Institutional shares held 39.4 Million
243K calls
110K puts
Total value of holdings $336M
$2.07M calls
$942K puts
Market Cap $748M
87,622,896 Shares Out.
Institutional ownership 44.96%
# of Institutions 75


Latest Institutional Activity in CMRX

Top Purchases

Q1 2025
Sg Americas Securities, LLC Shares Held: 26.6K ($227K)
Q1 2025
Rhumbline Advisers Shares Held: 2.01K ($17.1K)
Q4 2024
Deerfield Management Company, L.P. (Series C) Shares Held: 3.77M ($32.2M)
Q4 2024
Marshall Wace, LLP Shares Held: 2.21M ($18.9M)
Q4 2024
Peapod Lane Capital LLC Shares Held: 755K ($6.44M)

Top Sells

Q4 2024
Monaco Asset Management Sam Shares Held: 2.82M ($24.1M)
Q4 2024
Renaissance Technologies LLC Shares Held: 820K ($7.01M)
Q4 2024
Yakira Capital Management, Inc. Shares Held: 103K ($884K)
Q4 2024
Citadel Advisors LLC Shares Held: 729K ($6.23M)
Q4 2024
Vanguard Group Inc Shares Held: 4.04M ($34.5M)

About CMRX

Chimerix, Inc., a biopharmaceutical company, develops medicines to enhance the lives of patients living with serious diseases. The company's approved product is TEMBEXA (brincidofovir), a lipid conjugate through inhibition of viral DNA synthesis that is developed as a medical countermeasure for smallpox. Its clinical stage development programs include ONC201 a program for treating tumors which harbor the H3 K27M mutation in recurrent diffuse midline glioma patients; ONC206, an imipridone, Dopamine Receptor D2 (DRD2) antagonist, and caseinolytic protease P (ClpP) agonist that demonstrated enhanced non-competitive DRD2 antagonism relative to ONC201, which is in Phase I clinical trials to treat solid tumors; ONC212, an imipridone agonist of the orphan G protein-coupled receptors (GPCR) tumor suppressor GPR132, as well as ClpP for solid tumors and hematological malignancies, including pancreatic cancer and leukemias; and dociparstat sodium (DSTAT), which inhibits the activities of key proteins implicated in the resistance of acute myeloid leukemia blasts and leukemic stem cells to chemotherapy. The company has license agreements with Biomedical Advanced Research and Development Authority for the development of brincidofovir for use in the treatment of smallpox; Cantex Pharmaceuticals, Inc. to develop and commercialize a glycosaminoglycan compound; and SymBio Pharmaceuticals to develop, manufacture, and commercialize BCV for various human indications. Chimerix, Inc. was incorporated in 2000 and is headquartered in Durham, North Carolina.


Insider Transactions at CMRX

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
344K Shares
From 6 Insiders
Grant, award, or other acquisition 344K shares
Sell / Disposition
82K Shares
From 6 Insiders
Open market or private sale 22K shares
Bona fide gift 60K shares

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P - Open market or private purchase×
S - Open market or private sale×
V - Transaction voluntarily reported earlier than required×
A - Grant, award, or other acquisition×
D - Sale (or disposition) back to the issuer×
F - Payment of exercise price or tax liability×
I - Discretionary transaction×
M - Exercise of conversion of derivative security×
C - Conversion of derivative security×
E - Expiration of short derivative position×
H - Expiration (or cancellation) of long derivative position with value received×
O - Exercise of out-of-the-money derivative securities×
X - Exercise of in-the-money or at-the-money derivatives securities×
G - Bona fide gift×
L - Small Acquisition×
W - Acquisition or disposition by will or laws×
Z - Deposit into or withdrawal from voting trust×
J - Other acquisition or disposition×
K - Transaction in equity swap or similar instrument×
U - Disposition due to a tender of shares in a change of control transaction×
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