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 2025
Institutional positions in CytomX Therapeutics, Inc. as of Dec 31, 2025. 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
- 122
- +19 vs. Q3 2025
- Shares held
- 144.1M
- +6.67M (+4.9%) vs. Q3 2025
- Total value
- $613.9M
- +$175.5M (+40.0%) vs. Q3 2025
- New holders
- 39
- 39 more added
- Sold out
- 20
- 25 more reduced
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding CytomX Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM Advisors, LLC | 8 | $32 | 0.00% | −522,474−100.0% | Reduced |
| SBI Securities Co., Ltd. | 28 | $119 | 0.00% | −57−67.1% | Reduced |
| Royal Bank of Canada | 214 | $1.00K | 0.00% | −152,090−99.9% | Reduced |
| Daiwa Securities Group Inc. | 564 | $2.00K | 0.00% | +564 | New |
| BNP Paribas Arbitrage, SA | 2,825 | $12.0K | 0.00% | +2,808+16,517.6% | Added |
| GF Fund Management Co. Ltd. | 3,329 | $14.2K | 0.00% | +3,329 | New |
| Caitong International Asset Management Co., Ltd | 4,690 | $20.0K | 0.00% | +4,001+580.7% | Added |
| Wells Fargo & Company | 6,605 | $28.1K | 0.00% | +3,000+83.2% | Added |
| Farther Finance Advisors, LLC | 7,875 | $33.5K | 0.00% | −95−1.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 8,233 | $35.1K | 0.00% | +8,233 | New |
| Peregrine Asset Advisers, Inc. | 10,000 | $42.6K | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 11,404 | $48.6K | 0.00% | +11,404 | New |
| HSBC Holdings PLC | 12,230 | $52.1K | 0.00% | +12,230 | New |
| IPG Investment Advisors LLC | 12,500 | $53.3K | 0.01% | 00.0% | Unchanged |
| Nierenberg Investment Management Company, Inc. | 12,555 | $53.5K | 0.03% | 00.0% | Unchanged |
| Bank of Nova Scotia | 13,661 | $58.2K | 0.00% | +13,661 | New |
| Icapital Wealth LLC | 14,492 | $62.0K | 0.03% | 00.0% | Unchanged |
| Victory Capital Management Inc | 14,722 | $62.7K | 0.00% | +601+4.3% | Added |
| Paces Ferry Wealth Advisors, LLC | 14,822 | $63.1K | 0.03% | +14,822 | New |
| Evolve Private Wealth, LLC | 14,834 | $63.2K | 0.00% | +14,834 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 15,959 | $66.4K | 0.00% | +15,959 | New |
| WestHill Financial Advisors, Inc. | 17,082 | $72.8K | 0.01% | 00.0% | Unchanged |
| Twinbeech Capital LP | 17,600 | $75.0K | 0.01% | +17,600 | New |
| Forefront Analytics, LLC | 18,699 | $79.7K | 0.07% | +590+3.3% | Added |
| Sanctuary Advisors, LLC | 19,140 | $81.5K | 0.00% | −15,494−44.7% | Reduced |
| Advisor Group Holdings, Inc. | 19,410 | $82.7K | 0.00% | +2,700+16.2% | Added |
| Jain Global LLC | 21,212 | $90.4K | 0.00% | −12,440−37.0% | Reduced |
| State of Wyoming | 21,511 | $91.6K | 0.01% | +21,511 | New |
| Invesco Ltd. | 21,976 | $93.6K | 0.00% | −450−2.0% | Reduced |
| Mariner, LLC | 22,180 | $94.5K | 0.00% | +11,930+116.4% | Added |
| Ethos Financial Group, LLC | 23,697 | $100.9K | 0.01% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 23,764 | $101.2K | 0.00% | −29,150−55.1% | Reduced |
| Simplex Trading, LLC | 24,051 | $102.5K | 0.00% | +24,051 | New |
| JPMorgan Chase & Co | 24,363 | $103.8K | 0.00% | +8,211+50.8% | Added |
| Tower Research Capital LLC (TRC) | 24,794 | $105.6K | 0.00% | +24,791+826,366.7% | Added |
| HB Wealth Management, LLC | 25,000 | $106.5K | 0.00% | +25,000 | New |
| Mangrove Partners | 26,265 | $111.9K | 0.01% | +26,265 | New |
| Engineers Gate Manager LP | 26,539 | $113.1K | 0.00% | +26,539 | New |
| JustInvest LLC | 26,765 | $114.0K | 0.00% | −174−0.6% | Reduced |
| Truvestments Capital LLC | 27,428 | $116.8K | 0.02% | +10,327+60.4% | Added |
| China Universal Asset Management Co., Ltd. | 27,609 | $117.6K | 0.01% | +27,609 | New |
| Cambria Investment Management, L.P. | 31,332 | $133.5K | 0.01% | +31,332 | New |
| Empowered Funds, LLC | 31,332 | $133.5K | 0.00% | +31,332 | New |
| Lighthouse Investment Partners, LLC | 32,040 | $136.5K | 0.00% | +32,040 | New |
| Private Advisor Group, LLC | 44,002 | $187.4K | 0.00% | 00.0% | Unchanged |
| Baader Bank INC | 45,000 | $191.7K | 0.02% | +45,000 | New |
| Formidable Asset Management, LLC | 45,763 | $194.9K | 0.03% | −72,574−61.3% | Reduced |
| Toroso Investments, LLC | 45,763 | $194.9K | 0.00% | −72,574−61.3% | Reduced |
