Zai Lab Ltd
ZLAB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001704292
In the last 90 days, Zai Lab Ltd insiders filed 0 open-market purchases and 1 sale; 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 |
|---|---|---|---|---|---|---|
| RTW Investments, LP | 13G | 6.30%69.6M shares | +4.20 ppfrom 2.10% | Aug 14, 20253 filings | Feb 17, 2026 | SEC |
| Qiming Venture Partners IV, L.P. | 13G/A | 5.97%66.3M shares | – | Feb 14, 20223 filings | Aug 12, 2025 | SEC |
| TCG Crossover GP II, LLC | 13G | 5.30%59.1M shares | New | Jun 11, 20261 filing | Jun 11, 2026 | SEC |
| Ra Capital Management, L.P. | 13G | 5.20%57.4M shares | New | Apr 6, 20261 filing | Apr 6, 2026 | 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
44 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 |
|---|---|---|---|---|---|---|
| Jun 11, 20267:02 PM ET | TCG Crossover GP II, LLCand 4 others | 13G | 5.30%59.1M shares | New | Jun 2, 2026 | SEC |
| Apr 6, 20266:54 PM ET | Ra Capital Management, L.P.and 3 others | 13G | 5.20%57.4M shares | New | Mar 30, 2026 | SEC |
| Feb 17, 20268:56 AM ET | RTW Investments, LPand 1 other | 13G | 6.30%69.6M shares | +4.20 ppfrom 2.10% | Dec 31, 2025 | SEC |
| Feb 13, 20267:43 PM ET | Qiming Corporate GP IV, Ltdand 4 others | 13G/A | 4.40%48.9M shares | –Below 5% | Dec 31, 2025 | SEC |
| Feb 13, 20265:32 PM ET | Capital World Investors | 13G/A | 0.20%1.72M shares | –Below 5% | Dec 31, 2025 | SEC |
| Feb 10, 20261:49 PM ET | Wellington Management Group LLPand 2 others | 13G/A | 4.30%48.1M shares | −1.70 ppfrom 6.00%Below 5% | Dec 31, 2025 | SEC |
| Feb 5, 20261:43 PM ET | FMR LLCand 1 other | 13G/A | 3.90%43.5M shares | −2.50 ppfrom 6.40%Below 5% | Dec 31, 2025 | SEC |
| 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 | – | 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 |
| Nov 14, 2024 | Janus Henderson Group PLC | 13GOld format | – | New | – | SEC |
| Nov 8, 2024 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jun 6, 2024 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | Capital World Investors | 13GOld format | – | – | – | SEC |
| Feb 9, 2024 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2024 | Wellington Management Group LLP | 13GOld format | – | – | – | SEC |
| Feb 1, 2024 | Invesco Ltd. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Qiming Venture Partners IV, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Capital World Investors | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Invesco Ltd. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 6, 2023 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jul 5, 2022 | Baillie Gifford & Co | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Du Ying | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Qiming Venture Partners IV, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Invesco Ltd. | 13GOld format | – | New | – | SEC |
| Feb 11, 2022 | Capital World Investors | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Group LLP | 13GOld format | – | New | – | SEC |
| Jan 27, 2022 | Baillie Gifford & Co | 13GOld format | – | New | – | SEC |
| Nov 10, 2021 | Capital World Investors | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Capital World Investors | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2021 | Advantech Capital L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Du Ying | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
116 notices from officers, directors and other affiliates planning to sell Zai Lab Ltd shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Aug 20, 20264:20 PM ET | Smiley Joshua LFormer officer | 98.7K | $2.58M | Aug 20, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 19, 20261:51 PM ET | Chen YajingOfficer | 260 | $7.02K | Aug 19, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 12, 202610:42 AM ET | Lis WilliamDirector | 8.51K | $212.7K | Aug 12, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 11, 20264:22 PM ET | Chen YajingOfficer | 619 | $15.5K | Aug 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 30, 20263:13 PM ET | Du YingOfficer · Director | 7.03K | $130.2K | Jun 30, 2026 | Fidelity Brokerage Services LLC | SEC |
| Jun 26, 20263:38 PM ET | Chen YajingOfficer | 2.26K | $39.5K | Jun 26, 2026 | Fidelity Brokerage Services LLC | SEC |
| Jun 26, 20263:18 PM ET | Edmondson Frazor Titus IIIOfficer | 4.10K | $71.6K | Jun 26, 2026 | Fidelity Brokerage Services LLC | SEC |
| Jun 26, 20263:12 PM ET | Du YingOfficer · Director | 24.5K | $428.6K | Jun 26, 2026 | Fidelity Brokerage Services LLC | SEC |
| Jun 22, 202610:10 AM ET | Lis WilliamDirector | 7.04K | $127.4K | Jun 22, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 18, 202611:34 AM ET | Du YingOfficer · Director | 50.0K | $976.0K | May 18, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 15, 20269:49 AM ET | Du YingOfficer · Director | 50.0K | $1.02M | May 15, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 14, 20264:17 PM ET | Du YingOfficer · Director | 50.0K | $1.00M | May 14, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 14, 20269:50 AM ET | Edmondson Frazor Titus IIIOfficer | 3.52K | $71.0K | May 14, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 13, 20262:06 PM ET | Du YingOfficer · Director | 50.0K | $960.0K | May 13, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Apr 6, 20263:26 PM ET | Smiley Joshua LOfficer | 3.02K | $61.7K | Apr 6, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 6, 20263:21 PM ET | Du YingOfficer · Director | 2.65K | $54.2K | Apr 6, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 6, 20263:15 PM ET | Edmondson Frazor Titus IIIOfficer | 1.22K | $25.0K | Apr 6, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 6, 20263:11 PM ET | Amado RafaelOfficer | 2.74K | $56.0K | Apr 6, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 6, 20263:04 PM ET | Chen YajingOfficer | 853 | $17.4K | Apr 6, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 2, 20264:59 PM ET | Amado RafaelOfficer | 9.91K | $202.1K | Apr 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 2, 20264:56 PM ET | Du YingOfficer · Director | 5.58K | $113.7K | Apr 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 2, 20264:40 PM ET | Smiley Joshua LOfficer | 9.61K | $196.0K | Apr 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 2, 20264:28 PM ET | Edmondson Frazor Titus IIIOfficer | 4.19K | $85.5K | Apr 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 2, 20264:20 PM ET | Chen YajingOfficer | 5.20K | $106.0K | Apr 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 13, 20264:04 PM ET | Edmondson Frazor Titus IIIOfficer | 1.28K | $23.9K | Mar 13, 2026 | Fidelity Brokerage Services LLC | SEC |
Showing the latest 25. See the ZLAB notices from the last 12 months