Institutional shares held 92.7 Million
1.39M calls
543K puts
Total value of holdings $1.07B
$16M calls
$6.26M puts
Market Cap $653M
56,565,200 Shares Out.
Institutional ownership 163.89%
# of Institutions 233


Latest Institutional Activity in SNDX

Top Purchases

Q1 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 13.2K ($152K)
Q1 2025
Rhumbline Advisers Shares Held: 121K ($1.39M)
Q1 2025
Exchange Traded Concepts, LLC Shares Held: 9.77K ($113K)
Q1 2025
Rothschild Investment LLC Shares Held: 130 ($1.5K)
Q1 2025
Stephens Consulting, LLC Shares Held: 30 ($346)

Top Sells

Q1 2025
Assenagon Asset Management S.A. Shares Held: 2.04M ($23.5M)
Q1 2025
Gamma Investing LLC Shares Held: 79 ($912)
Q1 2025
Farther Finance Advisors, LLC Shares Held: 71 ($819)
Q1 2025
Parallel Advisors, LLC Shares Held: 332 ($3.83K)
Q1 2025
Massmutual Trust CO Fsb Shares Held: 46 ($531)

About SNDX

Syndax Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops therapies for the treatment of cancer. Its lead product candidates are SNDX-5613, which is in phase 1/2 clinical trial targeting the binding interaction of Menin with the mixed lineage leukemia 1 protein for the treatment of MLL-rearranged (MLLr) and nucleophosmin 1 mutant acute myeloid leukemia (NPM1c AML); and SNDX-6352 or axatilimab, a monoclonal antibody that blocks the colony stimulating factor 1, or CSF-1 receptor for the treatment of patients with chronic graft versus host disease (cGVHD). The company is also developing Entinostat. It also has collaborative research and development agreement with National Cancer Institute; a clinical trial agreement with Eastern Cooperative Oncology Group; and a license agreement with Kyowa Hakko Kirin Co., Ltd. Syndax Pharmaceuticals, Inc. was incorporated in 2005 and is headquartered in Waltham, Massachusetts.Massachusetts.


Insider Transactions at SNDX

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
448K Shares
From 12 Insiders
Grant, award, or other acquisition 433K shares
Exercise of conversion of derivative security 13.9K shares
Open market or private purchase 1.25K shares
Sell / Disposition
29.5K Shares
From 3 Insiders
Open market or private sale 29.5K 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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