Form
SCHEDULE 13G/A
Passive or exempt beneficial ownership filing.
MPC Management III L.P. - 30 Sep 2025 SCHEDULE 13G/A Report for So-Young International Inc. Class A ordinary shares (SY)
- Filing manager
- MPC Management III L.P.
- Reporting owner
- MPC Management III L.P. (f/k/a Matrix China Management III, L.P.)
- Beneficially owned shares
- 6,221,153 shares
- Large-stake signal
-
Ownership
6.8%Beneficial ownership of this reported class.
Shares
6,221,153 sharesShares beneficially owned as disclosed.
Event date
30 Sep 2025Date tied to the ownership event or amendment.
Accepted by SEC
27 Oct 2025EDGAR 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.
- Class ownership
- 6.8%
- Symbol
- SY
- Shares outstanding
- 91,487,544 shares
- SEC form
- SCHEDULE 13G/A
- Accepted by SEC
- 27 Oct 2025, 17:22:52 UTC
- Event date
- 30 Sep 2025
- Prior SEC filing
- 14 Aug 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
MPC Management III L.P. disclosed 6.8% ownership in So-Young International Inc. Class A ordinary shares (SY) on 30 Sep 2025.
Key facts
- MPC Management III L.P. filed SCHEDULE 13G/A for So-Young International Inc. Class A ordinary shares (SY).
- Disclosed ownership: 6.8%.
- Date of event: 30 Sep 2025.
Change
- Previous schedule filing date: 14 Aug 2025.
- Current filing was accepted on 27 Oct 2025, 17:22.
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
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (6)
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 |
|---|---|---|---|---|---|---|---|
| MPC III L.P. (f/k/a Matrix Partners China III, L.P.) | 6.1% | 5,599,035 | 0 | 5,599,035 | /s/ David Su | David Su, Director of the general partner of the Reporting Person's general partner | |
| MPC III-A L.P. (f/k/a Matrix Partners China III-A, L.P.) | 0.7% | 622,118 | 0 | 622,118 | /s/ David Su | David Su, Director of the general partner of the Reporting Person's general partner | |
| MPC Management III L.P. (f/k/a Matrix China Management III, L.P.) | 6.8% | 6,221,153 | 0 | 6,221,153 | /s/ David Su | David Su, Director of the Reporting Person's general partner | |
| MPC GPGP III Ltd. (f/k/a Matrix China III GP GP Ltd.) | 6.8% | 6,221,153 | 0 | 6,221,153 | /s/ David Su | David Su, Director | |
| MPC III HK Limited (f/k/a Matrix Partners China III Hong Kong Limited) | 6.8% | 6,221,153 | 0 | 6,221,153 | /s/ David Su | David Su, Director | |
| David Su Tuong Sing | 6.8% | 6,221,153 | 0 | 6,221,153 | /s/ David Su | David Su |
CIK / CUSIP context first