Quick Takeaways
- RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G for Zai Lab Limited Ordinary Shares, par value $0.000006 per share (ZLAB).
- Disclosed ownership: 5.2%.
- Date of event: 30 Mar 2026.
RA CAPITAL MANAGEMENT, L.P. - 30 Mar 2026 SCHEDULE 13G Report for Zai Lab Limited Ordinary Shares, par value $0.000006 per share (ZLAB)
- Filing Manager
- RA CAPITAL MANAGEMENT, L.P.
- Reporting Manager
- RA Capital Management, L.P.
- Symbol
- ZLAB
- Shares outstanding
- 1,104,525,577 shares
- Disclosed Ownership
- 57,435,330 shares
- Ownership
- 5.2%
- Form type
- SCHEDULE 13G
- Filing time
- 06 Apr 2026, 18:54:40 UTC
- Date of event
- 30 Mar 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"RA CAPITAL MANAGEMENT, L.P. disclosed 5.2% ownership in Zai Lab Limited Ordinary Shares, par value $0.000006 per share (ZLAB) on 30 Mar 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 06 Apr 2026, 18:54.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RA Capital Management, L.P. | 5.2% | 57,435,330 | 0 | 57,435,330 | /s/ Peter Kolchinsky | By Peter Kolchinsky, Authorized Signatory | |
| Peter Kolchinsky | 5.2% | 57,435,330 | 0 | 57,435,330 | /s/ Peter Kolchinsky | Peter Kolchinsky | |
| Rajeev Shah | 5.2% | 57,435,330 | 0 | 57,435,330 | /s/ Rajeev Shah | Rajeev Shah | |
| RA Capital Healthcare Fund, L.P. | 5.2% | 57,435,330 | 0 | 57,435,330 | /s/ Peter Kolchinsky | By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager |