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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 2021

Institutional positions in CytomX Therapeutics, Inc. as of Sep 30, 2021. 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
114
−7 vs. Q2 2021
Shares held
54.0M
−2.65M (−4.7%) vs. Q2 2021
Total value
$274.8M
−$83.7M (−23.4%) vs. Q2 2021
New holders
10
36 more added
Sold out
17
45 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 114 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 2021: $274.8M
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 2021

Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q2 2021.

Institutions holding CTMX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Goldman Sachs Group Inc1,109,065$5.64M0.00%+157,048+16.5%Added
Geode Capital Management, LLC1,123,083$5.72M0.00%−29,927−2.6%Reduced
Altium Capital Management LP1,233,642$6.28M1.68%+371,225+43.0%Added
Jacobs Levy Equity Management, Inc1,394,070$7.10M0.05%−19,797−1.4%Reduced
RTW Investments, LP1,400,939$7.13M0.11%00.0%Unchanged
Great Point Partners LLC1,500,000$7.63M1.81%+500,000+50.0%Added
OrbiMed Advisors LLC1,821,868$9.27M0.10%+308,700+20.4%Added
Victory Capital Management Inc3,269,112$16.6M0.02%+400,126+13.9%Added
Candriam Luxembourg S.C.A.3,305,940$16.8M0.11%+977,587+42.0%Added
Ra Capital Management, L.P.3,500,000$17.8M0.25%00.0%Unchanged
State Street Corp4,036,937$20.5M0.00%−579,625−12.6%Reduced
BlackRock Inc.5,052,601$25.7M0.00%−28,022−0.6%Reduced
Vanguard Group Inc5,516,321$28.1M0.00%+158,236+3.0%Added
Point72 Asset Management, L.P.6,303,025$32.1M0.15%−90,875−1.4%Reduced
Perceptive Advisors LLC0$00.00%−1,640,957−100.0%Sold out
Citadel Advisors LLC0$00.00%−769,766−100.0%Sold out
Bank of Montreal0$00.00%−195,157−100.0%Sold out
Jane Street Group, LLC0$00.00%−84,724−100.0%Sold out
SEI Investments Co0$00.00%−64,469−100.0%Sold out
Engineers Gate Manager LP0$00.00%−55,035−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−39,463−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−22,840−100.0%Sold out
XTX Topco Ltd0$00.00%−21,422−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−18,101−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−15,182−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−13,175−100.0%Sold out
Diversified Trust Co0$00.00%−10,582−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−10,059−100.0%Sold out
Group One Trading, L.P.0$00.00%−1,800−100.0%Sold out
Advisory Services Network, LLC0$00.00%−412−100.0%Sold out
Meeder Asset Management Inc0$00.00%−92−100.0%Sold out
QS Investors, LLC––––Not filed