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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, Q4 2023

Institutional positions in CytomX Therapeutics, Inc. as of Dec 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
68
+6 vs. Q3 2023
Shares held
32.6M
+248.1K (+0.8%) vs. Q3 2023
Total value
$50.6M
+$8.81M (+21.1%) vs. Q3 2023
New holders
9
16 more added
Sold out
3
20 more reduced

Compare with Q3 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 holdersQ4 2023: 68 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 heldQ4 2023: $50.6M
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, Q4 2023

Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding CTMX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc6,595,801$10.2M0.26%00.0%Unchanged
Tang Capital Management LLC6,550,000$10.2M0.94%+100,000+1.6%Added
Vanguard Group Inc4,902,943$7.60M0.00%00.0%Unchanged
Acadian Asset Management LLC2,646,190$4.10M0.02%00.0%Unchanged
Renaissance Technologies LLC1,325,700$2.06M0.00%+395,600+42.5%Added
BlackRock Inc.1,136,135$1.76M0.00%−3,501−0.3%Reduced
Laurion Capital Management LP1,093,921$1.70M0.06%−94,304−7.9%Reduced
Bronte Capital Management Pty Ltd.919,911$1.43M0.13%−5,334−0.6%Reduced
Millennium Management LLC794,047$1.23M0.00%+95,141+13.6%Added
Jacobs Levy Equity Management, Inc791,421$1.23M0.01%−260,684−24.8%Reduced
Geode Capital Management, LLC702,654$1.09M0.00%+26,311+3.9%Added
FMR LLC565,324$876.3K0.00%−142,644−20.1%Reduced
Bridgeway Capital Management, LLC434,524$673.5K0.01%+62,400+16.8%Added
Assenagon Asset Management S.A.404,674$627.2K0.00%−21,247−5.0%Reduced
Marshall Wace, LLP363,276$563.1K0.00%−14,317−3.8%Reduced
Formidable Asset Management, LLC306,107$474.5K0.10%−12,004−3.8%Reduced
Toroso Investments, LLC306,107$474.5K0.01%−12,004−3.8%Reduced
State Street Corp267,476$414.6K0.00%00.0%Unchanged
Bank of New York Mellon Corp266,836$413.6K0.00%00.0%Unchanged
Citadel Advisors LLC253,283$392.6K0.00%+193,117+321.0%Added
Congress Park Capital LLC239,300$370.9K0.18%+126,850+112.8%Added
Clearline Capital LP196,583$304.7K0.03%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.196,520$304.6K0.00%+50,586+34.7%Added
Squarepoint Ops LLC150,533$233.3K0.00%−23,092−13.3%Reduced
Northern Trust Corp135,302$209.7K0.00%+15,383+12.8%Added
LPL Financial LLC110,265$170.9K0.00%+4,873+4.6%Added
Gsa Capital Partners LLP104,162$161.0K0.01%+104,162New
Cornercap Investment Counsel Inc81,352$126.1K0.02%00.0%Unchanged
Morgan Stanley78,921$122.3K0.00%+15,261+24.0%Added
Private Advisor Group, LLC73,179$113.4K0.00%00.0%Unchanged
Bank of Montreal71,300$112.7K0.00%+71,300New
Commonwealth Equity Services, LLC53,243$83.0K0.00%00.0%Unchanged
Tudor Investment Corp Et Al44,730$69.3K0.00%00.0%Unchanged
Russell Investments Group, Ltd.41,725$64.7K0.00%−3,901−8.5%Reduced
Two Sigma Advisers, LP41,200$63.9K0.00%−66,700−61.8%Reduced
Susquehanna International Group, LLP38,992$60.4K0.00%−49,578−56.0%Reduced
Susquehanna Portfolio Strategies, LLC31,869$49.4K0.00%+31,869New
Forefront Analytics, LLC30,846$47.8K0.02%−18,575−37.6%Reduced
Jane Street Group, LLC29,239$45.3K0.00%+29,239New
Franklin Resources Inc26,838$41.6K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc24,817$38.5K0.00%00.0%Unchanged
AlphaMark Advisors, LLC23,183$36.0K0.01%+12,635+119.8%Added
XTX Topco Ltd20,273$31.4K0.01%+20,273New
UBS Group AG20,047$31.1K0.00%+1,344+7.2%Added
Mackenzie Financial Corp19,679$30.5K0.00%+4,042+25.8%Added
Bank of America Corp17,779$27.6K0.00%−7,786−30.5%Reduced
WestHill Financial Advisors, Inc.17,082$26.5K0.01%00.0%Unchanged
Prudential Financial Inc16,300$25.3K0.00%00.0%Unchanged
Two Sigma Investments, LP14,141$21.9K0.00%−35,951−71.8%Reduced
IPG Investment Advisors LLC12,500$19.4K0.00%+12,500New
D. E. Shaw & Co., Inc.11,577$17.9K0.00%−61,917−84.2%Reduced
Vontobel Holding Ltd.10,000$15.5K0.00%00.0%Unchanged
Byrne Asset Management LLC8,000$12.4K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)7,184$11.1K0.00%−1,047−12.7%Reduced
Whittier Trust Co6,604$10.2K0.00%00.0%Unchanged
Federated Hermes, Inc.3,485$5.40K0.00%+2,070+146.3%Added
Rhumbline Advisers1,291$2.00K0.00%00.0%Unchanged
Cutler Group LP1,000$1.00K0.00%00.0%Unchanged
Bollard Group LLC712$1.00K0.00%00.0%Unchanged
Royal Bank of Canada798$1.00K0.00%+798New
Lazard Asset Management LLC1,251$1.00K0.00%+1,251New
Group One Trading, L.P.637$9870.00%00.0%Unchanged
Wells Fargo & Company515$7980.00%+28+5.7%Added
JPMorgan Chase & Co281$4360.00%−1,449−83.8%Reduced
Advisory Services Network, LLC274$4250.00%+274New
Qube Research & Technologies Ltd259$4010.00%00.0%Unchanged
Raleigh Capital Management Inc.250$3880.00%00.0%Unchanged
BNP Paribas Arbitrage, SA78$1210.00%−158−66.9%Reduced
UBS Oconnor LLC0$00.00%−259,965−100.0%Sold out
Invesco Ltd.0$00.00%−22,071−100.0%Sold out
Ground Swell Capital, LLC0$00.00%−10,966−100.0%Sold out