ZAI LAB LTD-ADR (ZLAB) Institutional Ownership Changes & 13F Activity
ZAI LAB LTD-ADR (ZLAB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Tcg Crossover Management, Llc, Woodline Partners Lp, Goldman Sachs Group Inc, Adar1 Capital Management, Llc, and Two Sigma Investments, Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Sell | -403,926 | -23.9% | 1,284,706 | $24.41M | Q2 2026 | Sep 02, 2026 |
| Nantahala Capital Management, Llc | Buy | +200,000 | — | 200,000 | $3.80M | Q2 2026 | Aug 19, 2026 |
| Seven Fleet Capital Management Lp | Buy | +58,158 | +74.7% | 136,016 | $2.92M | Q2 2026 | Aug 17, 2026 |
| Tcg Crossover Management, Llc | Buy | +6,137,627 | — | 6,137,627 | $116.61M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +2,207,293 | — | 2,207,293 | $41.94M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +2,204,893 | +1993.8% | 2,315,480 | $43.99M | Q2 2026 | Aug 14, 2026 |
| Adar1 Capital Management, Llc | Buy | +1,943,667 | +136.4% | 3,369,034 | $64.01M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +989,671 | +319.5% | 1,299,394 | $24.69M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +253,171 | — | 253,171 | $4.81M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +208,615 | +77.9% | 476,541 | $9.05M | Q2 2026 | Aug 14, 2026 |
| Hudson Bay Capital Management Lp | Buy | +185,000 | +616.7% | 215,000 | $4.08M | Q2 2026 | Aug 14, 2026 |
| Superstring Capital Management Lp | Sell | -120,005 | -43.5% | 155,813 | $2.96M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +77,915 | +123.2% | 141,158 | $2.68M | Q2 2026 | Aug 14, 2026 |
| Ra Capital Management, L.P. | Buy | +36,271 | +0.6% | 5,743,533 | $109.13M | Q2 2026 | Aug 14, 2026 |
| Bamco Inc | Sell | -34,624 | -2.1% | 1,623,694 | $30.85M | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -28,723 | -61.0% | 18,349 | $348.63K | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +22,397 | — | 22,397 | $425.54K | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +15,496 | — | 15,496 | $294.42K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +11,317 | +17.3% | 76,565 | $1.45M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Securities, Llc | Buy | +10,134 | — | 10,134 | $192.55K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Sell | -5,362 | -98.9% | 60 | $1.14K | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -4,147 | -21.3% | 15,316 | $291.00K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -3,239 | -91.7% | 292 | $5.55K | Q2 2026 | Aug 14, 2026 |
| Group One Trading Llc | Sell | -2,627 | -34.0% | 5,091 | $96.73K | Q2 2026 | Aug 14, 2026 |
| Legal & General Group Plc | Buy | +1,447 | +2.1% | 71,461 | $1.36M | Q2 2026 | Aug 14, 2026 |
| Federation Des Caisses Desjardins Du Quebec | Buy | +300 | — | 300 | $5.70K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Sell | -80 | -36.4% | 140 | $2.66K | Q2 2026 | Aug 14, 2026 |
| Ameritas Advisory Services, Llc | Buy | +76 | — | 76 | $1.44K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Sell | -44 | -2.5% | 1,697 | $32.00K | Q2 2026 | Aug 14, 2026 |
| Larson Financial Group Llc | Sell | -40 | -90.9% | 4 | $76.00 | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about ZLAB activity
Which institutional owners are buying ZLAB?
Institutional owners buying ZLAB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ZLAB activity?
"Buy" means an investor increased their reported position in ZLAB compared to the prior reporting period. This reflects growing exposure to ZAI LAB LTD-ADR (ZLAB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ZLAB increasing?
Institutional interest in ZLAB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related ZLAB Institutional Insights
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