Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

13%

Beneficial ownership of this reported class.

Shares

8,714,522 shares

Shares beneficially owned as disclosed.

Event date

24 Jul 2025

Date tied to the ownership event or amendment.

Accepted by SEC

28 Jul 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 Names, identifiers, and filing context for this profile. 2 source fields
Symbol
GLPG
Shares outstanding
65,919,228 shares
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
28 Jul 2025, 20:37:36 UTC
Event date
24 Jul 2025
Prior SEC filing
19 May 2025
Source filing
View source filing

Key filing fact

EcoR1 Capital, LLC disclosed 13% ownership in Galapagos NV Ordinary Shares, no par value (GLPG) on 24 Jul 2025.

Key facts

  • EcoR1 Capital, LLC filed SCHEDULE 13D/A for Galapagos NV Ordinary Shares, no par value (GLPG).
  • Disclosed ownership: 13%.
  • Date of event: 24 Jul 2025.

Change

  • Previous schedule filing date: 19 May 2025.
  • Current filing was accepted on 28 Jul 2025, 20:37.

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.

View source filing

Reporting persons

Disclosed reporting parties (4)

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
EcoR1 Capital, LLC 13% 8,714,522 0 8,714,522 /s/ Oleg Nodelman Manager 0001587114
Oleg Nodelman 13% 8,714,522 0 8,714,522 /s/ Oleg Nodelman Reporting Person 0001454385
EcoR1 Capital Fund Qualified, L.P. 12% 8,192,077 0 8,192,077 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC 0001598292
EcoR1 Capital Fund, L.P. 0.79% 522,445 0 522,445 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC 0001567938
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