Institutional shares held 44.9 Million
8.9K calls
47.9K puts
Total value of holdings $104M
$20K calls
$110K puts
Market Cap $152M
65,950,200 Shares Out.
Institutional ownership 68.13%
# of Institutions 67


Latest Institutional Activity in CTMX

Top Purchases

Q1 2025
Woodline Partners LP Shares Held: 1.66M ($3.83M)
Q1 2025
Ra Capital Management, L.P. Shares Held: 1M ($2.31M)
Q1 2025
Gsa Capital Partners LLP Shares Held: 763K ($1.76M)
Q1 2025
Bank Of America Corp Shares Held: 464K ($1.07M)
Q1 2025
Ubs Group Ag Shares Held: 747K ($1.73M)

Top Sells

Q1 2025
Jacobs Levy Equity Management, Inc Shares Held: 686K ($1.59M)
Q1 2025
Schonfeld Strategic Advisors LLC Shares Held: 589K ($1.36M)
Q1 2025
Jpmorgan Chase & CO Shares Held: 105K ($243K)
Q1 2025
Tang Capital Management LLC Shares Held: 6.72M ($15.5M)
Q1 2025
Millennium Management LLC Shares Held: 2.83M ($6.53M)

About CTMX

CytomX Therapeutics, Inc. operates as an oncology-focused biopharmaceutical company in the United States. The company develops antibody therapeutics based on its Probody technology platform for the treatment of cancer. The company's product candidates include CX-2009, an antibody drug conjugates (ADC) against CD166, which is in Phase II clinical trials for the treatment of breast cancer; CX-2029 that is in Phase II clinical trials for the treatment of squamous non-small cell lung cancer, head and neck squamous cell carcinoma, esophageal and gastro-esophageal junction cancers, and diffuse large B-cell lymphoma; BMS-986249, a CTLA-4 Probody therapeutic drug, which is in Phase I/II clinical trials for the treatment of metastatic melanoma; and BMS-986288, an anti-CTLA-4 Probody drug, which is in Phase I clinical trials for the treatment of solid tumors. It also develops CX-2043, a conditionally activated ADC targeting the epithelial cell adhesion molecule, as well as CX-904, a conditionally activated epidermal growth factor receptor for the treatment of solid tumor. The company has strategic collaborations with AbbVie Ireland Unlimited Company, Amgen, Inc., Bristol-Myers Squibb Company, ImmunoGen, Inc., Pfizer Inc., and Astellas Pharma Inc. to develop Probody therapeutics. CytomX Therapeutics, Inc. was founded in 2008 and is headquartered in South San Francisco, California.


Insider Transactions at CTMX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
981K Shares
From 9 Insiders
Exercise of conversion of derivative security 303K shares
Grant, award, or other acquisition 678K shares
Sell / Disposition
190K Shares
From 6 Insiders
Open market or private sale 190K shares

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