Cytomx TherapeuticsCTMX

13F holders, Q2 2025 (June 30)
83holders +17
29new positions
12sold out
4famous investors
$2.27avg. 13F price*

At the end of Q2 2025, 83 institutions reported holding Cytomx Therapeutics Inc. (CTMX) in their 13F filings, up 17 from Q1 2025. 29 opened new positions and 12 sold out. The largest holders were Venrock Adviser, LLC ($31.7M), Tang Capital Management LLC ($25.1M) and Vanguard Group Inc. ($21.3M). 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 Israel Englander (0.0% of Millennium Management's portfolio).

Company
Cytomx Therapeutics Inc.
CUSIP
23284F105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 88Q1 2024Q2 2024: 74Q2 2024Q3 2024: 69Q3 2024Q4 2024: 70Q4 2024Q1 2025: 66Q1 2025Q2 2025: 83Q2 2025Q3 2025: 103Q3 2025Q4 2025: 122Q4 2025Q1 2026: 179Q1 2026Q2 2026: 178Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions29$154.5M
Exits12$5.4M

All 13F filers, Q1 2025 → Q2 2025: 103,331,945 shares bought and 15,300,865 shares sold, net +88,031,080 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 83 holders

Venrock Adviser, LLC 2.38% New 13,969,882 $31.7M
Tang Capital Management LLC 1.27% Add +64.7% 11,065,662 $25.1M
Vanguard Group Inc. 0.00% Add +83.3% 9,379,794 $21.3M
FMR LLC 0.00% Add +8429.9% 9,238,868 $21.0M
Orbimed Advisors LLC 0.48% New 8,461,500 $19.2M
Point72 Asset Management 0.05% Add +205.1% 8,084,623 $18.4M
Commodore Capital LP 1.23% New 7,692,300 $17.5M
Perceptive Advisors LLC 0.60% New 6,993,646 $15.9M
Vivo Capital, LLC 1.34% New 5,769,230 $13.1M
Franklin Resources Inc. 0.00% New 5,769,230 $13.1M
Fairmount Funds Management LLC 1.15% New 3,896,582 $8.8M
Prosight Management, LP 1.95% Reduce -10.5% 3,517,113 $8.0M
Baker Bros. Advisors LP 0.08% New 3,484,226 $7.9M
RTW Investments, LP 0.11% New 3,461,500 $7.9M
ADAR1 Capital Management, LLC 1.15% Add +6451.2% 3,081,414 $7.0M
Balyasny Asset Management L.P. 0.01% New 2,865,625 $6.5M
Ra Capital Management, L.P. 0.10% Add +166.1% 2,661,331 $6.0M
BlackRock, Inc. 0.00% Add +104.8% 2,388,453 $5.4M
Marshall Wace, LLP 0.01% Add +2650.9% 2,353,122 $5.3M
Woodline Partners LP 0.03% Add +41.0% 2,336,899 $5.3M
Kynam Capital Management, LP 0.53% New 2,154,413 $4.9M
Renaissance Technologies 0.01% Add +61.1% 1,862,200 $4.2M
Geode Capital Management, LLC 0.00% Add +103.4% 1,745,176 $4.0M
Acadian Asset Management LLC 0.01% Reduce -51.9% 1,557,036 $3.5M
Soleus Capital Management, L.P. 0.20% New 1,304,300 $3.0M
Readystate Asset Management LP 0.14% New 844,643 $1.9M
Assenagon Asset Management S.A. 0.00% Add +1.2% 720,020 $1.6M
State Street Corp. 0.00% Add +99.7% 639,040 $1.5M
Gsa Capital Partners LLP 0.10% Reduce -17.3% 630,809 $1.4M
Northern Trust Corp. 0.00% Add +198.8% 450,107 $1.0M
UBS Group AG 0.00% Reduce -45.4% 408,035 $926K
Morgan Stanley 0.00% Add +459.9% 339,206 $770K
Formidable Asset Management, LLC 0.12% Reduce -11.6% 312,850 $710K
