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 2026

Institutional positions in CytomX Therapeutics, Inc. as of Jun 30, 2026. 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
178
+1 vs. Q1 2026
Shares held
213.0M
+19.3M (+9.9%) vs. Q1 2026
Total value
$799.0M
−$111.7M (−12.3%) vs. Q1 2026
New holders
46
70 more added
Sold out
45
33 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 178 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 2026: $799.0M
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 2026

Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding CTMX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC32,714,937$122.7M0.01%+759,300+2.4%Added
Kynam Capital Management, LP21,703,093$81.4M4.50%+6,690,000+44.6%Added
BlackRock, Inc.17,559,822$65.8M0.00%+12,331,542+235.9%Added
Bank of America Corp15,082,617$56.6M0.00%+4,879,832+47.8%Added
State Street Corp11,747,236$44.1M0.00%+6,083,828+107.4%Added
Perceptive Advisors LLC10,439,185$39.1M0.61%+340,361+3.4%Added
Vanguard Capital Management LLC8,525,457$32.0M0.00%−207,661−2.4%Reduced
Point72 Asset Management, L.P.7,811,033$29.3M0.04%−64,357−0.8%Reduced
Wellington Management Group LLP5,168,961$19.4M0.00%+1,585,976+44.3%Added
VR Adviser, LLC4,982,124$18.7M0.57%−5,000,000−50.1%Reduced
Baker Bros. Advisors LP4,975,826$18.7M0.09%00.0%Unchanged
Geode Capital Management, LLC4,678,716$17.5M0.00%+2,612,104+126.4%Added
Elmind Capital, LP4,550,000$17.1M4.29%00.0%Unchanged
Nextech Invest, Ltd.4,449,932$16.7M0.79%00.0%Unchanged
Two Sigma Investments, LP4,132,643$15.5M0.01%+1,422,487+52.5%Added
Eversept Partners, LP3,558,497$13.3M0.73%+369,983+11.6%Added
UBS Group AG3,468,359$13.0M0.00%+348,204+11.2%Added
Siren, L.L.C.3,457,711$13.0M0.26%00.0%Unchanged
ADAR1 Capital Management, LLC3,365,118$12.6M0.59%−45,072−1.3%Reduced
Citadel Advisors LLC3,110,509$11.7M0.01%−2,295,684−42.5%Reduced
Marshall Wace, LLP3,024,351$11.3M0.01%−1,113,825−26.9%Reduced
Woodline Partners LP2,040,210$7.65M0.02%+39,385+2.0%Added
Goldman Sachs Group Inc2,003,652$7.51M0.00%+543,813+37.3%Added
Dimensional Fund Advisors LP1,860,290$6.98M0.00%−70,630−3.7%Reduced
Qube Research & Technologies Ltd1,824,564$6.84M0.01%−425,019−18.9%Reduced
Vanguard Portfolio Management LLC1,751,167$6.57M0.00%+956,412+120.3%Added
Millennium Management LLC1,685,830$6.32M0.00%−1,974,360−53.9%Reduced
Northern Trust Corp1,675,183$6.28M0.00%+1,063,042+173.7%Added
Tudor Investment Corp Et Al1,380,687$5.18M0.02%+1,380,687New
Vanguard Fiduciary Trust Co1,267,430$4.75M0.00%+164,547+14.9%Added
Seven Fleet Capital Management LP1,085,398$4.07M0.67%00.0%Unchanged
Sphera Funds Management Ltd.879,000$3.30M0.47%+659,000+299.5%Added
Ally Bridge Group (NY) LLC775,000$2.91M3.75%−125,000−13.9%Reduced
DV Equities, LLC714,000$2.68M0.39%+714,000New
Gilder Gagnon Howe & Co LLC704,423$2.64M0.03%−415,886−37.1%Reduced
Bank of New York Mellon Corp684,539$2.57M0.00%+394,671+136.2%Added
Deutsche Bank AG663,038$2.49M0.00%+199,617+43.1%Added
First Trust Advisors LP599,696$2.25M0.00%+31,134+5.5%Added
Charles Schwab Investment Management Inc549,875$2.06M0.00%+421,079+326.9%Added
Ensign Peak Advisors, Inc505,055$1.89M0.00%−87,418−14.8%Reduced
Raymond James Financial Inc484,222$1.82M0.00%+104,062+27.4%Added
Schulhoff & Co Inc477,550$1.79M0.72%00.0%Unchanged
Exome Asset Management LLC460,067$1.73M1.06%−61,401−11.8%Reduced
Nuveen, LLC448,041$1.68M0.00%+448,041New
DAFNA Capital Management LLC438,407$1.64M0.31%+208,407+90.6%Added