| XTX Topco Ltd | 47,991 | $204.4K | 0.01% | +18,705+63.9% | Added |
| Susquehanna Portfolio Strategies, LLC | 48,012 | $204.5K | 0.00% | 00.0% | Unchanged |
| Seven Fleet Capital Management LP | 48,898 | $208.3K | 0.14% | +48,898 | New |
| Squarepoint Ops LLC | 49,897 | $212.6K | 0.00% | +2,169+4.5% | Added |
| Hudson Bay Capital Management LP | 50,990 | $217.2K | 0.00% | +50,990 | New |
| Timothy G. Youngquist 2020 Irrevocable Trust | 51,155 | $217.9K | 0.19% | +51,155 | New |
| SG Americas Securities, LLC | 53,109 | $226.0K | 0.00% | +53,109 | New |
| Merit Financial Group, LLC | 53,243 | $226.8K | 0.00% | 00.0% | Unchanged |
| Congress Park Capital LLC | 58,922 | $251.0K | 0.07% | −45,000−43.3% | Reduced |
| Skopos Labs, Inc. | 61,474 | $257.6K | 0.01% | +61,474 | New |
| Virtus Investment Advisers, Inc. | 63,491 | $270.5K | 0.07% | +63,491 | New |
| Miller Financial Services LLC | 68,000 | $289.7K | 0.34% | +1,000+1.5% | Added |
| Charles Schwab Investment Management Inc | 68,687 | $292.6K | 0.00% | −19,883−22.4% | Reduced |
| HRT Financial LP | 71,867 | $306.0K | 0.00% | +71,867 | New |
| Velan Capital Investment Management LP | 80,000 | $340.8K | 0.20% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 81,886 | $349.0K | 0.03% | −454,088−84.7% | Reduced |
| Omers Administration Corp | 87,800 | $374.0K | 0.00% | +87,800 | New |
| Citigroup Inc | 96,326 | $410.3K | 0.00% | +88,570+1,142.0% | Added |
| Profund Advisors LLC | 98,633 | $420.2K | 0.01% | +98,633 | New |
| NLB Skladi, upravljanje premozenja, d.o.o. | 100,000 | $426.0K | 0.02% | +100,000 | New |
| Aspire Growth Partners LLC | 102,254 | $435.6K | 0.30% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 104,200 | $443.9K | 0.00% | +104,200 | New |
| LPL Financial LLC | 113,440 | $483.3K | 0.00% | +26,787+30.9% | Added |
| SEI Investments Co | 124,124 | $528.8K | 0.00% | +124,124 | New |
| HighVista Strategies LLC | 193,941 | $826.2K | 0.21% | −63,207−24.6% | Reduced |
| EAM Investors, LLC | 203,823 | $868.3K | 0.10% | +203,823 | New |
| Prelude Capital Management, LLC | 206,526 | $879.8K | 0.06% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 229,599 | $989.0K | 0.00% | +71,270+45.0% | Added |
| Rafferty Asset Management, LLC | 273,584 | $1.17M | 0.00% | +273,584 | New |
| Millennium Management LLC | 289,653 | $1.23M | 0.00% | −1,097,210−79.1% | Reduced |
| Raymond James Financial Inc | 316,971 | $1.35M | 0.00% | +23,411+8.0% | Added |
| Bank of New York Mellon Corp | 328,248 | $1.40M | 0.00% | +75,589+29.9% | Added |
| Two Sigma Advisers, LP | 335,524 | $1.43M | 0.00% | +295,524+738.8% | Added |
| Barclays PLC | 336,525 | $1.43M | 0.00% | +335,035+22,485.6% | Added |
| Citadel Advisors LLC | 342,304 | $1.46M | 0.00% | −1,458,131−81.0% | Reduced |
| UBS Group AG | 370,739 | $1.58M | 0.00% | +340,571+1,128.9% | Added |
| Schulhoff & Co Inc | 374,850 | $1.60M | 0.67% | +374,850 | New |
| Silverarc Capital Management, LLC | 385,974 | $1.64M | 0.24% | +385,974 | New |
| Morgan Stanley | 401,191 | $1.71M | 0.00% | +81,903+25.7% | Added |
| Northern Trust Corp | 415,178 | $1.77M | 0.00% | +25,493+6.5% | Added |
| First Trust Advisors LP | 423,168 | $1.80M | 0.00% | +21,277+5.3% | Added |
| Assenagon Asset Management S.A. | 592,696 | $2.52M | 0.00% | −137,271−18.8% | Reduced |
| Jane Street Group, LLC | 607,218 | $2.59M | 0.00% | +205,851+51.3% | Added |
| Elmind Capital, LP | 700,000 | $2.98M | 0.88% | +700,000 | New |
| Exome Asset Management LLC | 745,305 | $3.17M | 1.57% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 856,056 | $3.64M | 0.01% | +202,331+31.0% | Added |
| Bank of America Corp | 876,305 | $3.73M | 0.00% | −128,923−12.8% | Reduced |
| Boothbay Fund Management, LLC | 894,663 | $3.81M | 0.10% | −342,394−27.7% | Reduced |
| Susquehanna International Group, LLP | 981,598 | $4.18M | 0.01% | +714,113+267.0% | Added |
| StemPoint Capital LP | 1,036,311 | $4.41M | 0.76% | +1,036,311 | New |
| Qube Research & Technologies Ltd | 1,061,128 | $4.52M | 0.01% | +938,628+766.2% | Added |
| Marshall Wace, LLP | 1,156,936 | $4.93M | 0.00% | +51,943+4.7% | Added |