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 |
|---|---|---|---|---|---|
| Clearstead Advisors, LLC | 4 | $15 | 0.00% | +4 | New |
| CWM Advisors, LLC | 6 | $24 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 28 | $105 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 77 | $289 | 0.00% | +77 | New |
| SRS Capital Advisors, Inc. | 95 | $356 | 0.00% | +95 | New |
| Quarry LP | 207 | $776 | 0.00% | +207 | New |
| Rothschild Investment LLC | 211 | $791 | 0.00% | +211 | New |
| SJS Investment Consulting Inc. | 232 | $870 | 0.00% | +232 | New |
| National Bank of Canada | 243 | $911 | 0.00% | +201+478.6% | Added |
| Allworth Financial LP | 282 | $1.06K | 0.00% | +245+662.2% | Added |
| Larson Financial Group LLC | 300 | $1.13K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 518 | $1.94K | 0.00% | +518 | New |
| Jones Financial Companies LLLP | 636 | $2.16K | 0.00% | +136+27.2% | Added |
| J.Safra Asset Management Corp | 1,179 | $4.42K | 0.00% | −245−17.2% | Reduced |
| Sterling Capital Management LLC | 1,969 | $7.38K | 0.00% | +1,969 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,727 | $10.2K | 0.00% | +2,727 | New |
| Farther Finance Advisors, LLC | 3,169 | $11.9K | 0.00% | −4,706−59.8% | Reduced |
| Pacer Advisors, Inc. | 3,697 | $14.0K | 0.00% | +3,697 | New |
| GF Fund Management Co. Ltd. | 4,302 | $16.1K | 0.00% | +515+13.6% | Added |
| Quantbot Technologies LP | 4,687 | $17.6K | 0.00% | +3,557+314.8% | Added |
| Royal Bank of Canada | 5,630 | $21.0K | 0.00% | +4,888+658.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 9,736 | $36.5K | 0.00% | +898+10.2% | Added |
| Peregrine Asset Advisers, Inc. | 10,200 | $38.3K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 10,286 | $38.6K | 0.00% | −238,152−95.9% | Reduced |
| Whittier Trust Co | 11,458 | $43.7K | 0.00% | +11,458 | New |
| Caitong International Asset Management Co., Ltd | 11,794 | $44.2K | 0.01% | +10,145+615.2% | Added |
| IPG Investment Advisors LLC | 12,500 | $46.9K | 0.01% | 00.0% | Unchanged |
| Nierenberg Investment Management Company, Inc. | 12,555 | $47.1K | 0.02% | 00.0% | Unchanged |
| TRB Wealth Management, LLC | 13,435 | $50.4K | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 14,202 | $53.3K | 0.00% | −50,813−78.2% | Reduced |
| Russell Investments Group, Ltd. | 14,234 | $53.4K | 0.00% | +14,234 | New |
| Icapital Wealth LLC | 14,492 | $54.3K | 0.03% | 00.0% | Unchanged |
| Paces Ferry Wealth Advisors, LLC | 14,822 | $55.6K | 0.02% | 00.0% | Unchanged |
| 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 |
| Great West Life Assurance Co | 15,482 | $58.0K | 0.00% | +15,482 | New |
| Ameritas Investment Partners, Inc. | 16,154 | $60.6K | 0.00% | +16,154 | New |
| Pictet Asset Management Holding SA | 16,606 | $62.3K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 17,067 | $64.0K | 0.00% | +17,067 | New |
| WestHill Financial Advisors, Inc. | 17,082 | $64.1K | 0.01% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 17,700 | $66.4K | 0.00% | +17,700 | New |
| Formidable Asset Management, LLC | 17,710 | $66.4K | 0.01% | −553−3.0% | Reduced |
| Teacher Retirement System of Texas | 18,451 | $69.2K | 0.00% | +6,984+60.9% | Added |
| Freestone Grove Partners LP | 18,972 | $71.1K | 0.00% | +18,972 | New |
| Victory Capital Management Inc | 19,306 | $72.4K | 0.00% | +4,145+27.3% | Added |
| State of Wisconsin Investment Board | 19,804 | $74.3K | 0.00% | +6,678+50.9% | Added |
| 683 Capital Management, LLC | 20,000 | $75.0K | 0.01% | −405,000−95.3% | Reduced |
| Tower Research Capital LLC (TRC) | 20,145 | $75.5K | 0.00% | +7,161+55.2% | Added |
| Advisor Group Holdings, Inc. | 20,531 | $77.0K | 0.00% | +4,060+24.6% | Added |
| Pale Fire Capital SE | 22,900 | $85.9K | 0.01% | +22,900 | New |
| Allstate Corp | 23,655 | $88.7K | 0.00% | +23,655 | New |