Assenagon Asset Management S.A.364,173$1.37M0.00%00.0%Unchanged
Jump Financial, LLC347,400$1.30M0.01%+336,676+3,139.5%Added
Swiss National Bank325,400$1.22M0.00%+5,800+1.8%Added
Caption Management, LLC300,000$1.13M0.04%−273,224−47.7%Reduced
Citigroup Inc287,866$1.08M0.00%+186,065+182.8%Added
LMR Partners LLP273,213$1.02M0.01%+38,282+16.3%Added
Toroso Investments, LLC246,697$925.1K0.00%+929+0.4%Added
Tema ETFs LLC228,987$858.7K0.03%+1,482+0.7%Added
Rhumbline Advisers222,514$834.4K0.00%+222,514New
Rafferty Asset Management, LLC221,377$830.2K0.00%−18,447−7.7%Reduced
Invesco Ltd.220,205$825.8K0.00%+158,650+257.7%Added
UBS Asset Management Americas Inc219,779$824.2K0.00%+30,379+16.0%Added
California State Teachers Retirement System208,477$781.8K0.00%+120,098+135.9%Added
Stonepine Capital Management, LLC205,000$768.8K0.59%+5,000+2.5%Added
Colony Group, LLC197,878$742.0K0.00%+197,878New
Morgan Stanley190,799$715.5K0.00%−329,696−63.3%Reduced
Verdad Advisers, LP176,407$661.5K0.63%+146,220+484.4%Added
LPL Financial LLC171,733$644.0K0.00%+49,099+40.0%Added
HighVista Strategies LLC169,831$636.9K0.15%−118,226−41.0%Reduced
Wells Fargo & Company163,183$611.9K0.00%+156,588+2,374.3%Added
AWM Investment Company, Inc.150,000$562.5K0.05%00.0%Unchanged
Price T Rowe Associates Inc148,107$556.0K0.00%+148,107New
Canada Pension Plan Investment Board141,500$530.6K0.00%+32,700+30.1%Added
Alliancebernstein L.P.104,310$490.3K0.00%+104,310New
Walleye Capital LLC126,526$474.5K0.00%+126,526New
Barclays PLC126,415$474.1K0.00%−15,997−11.2%Reduced
NLB Skladi, upravljanje premozenja, d.o.o.125,000$468.8K0.02%+13,889+12.5%Added
Legal & General Group Plc123,313$462.4K0.00%−18,580−13.1%Reduced
Vanguard Asset Management, Ltd122,893$460.8K0.00%00.0%Unchanged
Velan Capital Investment Management LP120,000$450.0K0.28%−420,000−77.8%Reduced
Squarepoint Ops LLC112,152$420.6K0.00%−129,063−53.5%Reduced
Profund Advisors LLC111,378$417.7K0.01%+6,843+6.5%Added
JPMorgan Chase & Co109,413$409.2K0.00%+78,672+255.9%Added
Virtus Investment Advisers, Inc.108,703$407.6K0.09%+43,623+67.0%Added
Mirae Asset Global ETFs Holdings Ltd.107,334$402.2K0.00%+90,651+543.4%Added
Alps Advisors Inc107,100$401.6K0.00%+1,280+1.2%Added
MetLife Investment Management104,635$392.4K0.00%+104,635New
Aspire Growth Partners LLC102,254$383.5K0.22%00.0%Unchanged
Robertson Stephens Wealth Management, LLC96,000$360.0K0.01%+96,000New
Landscape Capital Management, L.L.C.94,240$353.4K0.02%00.0%Unchanged
Algert Global LLC90,900$340.9K0.00%+90,900New
Susquehanna International Group, LLP90,673$340.0K0.00%−1,778,942−95.2%Reduced
Miller Financial Services LLC85,000$318.8K0.26%+13,000+18.1%Added
Engineers Gate Manager LP83,130$311.7K0.00%+53,653+182.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)79,816$299.3K0.00%+31,828+66.3%Added
Vanguard Global Advisers, LLC71,617$268.6K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.64,647$242.4K0.01%+9,579+17.4%Added
State of Wyoming54,987$206.2K0.02%+2,295+4.4%Added
American Century Companies Inc54,899$205.9K0.00%+54,899New
Private Advisor Group, LLC54,502$204.4K0.00%+10,500+23.9%Added
Merit Financial Group, LLC53,503$200.6K0.00%+260+0.5%Added
Police & Firemen's Retirement System of New Jersey52,499$196.9K0.00%+52,499New
State of New Jersey Common Pension Fund D52,424$196.6K0.00%+20,576+64.6%Added
Universal- Beteiligungs- und Servicegesellschaft mbH50,529$189.5K0.00%+23,869+89.5%Added
Congress Park Capital LLC49,171$184.4K0.05%00.0%Unchanged