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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 178 | $799.0M |
| Q1 2026 | 179 | $911.2M |
| Q4 2025 | 122 | $613.9M |
| Q3 2025 | 103 | $438.4M |
| Q2 2025 | 83 | $302.6M |
| Q1 2025 | 66 | $28.8M |
| Q4 2024 | 70 | $48.1M |
| Q3 2024 | 69 | $60.4M |
| Q2 2024 | 74 | $61.9M |
| Q1 2024 | 88 | $97.1M |
| Q4 2023 | 68 | $50.6M |
| Q3 2023 | 62 | $41.8M |
| Q2 2023 | 67 | $58.7M |
| Q1 2023 | 76 | $53.7M |
| Q4 2022 | 81 | $57.5M |
| Q3 2022 | 84 | $52.6M |
| Q2 2022 | 99 | $83.4M |
| Q1 2022 | 119 | $143.4M |
| Q4 2021 | 110 | $236.5M |
| Q3 2021 | 114 | $274.8M |
| Q2 2021 | 122 | $358.9M |
| Q1 2021 | 126 | $422.2M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Twinbeech Capital LP | 48,404 | $181.5K | 0.03% | +48,404 | New |
| Susquehanna Portfolio Strategies, LLC | 48,012 | $180.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 47,795 | $179.2K | 0.00% | +47,795 | New |
| XTX Topco Ltd | 46,981 | $176.2K | 0.00% | −30,880−39.7% | Reduced |
| Jupiter Topco LLC | 46,700 | $175.4K | 0.00% | +46,700 | New |
| Shay Capital LLC | 45,000 | $168.8K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 44,737 | $167.8K | 0.00% | +360+0.8% | Added |
| AQR Capital Management LLC | 42,014 | $157.6K | 0.00% | +42,014 | New |
| SEI Investments Co | 40,499 | $151.9K | 0.00% | −207,749−83.7% | Reduced |
| PSP Research LLC | 39,400 | $147.8K | 0.08% | +39,400 | New |
| Vanguard Investments Australia, Ltd. | 36,925 | $138.5K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 36,863 | $138.0K | 0.00% | +36,863 | New |
| Cerity Partners LLC | 36,673 | $137.5K | 0.00% | −1,133−3.0% | Reduced |
| New York State Common Retirement Fund | 35,700 | $133.9K | 0.00% | +35,700 | New |
| KLP Kapitalforvaltning AS | 35,500 | $133.1K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 34,569 | $129.6K | 0.01% | +12,766+58.6% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 34,191 | $128.2K | 0.00% | +34,191 | New |
| Voya Investment Management LLC | 33,686 | $126.3K | 0.00% | +33,686 | New |
| BNP Paribas Arbitrage, SA | 31,712 | $118.9K | 0.00% | −574,563−94.8% | Reduced |
| E Fund Management Co., Ltd. | 31,214 | $117.1K | 0.00% | +1,067+3.5% | Added |
| ProShare Advisors LLC | 30,448 | $114.2K | 0.00% | +30,448 | New |
| Intech Investment Management LLC | 30,434 | $114.1K | 0.00% | +30,434 | New |
| Truvestments Capital LLC | 27,988 | $105.0K | 0.02% | +560+2.0% | Added |
| Prudential Financial Inc | 27,950 | $104.8K | 0.00% | +27,950 | New |
| HSBC Holdings PLC | 26,636 | $102.8K | 0.00% | +26,636 | New |
| JustInvest LLC | 26,219 | $98.3K | 0.00% | −546−2.0% | Reduced |
| Forefront Analytics, LLC | 25,033 | $93.9K | 0.10% | +12,557+100.6% | Added |
| Allstate Corp | 23,655 | $88.7K | 0.00% | +23,655 | New |
| Pale Fire Capital SE | 22,900 | $85.9K | 0.01% | +22,900 | New |
| Advisor Group Holdings, Inc. | 20,531 | $77.0K | 0.00% | +4,060+24.6% | Added |
| Tower Research Capital LLC (TRC) | 20,145 | $75.5K | 0.00% | +7,161+55.2% | Added |
| 683 Capital Management, LLC | 20,000 | $75.0K | 0.01% | −405,000−95.3% | Reduced |
| State of Wisconsin Investment Board | 19,804 | $74.3K | 0.00% | +6,678+50.9% | Added |
| Victory Capital Management Inc | 19,306 | $72.4K | 0.00% | +4,145+27.3% | Added |
| Freestone Grove Partners LP | 18,972 | $71.1K | 0.00% | +18,972 | New |
| Teacher Retirement System of Texas | 18,451 | $69.2K | 0.00% | +6,984+60.9% | Added |
| Formidable Asset Management, LLC | 17,710 | $66.4K | 0.01% | −553−3.0% | Reduced |
| Savvy Advisors, Inc. | 17,700 | $66.4K | 0.00% | +17,700 | New |
| WestHill Financial Advisors, Inc. | 17,082 | $64.1K | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 17,067 | $64.0K | 0.00% | +17,067 | New |
| Pictet Asset Management Holding SA | 16,606 | $62.3K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 16,154 | $60.6K | 0.00% | +16,154 | New |
