Ownership signal 2 signals
Large-stake signal

Form

SCHEDULE 13G/A

Passive or exempt beneficial ownership filing.

Ownership

6.5%

Beneficial ownership of this reported class.

Shares

5,581,828 shares

Shares beneficially owned as disclosed.

Event date

30 Jun 2025

Date tied to the ownership event or amendment.

Accepted by SEC

13 Aug 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security 2 source fields
Symbol
SNDX
Shares outstanding
85,874,278 shares
Source evidence 5 source fields
Form type
SCHEDULE 13G/A
Accepted by SEC
13 Aug 2025, 17:52:51 UTC
Event date
30 Jun 2025
Previous filing
09 May 2025
SEC filing
View on sec.gov

Key filing fact

GOLDMAN SACHS GROUP INC disclosed 6.5% ownership in SYNDAX PHARMACEUTICALS, INC. Common Stock (SNDX) on 30 Jun 2025.

Key facts

  • GOLDMAN SACHS GROUP INC filed SCHEDULE 13G/A for SYNDAX PHARMACEUTICALS, INC. Common Stock (SNDX).
  • Disclosed ownership: 6.5%.
  • Date of event: 30 Jun 2025.

Change

  • Previous schedule filing date: 09 May 2025.
  • Current filing was accepted on 13 Aug 2025, 17:52.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Disclosed reporting parties (2)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
THE GOLDMAN SACHS GROUP, INC. 6.5% 5,581,828 0 5,581,718 Name: Attorney-in-fact
GOLDMAN SACHS & CO. LLC 6.5% 5,581,828 0 5,581,718 Name: Attorney-in-fact
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