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 |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 1,289,656 | $5.49M | 0.00% | +838,528+185.9% | Added |
| Geode Capital Management, LLC | 1,525,666 | $6.50M | 0.00% | −43,632−2.8% | Reduced |
| Two Sigma Investments, LP | 1,560,755 | $6.65M | 0.01% | +831,057+113.9% | Added |
| Woodline Partners LP | 2,337,005 | $9.96M | 0.04% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 2,460,944 | $10.5M | 0.00% | +2,013,191+449.6% | Added |
| Eversept Partners, LP | 2,507,090 | $10.7M | 0.60% | +2,507,090 | New |
| Vivo Capital, LLC | 2,884,615 | $12.3M | 0.79% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 3,172,616 | $13.5M | 1.75% | −200,000−5.9% | Reduced |
| OrbiMed Advisors LLC | 3,525,650 | $15.0M | 0.31% | −4,935,850−58.3% | Reduced |
| BlackRock, Inc. | 3,669,393 | $15.6M | 0.00% | +1,287,481+54.1% | Added |
| Financial Engines Advisors L.L.C. | 3,828,717 | $16.3M | 0.03% | +2,447,360+177.2% | Added |
| Balyasny Asset Management LLC | 3,872,202 | $16.5M | 0.03% | −40,879−1.0% | Reduced |
| ADAR1 Capital Management, LLC | 4,182,769 | $17.8M | 1.33% | +137,355+3.4% | Added |
| Baker Bros. Advisors LP | 4,250,826 | $18.1M | 0.11% | 00.0% | Unchanged |
| State Street Corp | 5,140,931 | $21.9M | 0.00% | +4,495,949+697.1% | Added |
| Point72 Asset Management, L.P. | 5,189,538 | $22.1M | 0.03% | +1,120,963+27.6% | Added |
| Commodore Capital LP | 7,692,300 | $32.8M | 2.18% | 00.0% | Unchanged |
| Vanguard Group Inc | 8,475,584 | $36.1M | 0.00% | −472,223−5.3% | Reduced |
| Kynam Capital Management, LP | 8,966,077 | $38.2M | 2.49% | +5,319,574+145.9% | Added |
| Perceptive Advisors LLC | 9,680,185 | $41.2M | 0.76% | 00.0% | Unchanged |
| VR Adviser, LLC | 15,561,500 | $66.3M | 3.27% | 00.0% | Unchanged |
| FMR LLC | 24,688,109 | $105.2M | 0.01% | +9,291,909+60.4% | Added |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −11,065,662−100.0% | Sold out |
| RTW Investments, LP | 0 | $0 | 0.00% | −3,461,500−100.0% | Sold out |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −2,661,331−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −2,545,260−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −564,800−100.0% | Sold out |
| Precision Wealth Strategies, LLC | 0 | $0 | 0.00% | −237,081−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −185,286−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −125,035−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −50,773−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −42,645−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −23,300−100.0% | Sold out |
| BlueChip Wealth Advisors LLC | 0 | $0 | 0.00% | −23,000−100.0% | Sold out |
| Forefront Wealth Partners, LLC | 0 | $0 | 0.00% | −18,109−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −16,285−100.0% | Sold out |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 0 | $0 | 0.00% | −10,747−100.0% | Sold out |
| Meridian Wealth Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Private Wealth Asset Management, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −274−100.0% | Sold out |