Zai Lab Ltd
ZLAB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001704292
In the last 90 days, Zai Lab Ltd insiders filed 1 open-market purchase and 4 sales; 92 institutions reported holding it in 13F filings for Q2 2026, worth $819.0M in total; no superinvestor holds it.
Holders of 5% or more of ZLAB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Zai Lab Ltd, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 8.50%94.4M shares | +1.60 ppfrom 6.90% | Feb 12, 20252 filings | Aug 6, 2025 | SEC |
| Qiming Venture Partners IV, L.P. | 13G/A | 5.97%66.3M shares | – | Aug 12, 20251 filing | Aug 12, 2025 | SEC |
| RTW Investments, LP | 13G | 5.10%55.4M shares | New | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
9 Schedule 13D and 13G filings on Zai Lab Ltd, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 20258:35 AM ET | RTW Investments, LPand 1 other | 13G/A | 2.10%22.9M shares | −3.00 ppfrom 5.10%Below 5% | Sep 30, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G | 6.00%67.4M shares | +1.50 ppfrom 4.50% | Sep 30, 2025 | SEC |
| Nov 5, 202511:49 AM ET | FMR LLCand 1 other | 13G/A | 6.40%71.7M shares | −2.10 ppfrom 8.50% | Sep 30, 2025 | SEC |
| Aug 14, 20258:14 AM ET | RTW Investments, LPand 1 other | 13G | 5.10%55.4M shares | New | Jun 30, 2025 | SEC |
| Aug 12, 202510:34 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 4.50%50.1M shares | −1.90 ppfrom 6.40%Below 5% | Jun 30, 2025 | SEC |
| Aug 12, 20256:07 AM ET | Qiming Venture Partners IV, L.P.and 4 others | 13G/A | 5.97%66.3M shares | – | Jun 30, 2025 | SEC |
| Aug 6, 202512:19 PM ET | FMR LLCand 1 other | 13G/A | 8.50%94.4M shares | +1.60 ppfrom 6.90% | Jun 30, 2025 | SEC |
| May 14, 202510:39 AM ET | Janus Henderson Group PLC | 13G/A | 3.60%39.5M shares | −2.50 ppfrom 6.10%Below 5% | Mar 31, 2025 | SEC |
| May 12, 202510:44 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 6.40%70.3M shares | −2.80 ppfrom 9.20% | Mar 31, 2025 | SEC |
| Feb 14, 202512:33 PM ET | Janus Henderson Group PLC | 13G/A | 6.10%66.9M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20259:25 AM ET | FMR LLCand 1 other | 13G | 6.90%75.1M shares | New | Dec 31, 2024 | SEC |
| Feb 10, 202510:25 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 9.20%100.6M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Zai Lab Ltd shares.
No Form 144 notices for Zai Lab Ltd are on file.