Tidal Investments LLC 0.00% Reduce -11.6% 312,850 $710K
Susquehanna International Group, LLP 0.00% Add +915.9% 291,896 $663K
Raymond James Financial Inc. 0.00% New 283,560 $644K
Informed Momentum Co LLC 0.09% New 254,580 $578K
Bank of New York Mellon Corp 0.00% Add +4.4% 252,659 $574K
Royal Bank of Canada 0.00% New 243,547 $552K
Millennium Management 0.00% Reduce -91.7% 233,339 $530K
LPL Financial LLC 0.00% Add +375.5% 201,224 $457K
Dimensional Fund Advisors LP 0.00% New 183,166 $416K
Two Sigma Investments, LP 0.00% Add +35.4% 157,681 $358K
Bridgeway Capital Management, LLC 0.01% Reduce -58.9% 126,000 $286K
XTX Topco Ltd 0.01% New 121,899 $277K
Aspire Growth Partners LLC 0.19% Add +10.8% 102,254 $232K
Susquehanna Portfolio Strategies, LLC 0.00% New 99,410 $226K
Congress Park Capital LLC 0.07% Reduce -85.8% 95,422 $217K
Charles Schwab Investment Management Inc. 0.00% Add +256.0% 88,570 $201K
Citadel Advisors 0.00% Add +85409.0% 85,509 $194K
Velan Capital Investment Management LP 0.17% No change 75,000 $170K
Commonwealth Equity Services, LLC 0.00% Reduce -1.8% 53,243 $121K
Miller Financial Services LLC 0.15% No change 51,000 $116K
Bayesian Capital Management, LP 0.02% New 50,117 $114K
Squarepoint Ops LLC 0.00% New 49,392 $112K
Two Sigma Securities, LLC 0.01% New 47,311 $107K
Private Advisor Group, LLC 0.00% No change 44,002 $100K
Lazard Asset Management LLC 0.00% Add +5208.3% 43,316 $98K
Virtu Financial LLC 0.00% Add +197.8% 35,136 $80K
Tower Research Capital LLC (TRC) 0.00% Add +188.6% 29,661 $67K
Vanguard Personalized Indexing Management, LLC 0.00% Add +63.6% 28,966 $66K
Forefront Analytics, LLC 0.07% Reduce -72.3% 27,698 $63K
Prudential Financial Inc. 0.00% Reduce -68.5% 25,700 $58K
WestHill Financial Advisors, Inc. 0.01% No change 17,082 $39K
Osaic Holdings, Inc. 0.00% Add +5.6% 16,210 $37K
Truvestments Capital LLC 0.01% New 14,868 $34K
Goldman Sachs Group Inc. 0.00% Reduce -76.2% 14,678 $33K
Pursue Wealth Partners LLC 0.02% New 14,492 $33K
Invesco Ltd. 0.00% New 14,171 $32K
Nierenberg Investment Management Company, LLC 0.02% No change 12,555 $29K
IPG Investment Advisors LLC 0.01% No change 12,500 $28K
Victory Capital Management Inc. 0.00% New 12,435 $28K
Jane Street Group, LLC 0.00% Reduce -40.0% 11,968 $27K
Peregrine Asset Advisers, Inc. 0.01% No change 10,000 $23K
Meridian Wealth Management, LLC 0.00% No change 10,000 $23K
Bank of America Corp. 0.00% Reduce -99.0% 4,771 $11K
Private Wealth Asset Management, LLC 0.00% New 4,000 $9K
Caitong International Asset Management Co., Ltd 0.00% New 1,656 $4K
Federated Hermes, Inc. 0.00% New 398 $903
JPMorgan Chase & Co. 0.00% Reduce -99.7% 281 $638
SBI Securities Co., Ltd. 0.00% Reduce -22.2% 84 $191
BNP Paribas Financial Markets 0.00% No change 17 $39
Barclays PLC 0.00% No change 2 $5

"% of holder's portfolio" is CTMX's weight in each manager's 13F, not the share of Cytomx Therapeutics Inc. the manager owns.