%Reduced
WestHill Financial Advisors, Inc.17,082$22.0K0.01%00.0%Unchanged
Prudential Financial Inc16,300$21.0K0.00%−8,400−34.0%Reduced
Mackenzie Financial Corp15,637$19.4K0.00%+15,637New
Ground Swell Capital, LLC10,966$14.1K0.02%+10,966New
AlphaMark Advisors, LLC10,548$14.0K0.01%00.0%Unchanged
Vontobel Holding Ltd.10,000$12.9K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)8,231$10.6K0.00%−112−1.3%Reduced
Byrne Asset Management LLC8,000$10.0K0.01%00.0%Unchanged
Whittier Trust Co6,604$8.45K0.00%−1,759−21.0%Reduced
JPMorgan Chase & Co1,730$2.23K0.00%00.0%Unchanged
Federated Hermes, Inc.1,415$1.82K0.00%00.0%Unchanged
Rhumbline Advisers1,291$1.67K0.00%00.0%Unchanged
Cutler Group LP1,000$1.00K0.00%00.0%Unchanged
Bollard Group LLC712$1.00K0.00%00.0%Unchanged
Group One Trading, L.P.637$8220.00%−2,998−82.5%Reduced
Wells Fargo & Company487$6280.00%+9+1.9%Added
Qube Research & Technologies Ltd259$3340.00%+259New
Raleigh Capital Management Inc.250$3230.00%00.0%Unchanged
BNP Paribas Arbitrage, SA236$3040.00%+61+34.9%Added
Gsa Capital Partners LLP0$00.00%−344,169−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−35,865−100.0%Sold out
Jane Street Group, LLC0$00.00%−19,364−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−15,350−100.0%Sold out
IPG Investment Advisors LLC0$00.00%−12,500−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−10,217−100.0%Sold out
Royal Bank of Canada0$00.00%−484−100.0%Sold out
Simplex Trading, LLC0$00.00%−709−100.0%Sold out