Cytomx TherapeuticsCTMX
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 66 institutions reported holding Cytomx Therapeutics Inc. (CTMX) in their 13F filings, down 4 from Q4 2024. 7 opened new positions and 11 sold out. The largest holders were Tang Capital Management LLC ($4.3M), BVF Inc. ($3.3M) and Vanguard Group Inc. ($3.3M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Cytomx Therapeutics Inc.
- CUSIP
- 23284F105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $1.9M |
| Exits | 11 | $1.4M |
All 13F filers, Q4 2024 → Q1 2025: 4,941,317 shares bought and 6,383,310 shares sold, net −1,441,993 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 66 holders
| Tang Capital Management LLC | 0.24% | Reduce -8.1% | 6,717,825 | $4.3M |
| BVF Inc. | 0.14% | No change | 5,228,461 | $3.3M |
| Vanguard Group Inc. | 0.00% | Reduce -0.9% | 5,117,376 | $3.3M |
| Prosight Management, LP | 0.82% | Add +0.6% | 3,930,008 | $2.5M |
| Acadian Asset Management LLC | 0.01% | Add +3.1% | 3,234,035 | $2.1M |
| Millennium Management | 0.00% | Reduce -12.3% | 2,826,276 | $1.8M |
| Point72 Asset Management | 0.00% | No change | 2,650,000 | $1.7M |
| Woodline Partners LP | 0.01% | New | 1,657,306 | $1.1M |
| Laurion Capital Management LP | 0.07% | Add +3.6% | 1,293,686 | $823K |
| BlackRock, Inc. | 0.00% | Reduce -5.9% | 1,166,384 | $742K |
| Renaissance Technologies | 0.00% | Reduce -14.2% | 1,156,000 | $735K |
| Ra Capital Management, L.P. | 0.01% | New | 1,000,000 | $636K |
| Geode Capital Management, LLC | 0.00% | Add +5.2% | 857,958 | $546K |
| Gsa Capital Partners LLP | 0.04% | Add +1862.0% | 762,930 | $485K |
| UBS Group AG | 0.00% | Add +46.8% | 746,788 | $475K |
| Assenagon Asset Management S.A. | 0.00% | Add +18.6% | 711,454 | $452K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -55.6% | 686,208 | $436K |
| Congress Park Capital LLC | 0.16% | Reduce -30.2% | 673,686 | $428K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -57.3% | 589,332 | $375K |
| Sei Investments Co. | 0.00% | No change | 487,902 | $310K |
| Bank of America Corp. | 0.00% | Add +22851.7% | 463,854 | $295K |
| Formidable Asset Management, LLC | 0.04% | Reduce -7.5% | 353,840 | $225K |
| Tidal Investments LLC | 0.00% | Reduce -7.5% | 353,840 | $225K |
| State Street Corp. | 0.00% | No change | 320,043 | $203K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -7.5% | 306,624 | $195K |
| Bank of New York Mellon Corp | 0.00% | No change | 241,980 | $154K |
| Northern Trust Corp. | 0.00% | No change | 150,632 | $96K |
| Aspire Growth Partners LLC | 0.08% | Add +126.2% | 92,254 | $89K |
| Two Sigma Investments, LP | 0.00% | Reduce -63.7% | 116,475 | $74K |
| FMR LLC | 0.00% | Reduce -64.7% | 108,311 | $69K |
| JPMorgan Chase & Co. | 0.00% | Reduce -87.0% | 105,294 | $67K |
| Forefront Analytics, LLC | 0.07% | Add +55.7% | 100,070 | $63K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 97,123 | $62K |
| Marshall Wace, LLP | 0.00% | New | 85,539 | $55K |
| Prudential Financial Inc. | 0.00% | Add +26.8% | 81,500 | $52K |
| Velan Capital Investment Management LP | 0.05% | Add +114.3% | 75,000 | $48K |
| Goldman Sachs Group Inc. | 0.00% | New | 61,719 | $39K |
| Morgan Stanley | 0.00% | Add +358.9% | 60,584 | $39K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -0.5% | 54,808 | $35K |
| Commonwealth Equity Services, LLC | 0.00% | Add +1.9% | 54,243 | $34K |
| Miller Financial Services LLC | 0.05% | Add +104.0% | 51,000 | $32K |
| ADAR1 Capital Management, LLC | 0.01% | Reduce -67.6% | 47,036 | $30K |
| Russell Investments Group, Ltd. | 0.00% | Add +30.9% | 44,576 | $28K |
| Private Advisor Group, LLC | 0.00% | No change | 44,002 | $28K |
| LPL Financial LLC | 0.00% | No change | 42,315 | $27K |
| Simplex Trading, LLC | 0.00% | Add +6577.1% | 33,853 | $21K |
| Traphagen Investment Advisors LLC | 0.00% | No change | 30,500 | $19K |
| Susquehanna International Group, LLP | 0.00% | Reduce -51.9% | 28,734 | $18K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.2% | 24,877 | $16K |
| Jane Street Group, LLC | 0.00% | Reduce -7.8% | 19,962 | $13K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -52.1% | 17,708 | $11K |
| WestHill Financial Advisors, Inc. | 0.00% | No change | 17,082 | $11K |
| Osaic Holdings, Inc. | 0.00% | Add +1664.4% | 15,350 | $10K |
| Virtu Financial LLC | 0.00% | Reduce -79.3% | 11,797 | $8K |
| Nierenberg Investment Management Company, LLC | 0.00% | No change | 12,555 | $8K |
| IPG Investment Advisors LLC | 0.00% | No change | 12,500 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +214.0% | 10,277 | $7K |
| Peregrine Asset Advisers, Inc. | 0.00% | No change | 10,000 | $6K |
| Meridian Wealth Management, LLC | 0.00% | New | 10,000 | $6K |
| US Bancorp \de | 0.00% | Reduce -76.0% | 7,392 | $5K |
| Group One Trading LLC | 0.00% | Reduce -2.4% | 4,124 | $3K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -90.2% | 108 | $69 |
| Citadel Advisors | 0.00% | Reduce -100.0% | 100 | $64 |
| BNP Paribas Financial Markets | 0.00% | Reduce -78.2% | 17 | $11 |
| Barclays PLC | 0.00% | New | 2 | $1 |
| Lazard Asset Management LLC | 0.00% | Reduce -85.2% | 816 | $0 |
"% of holder's portfolio" is CTMX's weight in each manager's 13F, not the share of Cytomx Therapeutics Inc. the manager owns.