| Forefront Analytics, LLC | 25,033 | $93.9K | 0.10% | +12,557+100.6% | Added |
| JustInvest LLC | 26,219 | $98.3K | 0.00% | −546−2.0% | Reduced |
| HSBC Holdings PLC | 26,636 | $102.8K | 0.00% | +26,636 | New |
| Prudential Financial Inc | 27,950 | $104.8K | 0.00% | +27,950 | New |
| Truvestments Capital LLC | 27,988 | $105.0K | 0.02% | +560+2.0% | Added |
| Intech Investment Management LLC | 30,434 | $114.1K | 0.00% | +30,434 | New |
| ProShare Advisors LLC | 30,448 | $114.2K | 0.00% | +30,448 | New |
| E Fund Management Co., Ltd. | 31,214 | $117.1K | 0.00% | +1,067+3.5% | Added |
| BNP Paribas Arbitrage, SA | 31,712 | $118.9K | 0.00% | −574,563−94.8% | Reduced |
| Voya Investment Management LLC | 33,686 | $126.3K | 0.00% | +33,686 | New |
| Mitsubishi UFJ Trust & Banking Corp | 34,191 | $128.2K | 0.00% | +34,191 | New |
| DRW Securities, LLC | 34,569 | $129.6K | 0.01% | +12,766+58.6% | Added |
| KLP Kapitalforvaltning AS | 35,500 | $133.1K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 35,700 | $133.9K | 0.00% | +35,700 | New |
| Cerity Partners LLC | 36,673 | $137.5K | 0.00% | −1,133−3.0% | Reduced |
| SG Americas Securities, LLC | 36,863 | $138.0K | 0.00% | +36,863 | New |
| Vanguard Investments Australia, Ltd. | 36,925 | $138.5K | 0.00% | 00.0% | Unchanged |
| PSP Research LLC | 39,400 | $147.8K | 0.08% | +39,400 | New |
| SEI Investments Co | 40,499 | $151.9K | 0.00% | −207,749−83.7% | Reduced |
| AQR Capital Management LLC | 42,014 | $157.6K | 0.00% | +42,014 | New |
| Arizona State Retirement System | 44,737 | $167.8K | 0.00% | +360+0.8% | Added |
| Shay Capital LLC | 45,000 | $168.8K | 0.02% | 00.0% | Unchanged |
| Jupiter Topco LLC | 46,700 | $175.4K | 0.00% | +46,700 | New |
| XTX Topco Ltd | 46,981 | $176.2K | 0.00% | −30,880−39.7% | Reduced |
| Manufacturers Life Insurance Company, The | 47,795 | $179.2K | 0.00% | +47,795 | New |
| Susquehanna Portfolio Strategies, LLC | 48,012 | $180.0K | 0.00% | 00.0% | Unchanged |
| Twinbeech Capital LP | 48,404 | $181.5K | 0.03% | +48,404 | New |
| Congress Park Capital LLC | 49,171 | $184.4K | 0.05% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 50,529 | $189.5K | 0.00% | +23,869+89.5% | Added |
| State of New Jersey Common Pension Fund D | 52,424 | $196.6K | 0.00% | +20,576+64.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 52,499 | $196.9K | 0.00% | +52,499 | New |
| Merit Financial Group, LLC | 53,503 | $200.6K | 0.00% | +260+0.5% | Added |
| Private Advisor Group, LLC | 54,502 | $204.4K | 0.00% | +10,500+23.9% | Added |
| American Century Companies Inc | 54,899 | $205.9K | 0.00% | +54,899 | New |
| State of Wyoming | 54,987 | $206.2K | 0.02% | +2,295+4.4% | Added |
| China Universal Asset Management Co., Ltd. | 64,647 | $242.4K | 0.01% | +9,579+17.4% | Added |
| Vanguard Global Advisers, LLC | 71,617 | $268.6K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 79,816 | $299.3K | 0.00% | +31,828+66.3% | Added |
| Engineers Gate Manager LP | 83,130 | $311.7K | 0.00% | +53,653+182.0% | Added |
| Miller Financial Services LLC | 85,000 | $318.8K | 0.26% | +13,000+18.1% | Added |
| Susquehanna International Group, LLP | 90,673 | $340.0K | 0.00% | −1,778,942−95.2% | Reduced |
| Algert Global LLC | 90,900 | $340.9K | 0.00% | +90,900 | New |
| Landscape Capital Management, L.L.C. | 94,240 | $353.4K | 0.02% | 00.0% | Unchanged |
| Robertson Stephens Wealth Management, LLC | 96,000 | $360.0K | 0.01% | +96,000 | New |
| Aspire Growth Partners LLC | 102,254 | $383.5K | 0.22% | 00.0% | Unchanged |
| MetLife Investment Management | 104,635 | $392.4K | 0.00% | +104,635 | New |
| Alps Advisors Inc | 107,100 | $401.6K | 0.00% | +1,280+1.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 107,334 | $402.2K | 0.00% | +90,651+543.4% | Added |
| Virtus Investment Advisers, Inc. | 108,703 | $407.6K | 0.09% | +43,623+67.0% | Added |