Institutional shares held 66.6 Million
10.6K calls
917K puts
Total value of holdings $570M
$90K calls
$7.85M puts
Market Cap $390M
45,612,200 Shares Out.
Institutional ownership 146.0%
# of Institutions 153


Latest Institutional Activity in CGEM

Top Purchases

Q3 2025
Assenagon Asset Management S.A. Shares Held: 178K ($1.52M)
Q3 2025
Sg Americas Securities, LLC Shares Held: 10.5K ($89.6K)
Q3 2025
Cwm, LLC Shares Held: 2.56K ($21.9K)
Q3 2025
Gamma Investing LLC Shares Held: 748 ($6.4K)
Q3 2025
Signaturefd, LLC Shares Held: 523 ($4.48K)

Top Sells

Q3 2025
Farther Finance Advisors, LLC Shares Held: 137 ($1.17K)
Q2 2025
Alliancebernstein L.P. Shares Held: 47.6K ($408K)
Q2 2025
Millennium Management LLC Shares Held: 511K ($4.37M)
Q2 2025
Kynam Capital Management, LP Shares Held: 2.1M ($17.9M)
Q2 2025
Morgan Stanley Shares Held: 242K ($2.07M)

About CGEM

Cullinan Oncology Inc., a biopharmaceutical company, focuses on developing a pipeline of targeted oncology and immuno-oncology therapies for cancer patients in the United States. The company's lead candidate is the CLN-081, an orally available small molecule that is in a Phase I/IIa dose escalation and expansion trial for treating patients with non-small cell lung cancer. Its preclinical products include CLN-049, a humanized bispecific antibody for the treatment of acute myeloid leukemia; CLN-619, a monoclonal antibody for the treatment of solid tumors; CLN-617, a fusion protein for the treatment of solid tumors; CLN-978, a T cell engaging antibody for B-cell malignancies; Opal, a bispecific fusion protein to block the PD-1 axis, and to activate the 4-IBB/CD137 pathway on T cells in tumors; and Jade, a cell therapy to target a novel senescence and cancer-related protein. The company has collaboration agreements with Cullinan Pearl Corp. to develop, manufacture, and commercialize CLN-081 and products containing CLN-081; and Adimab, LLC to discover and/or optimize antibodies. Cullinan Oncology, Inc. was incorporated in 2016 and is headquartered in Cambridge, Massachusetts.


Insider Transactions at CGEM

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
2.15M Shares
From 7 Insiders
Grant, award, or other acquisition 443K shares
Open market or private purchase 1.71M shares
Sell / Disposition
61.6K Shares
From 4 Insiders
Open market or private sale 61.6K shares

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