| Great West Life Assurance Co | 15,482 | $58.0K | 0.00% | +15,482 | New |
| Boothbay Fund Management, LLC | 15,000 | $56.3K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 15,000 | $56.3K | 0.00% | +15,000 | New |
| Paces Ferry Wealth Advisors, LLC | 14,822 | $55.6K | 0.02% | 00.0% | Unchanged |
| Icapital Wealth LLC | 14,492 | $54.3K | 0.03% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 14,234 | $53.4K | 0.00% | +14,234 | New |
| Ameriprise Financial Inc | 14,202 | $53.3K | 0.00% | −50,813−78.2% | Reduced |
| TRB Wealth Management, LLC | 13,435 | $50.4K | 0.01% | 00.0% | Unchanged |
| Nierenberg Investment Management Company, Inc. | 12,555 | $47.1K | 0.02% | 00.0% | Unchanged |
| IPG Investment Advisors LLC | 12,500 | $46.9K | 0.01% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 11,794 | $44.2K | 0.01% | +10,145+615.2% | Added |
| Whittier Trust Co | 11,458 | $43.7K | 0.00% | +11,458 | New |
| Simplex Trading, LLC | 10,286 | $38.6K | 0.00% | −238,152−95.9% | Reduced |
| Peregrine Asset Advisers, Inc. | 10,200 | $38.3K | 0.01% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 9,736 | $36.5K | 0.00% | +898+10.2% | Added |
| Royal Bank of Canada | 5,630 | $21.0K | 0.00% | +4,888+658.8% | Added |
| Quantbot Technologies LP | 4,687 | $17.6K | 0.00% | +3,557+314.8% | Added |
| GF Fund Management Co. Ltd. | 4,302 | $16.1K | 0.00% | +515+13.6% | Added |
| Pacer Advisors, Inc. | 3,697 | $14.0K | 0.00% | +3,697 | New |
| Farther Finance Advisors, LLC | 3,169 | $11.9K | 0.00% | −4,706−59.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,727 | $10.2K | 0.00% | +2,727 | New |
| Sterling Capital Management LLC | 1,969 | $7.38K | 0.00% | +1,969 | New |
| J.Safra Asset Management Corp | 1,179 | $4.42K | 0.00% | −245−17.2% | Reduced |
| Jones Financial Companies LLLP | 636 | $2.16K | 0.00% | +136+27.2% | Added |
| Nisa Investment Advisors, LLC | 518 | $1.94K | 0.00% | +518 | New |
| Larson Financial Group LLC | 300 | $1.13K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 282 | $1.06K | 0.00% | +245+662.2% | Added |
| National Bank of Canada | 243 | $911 | 0.00% | +201+478.6% | Added |
| SJS Investment Consulting Inc. | 232 | $870 | 0.00% | +232 | New |
| Rothschild Investment LLC | 211 | $791 | 0.00% | +211 | New |
| Quarry LP | 207 | $776 | 0.00% | +207 | New |
| SRS Capital Advisors, Inc. | 95 | $356 | 0.00% | +95 | New |
| EverSource Wealth Advisors, LLC | 77 | $289 | 0.00% | +77 | New |
| SBI Securities Co., Ltd. | 28 | $105 | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 6 | $24 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 4 | $15 | 0.00% | +4 | New |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −3,067,864−100.0% | Sold out |
| Patient Square Capital LP | 0 | $0 | 0.00% | −1,085,790−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −997,510−100.0% | Sold out |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −900,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −898,767−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −730,844−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −714,000−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −565,113−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −550,000−100.0% | Sold out |
| Seven Grand Managers, LLC | 0 | $0 | 0.00% | −325,000−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −269,202−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −230,598−100.0% | Sold out |
| Burkehill Global Management, LP | 0 | $0 | 0.00% | −225,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −167,514−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −154,134−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −121,912−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −104,750−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −101,895−100.0% | Sold out |
| Cannon Global Investment Management, LLC | 0 | $0 | 0.00% | −96,100−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −80,663−100.0% | Sold out |