Security record · archived quarter
ZLAB
Zai Lab Limited · Healthcare · Biotechnology
40Tracked holders
-10Δ holders
13.04MShares held
$247.56MReported value
+1New positions
−11Exits
Momentum inputs (comparable managers):
holder breadth -20.0% ·
share flow +30.0% ·
net new positions -20.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 40 | -10 | 13.04M | $247.56M | +1 | −11 |
| Q1 2026 | 51 | -8 | 9.02M | $169.34M | +7 | −15 |
| Q4 2025 | 58 | 0 | 14.32M | $252.66M | +1 | −1 |
| Q3 2025 | 13 | -2 | 15.41M | $522.27M | — | −2 |
| Q2 2025 | 12 | -2 | 15.57M | $544.48M | — | −2 |
| Q1 2025 | 12 | 0 | 13.16M | $475.75M | — | — |
| Q4 2024 | 12 | 0 | 16.81M | $440.22M | +1 | −1 |
| Q3 2024 | 11 | +1 | 20.32M | $490.64M | +1 | — |
| Q2 2024 | 10 | — | 17.23M | $298.54M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 2.82M | +123.0% | $53.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 2.82M | +123.0% | $53.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 2.82M | +123.0% | $53.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 2.82M | +123.0% | $53.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 2.82M | +123.0% | $53.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Goldman Sachs Group ✦ | 2.32M | +1993.8% | $43.99M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Bamco Inc /Ny/ | 1.62M | -2.1% | $30.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 1.30M | +319.5% | $24.69M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 1.28M | -23.9% | $24.41M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 664.46K | -23.2% | $12.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 664.46K | -23.2% | $12.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 664.46K | -23.2% | $12.62M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | Jane Street Group, Llc | 476.54K | +77.9% | $9.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Jane Street Group, Llc | 476.54K | +77.9% | $9.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Jane Street Group, Llc | 476.54K | +77.9% | $9.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Schroder Investment Management Group | 393.17K | 0.0% | $7.24M | 0.0% | Held | 2 | SEC ↗ |
| 17 | Aberdeen Group plc | 311.29K | +30.9% | $5.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Citigroup Inc | 300.77K | +31263.4% | $5.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Citigroup Inc | 300.77K | +31263.4% | $5.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Ameriprise Financial Inc | 253.17K | +4.0% | $4.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Ameriprise Financial Inc | 253.17K | +4.0% | $4.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | BNP Paribas Asset Management… | 246.98K | +111.9% | $4.69M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Tidal Investments LLC | 154.00K | -16.2% | $2.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Marshall Wace ✦ | 147.22K | New | $2.80M | 0.0% | New | 1 | SEC ↗ |
| 25 | Marshall Wace ✦ | 147.22K | New | $2.80M | 0.0% | New | 1 | SEC ↗ |
| 26 | Marshall Wace ✦ | 147.22K | New | $2.80M | 0.0% | New | 1 | SEC ↗ |
| 27 | Marshall Wace ✦ | 147.22K | New | $2.80M | 0.0% | New | 1 | SEC ↗ |
| 28 | D. E. Shaw & Co. ✦ | 141.16K | +123.2% | $2.68M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 29 | State Street Global Advisors ✦ (passive) | 120.85K | +1.7% | $2.30M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 102.00K | -41.5% | $1.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 102.00K | -41.5% | $1.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 102.00K | -41.5% | $1.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Susquehanna International Group, Llp | 76.56K | +17.3% | $1.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Legal & General Group Plc | 71.46K | +2.1% | $1.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Legal & General Group Plc | 71.46K | +2.1% | $1.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | UBS Group AG | 69.45K | -86.2% | $1.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | UBS Group AG | 69.45K | -86.2% | $1.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | UBS Group AG | 69.45K | -86.2% | $1.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | UBS Group AG | 69.45K | -86.2% | $1.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 65.40K | -30.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 65.40K | -30.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 65.40K | -30.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 65.40K | -30.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 65.40K | -30.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 65.40K | -30.7% | $1.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 46 | Northern Trust Corp | 23.98K | -6.7% | $455,601 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Northern Trust Corp | 23.98K | -6.7% | $455,601 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Northern Trust Corp | 23.98K | -6.7% | $455,601 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Geode Capital Management ✦ (passive) | 23.88K | 0.0% | $453,701 | 0.0% | Held | 9 | SEC ↗ |
| 50 | Invesco Ltd. | 22.40K | -15.7% | $425,543 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Invesco Ltd. | 22.40K | -15.7% | $425,543 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Squarepoint Ops LLC | 15.32K | -21.3% | $291,004 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 6.92K | +2.0% | $127,342 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 6.92K | +2.0% | $127,342 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 55 | Group One Trading Llc | 5.09K | -34.0% | $96,729 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Mirae Asset Global Investments Co.… | 3.93K | -28.1% | $74,594 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Simplex Trading, Llc | 2.66K | +53.1% | $50,483 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Royal Bank Of Canada | 1.70K | -2.5% | $32,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Royal Bank Of Canada | 1.70K | -2.5% | $32,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | Us Bancorp \De\ | 960 | -6.2% | $18,240 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Us Bancorp \De\ | 960 | -6.2% | $18,240 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | Bnp Paribas Financial Markets | 768 | +2.0% | $14,592 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | UBS AM, a distinct business unit of… | 628 | 0.0% | $11,932 | 0.0% | Held | 3 | SEC ↗ |
| 64 | Barclays Plc | 292 | -91.7% | $5,548 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Northwestern Mutual Wealth… | 205 | +1.5% | $3,895 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Assetmark, Inc | 155 | -25.5% | $2,945 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Deutsche Bank Ag\ | 147 | 0.0% | $2,793 | 0.0% | Held | 3 | SEC ↗ |
| 68 | Osaic Holdings, Inc. | 140 | -36.4% | $2,660 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Osaic Holdings, Inc. | 140 | -36.4% | $2,660 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Wells Fargo & Company/Mn | 60 | -98.9% | $1,140 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Pnc Financial Services Group, Inc. | 26 | +18.2% | $494 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $2.80M | 0.0% |
| Marshall Wace | $2.80M | 0.0% |
| Marshall Wace | $2.80M | 0.0% |
| Marshall Wace | $2.80M | 0.0% |
Exited
| T. Rowe Price | $5.49M | was 0.0% |
| Td Asset Management Inc | $704,246 | was 0.0% |
| Point72 Asset Management | $660,607 | was 0.0% |
| Manufacturers Life Insurance… | $561,196 | was 0.0% |
| Envestnet Asset Management Inc | $466,131 | was 0.0% |
| Renaissance Technologies | $268,983 | was 0.0% |
| Bank Of Montreal /Can/ | $261,459 | was 0.0% |
| Mariner, LLC | $188,457 | was 0.0% |
| Daiwa Securities Group Inc. | $101,574 | was 0.0% |
| Fifth Third Bancorp | $18,885 | was 0.0% |
| Rhumbline Advisers | $94 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 97 holders, 28.24M shares, $515.77M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 19
Chen Yajing
Officer · 260 sh · $7,020
Aug 12
Lis William
Director · 8.51K sh · $212,650
Aug 11
Chen Yajing
Officer · 619 sh · $15,475
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jun 11
SC 13G — TCG Crossover GP II, LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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