Cytomx TherapeuticsCTMX
13F holders, Q3 2025 (September 30)103holders +20
32new positions
12sold out
4famous investors
$3.19avg. 13F price*
At the end of Q3 2025, 103 institutions reported holding Cytomx Therapeutics Inc. (CTMX) in their 13F filings, up 20 from Q2 2025. 32 opened new positions and 12 sold out. The largest holders were Venrock Adviser, LLC ($49.6M), FMR LLC ($49.1M) and Tang Capital Management LLC ($35.3M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Cytomx Therapeutics Inc.
- CUSIP
- 23284F105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 32 | $30.3M |
| Exits | 12 | $28.2M |
All 13F filers, Q2 2025 → Q3 2025: 30,525,251 shares bought and 26,406,287 shares sold, net +4,118,964 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 103 holders
| Venrock Adviser, LLC | 2.79% | Add +11.4% | 15,561,500 | $49.6M |
| FMR LLC | 0.00% | Add +66.7% | 15,396,200 | $49.1M |
| Tang Capital Management LLC | 1.36% | No change | 11,065,662 | $35.3M |
| Perceptive Advisors LLC | 0.91% | Add +38.4% | 9,680,185 | $30.9M |
| Vanguard Group Inc. | 0.00% | Reduce -4.6% | 8,947,807 | $28.5M |
| Orbimed Advisors LLC | 0.65% | No change | 8,461,500 | $27.0M |
| Commodore Capital LP | 1.20% | No change | 7,692,300 | $24.5M |
| Baker Bros. Advisors LP | 0.10% | Add +22.0% | 4,250,826 | $13.6M |
| Point72 Asset Management | 0.03% | Reduce -49.7% | 4,068,575 | $13.0M |
| ADAR1 Capital Management, LLC | 1.29% | Add +31.3% | 4,045,414 | $12.9M |
| Balyasny Asset Management L.P. | 0.03% | Add +36.5% | 3,913,081 | $12.5M |
| Kynam Capital Management, LP | 0.87% | Add +69.3% | 3,646,503 | $11.6M |
| RTW Investments, LP | 0.14% | No change | 3,461,500 | $11.0M |
| Ikarian Capital, LLC | 2.18% | New | 3,372,616 | $10.8M |
| Vivo Capital, LLC | 0.74% | Reduce -50.0% | 2,884,615 | $9.2M |
| Ra Capital Management, L.P. | 0.10% | No change | 2,661,331 | $8.5M |
| Renaissance Technologies | 0.01% | Add +36.7% | 2,545,260 | $8.1M |
| BlackRock, Inc. | 0.00% | Reduce -0.3% | 2,381,912 | $7.6M |
| Woodline Partners LP | 0.04% | Add +0.0% | 2,337,005 | $7.5M |
| Citadel Advisors | 0.00% | Add +2005.5% | 1,800,435 | $5.7M |
| Geode Capital Management, LLC | 0.00% | Reduce -10.1% | 1,569,298 | $5.0M |
| Millennium Management | 0.00% | Add +494.4% | 1,386,863 | $4.4M |
| Financial Engines Advisors L.L.C. | 0.01% | New | 1,381,357 | $4.4M |
| Boothbay Fund Management, LLC | 0.10% | New | 1,237,057 | $3.9M |
| Marshall Wace, LLP | 0.00% | Reduce -53.0% | 1,104,993 | $3.5M |
| Bank of America Corp. | 0.00% | Add +20969.5% | 1,005,228 | $3.2M |
| Exome Asset Management LLC | 1.57% | New | 745,305 | $2.4M |
| Assenagon Asset Management S.A. | 0.00% | Add +1.4% | 729,967 | $2.3M |
| Two Sigma Investments, LP | 0.00% | Add +362.8% | 729,698 | $2.3M |
| Acadian Asset Management LLC | 0.00% | Reduce -58.0% | 653,725 | $2.1M |
| State Street Corp. | 0.00% | Add +0.9% | 644,982 | $2.1M |
| Prosight Management, LP | 0.43% | Reduce -83.9% | 564,800 | $1.8M |
| Gsa Capital Partners LLP | 0.14% | Reduce -15.0% | 535,974 | $1.7M |
| Inspire Investing, LLC | 0.16% | New | 522,482 | $1.7M |
| Dimensional Fund Advisors LP | 0.00% | Add +146.3% | 451,128 | $1.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +2950.5% | 447,753 | $1.4M |
| First Trust Advisors LP | 0.00% | New | 401,891 | $1.3M |
| Jane Street Group, LLC | 0.00% | Add +3253.7% | 401,367 | $1.3M |
| Northern Trust Corp. | 0.00% | Reduce -13.4% | 389,685 | $1.2M |
| Morgan Stanley | 0.00% | Reduce -5.9% | 319,288 | $1.0M |
| Raymond James Financial Inc. | 0.00% | Add +3.5% | 293,560 | $936K |
| Susquehanna International Group, LLP | 0.00% | Reduce -8.4% | 267,485 | $853K |
| HighVista Strategies LLC | 0.20% | New | 257,148 | $820K |
| Bank of New York Mellon Corp | 0.00% | No change | 252,659 | $806K |
| Precision Wealth Strategies, LLC | 0.25% | New | 237,081 | $756K |
| Prelude Capital Management, LLC | 0.05% | New | 206,526 | $659K |
| Diadema Partners LP | 0.41% | New | 185,286 | $591K |
| Ameriprise Financial Inc. | 0.00% | New | 158,329 | $505K |
| Royal Bank of Canada | 0.00% | Reduce -37.5% | 152,304 | $486K |
| Quadrature Capital Ltd | 0.00% | New | 125,035 | $399K |
| Stonepine Capital Management, LLC | 0.32% | New | 125,000 | $399K |
| Qube Research & Technologies Ltd | 0.00% | New | 122,500 | $391K |
| Formidable Asset Management, LLC | 0.06% | Reduce -62.2% | 118,337 | $377K |
| Tidal Investments LLC | 0.00% | Reduce -62.2% | 118,337 | $377K |
| Congress Park Capital LLC | 0.10% | Add +8.9% | 103,922 | $332K |
| Aspire Growth Partners LLC | 0.24% | No change | 102,254 | $326K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 88,570 | $283K |
| LPL Financial LLC | 0.00% | Reduce -56.9% | 86,653 | $276K |
| Velan Capital Investment Management LP | 0.24% | Add +6.7% | 80,000 | $255K |
| Miller Financial Services LLC | 0.25% | Add +31.4% | 67,000 | $214K |
| Merit Financial Group, LLC | 0.00% | New | 53,243 | $170K |
| Jefferies Financial Group Inc. | 0.00% | New | 52,914 | $169K |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 50,773 | $162K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | Reduce -51.7% | 48,012 | $153K |
| Squarepoint Ops LLC | 0.00% | Reduce -3.4% | 47,728 | $152K |
| Private Advisor Group, LLC | 0.00% | No change | 44,002 | $140K |
| Persistent Asset Partners Ltd | 0.10% | New | 42,645 | $136K |
| Two Sigma Advisers, LP | 0.00% | New | 40,000 | $128K |
| Sanctuary Advisors, LLC | 0.00% | New | 34,634 | $110K |
| Jain Global LLC | 0.00% | New | 33,652 | $107K |
| UBS Group AG | 0.00% | Reduce -92.6% | 30,168 | $96K |
| XTX Topco Ltd | 0.00% | Reduce -76.0% | 29,286 | $93K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -7.0% | 26,939 | $86K |
| Ethos Financial Group, LLC | 0.01% | New | 23,697 | $76K |
| Prudential Financial Inc. | 0.00% | Reduce -9.3% | 23,300 | $74K |
| BlueChip Wealth Advisors LLC | 0.03% | New | 23,000 | $73K |
| Invesco Ltd. | 0.00% | Add +58.3% | 22,426 | $72K |
| Forefront Analytics, LLC | 0.06% | Reduce -34.6% | 18,109 | $58K |
| Forefront Wealth Partners, LLC | 0.01% | New | 18,109 | $58K |
| Truvestments Capital LLC | 0.01% | Add +15.0% | 17,101 | $55K |
| WestHill Financial Advisors, Inc. | 0.01% | No change | 17,082 | $54K |
| Osaic Holdings, Inc. | 0.00% | Add +3.1% | 16,710 | $53K |
| BIT Capital GmbH | 0.00% | New | 16,285 | $52K |
| JPMorgan Chase & Co. | 0.00% | Add +5648.0% | 16,152 | $52K |
| Pursue Wealth Partners LLC | 0.03% | No change | 14,492 | $46K |
| Victory Capital Management Inc. | 0.00% | Add +13.6% | 14,121 | $45K |
| Nierenberg Investment Management Company, LLC | 0.02% | No change | 12,555 | $40K |
| IPG Investment Advisors LLC | 0.01% | No change | 12,500 | $40K |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 0.00% | New | 10,747 | $34K |
| Mariner, LLC | 0.00% | New | 10,250 | $33K |
| Peregrine Asset Advisers, Inc. | 0.01% | No change | 10,000 | $32K |
| Meridian Wealth Management, LLC | 0.00% | No change | 10,000 | $32K |
| Farther Finance Advisors, LLC | 0.00% | New | 7,970 | $25K |
| Citigroup Inc. | 0.00% | New | 7,756 | $25K |
| Private Wealth Asset Management, LLC | 0.00% | No change | 4,000 | $13K |
| Truist Financial Corp. | 0.00% | New | 12,500 | $13K |
| Wells Fargo & Company | 0.00% | New | 3,605 | $12K |
| Barclays PLC | 0.00% | Add +74400.0% | 1,490 | $5K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -58.4% | 689 | $2K |
| Advisory Services Network, LLC | 0.00% | New | 274 | $874 |
"% of holder's portfolio" is CTMX's weight in each manager's 13F, not the share of Cytomx Therapeutics Inc. the manager owns.