Zhengye Biotechnology Holding Limited (ZYBT) Ownership
ZYBT ownership summary
as of October 18, 2026- Institutions
- 0.9% of shares outstanding
- Insiders
- 16.16% of shares outstanding
- Shares outstanding
- 47.4M
- Float
- 6.3M shares available to trade
- Short interest
- 0.25% 115K shares short
- Days to cover
- 3.99 short interest down 16.1% vs prior month
- Institutions 0.91%
- Insiders 16.16%
- Other investors 82.92%
ZYBT top institutional holders
11 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | XTX Topco Ltd | 0.10% | 49K | $68,411 | +4,719 (+10.7%) | June 30, 2026 |
| 2 | Geode Capital Management, LLC | 0.06% | 29K | $40,695 | — | June 30, 2026 |
| 3 | Winton Capital Group Ltd | 0.03% | 13K | $17,822 | −20,659 (−61.9%) | June 30, 2026 |
| 4 | UBS Group AG | 0.02% | 7,992 | $11,189 | −44 (−0.5%) | June 30, 2026 |
| 5 | Royal Bank of Canada | <0.01% | 1,230 | $1,722 | — | June 30, 2026 |
| 6 | Morgan Stanley - Brokerage Accounts | <0.01% | 248 | $347 | −13 (−5.0%) | June 30, 2026 |
| 7 | JPMorgan Chase & Co | <0.01% | 134 | $188 | +134 (0.0%) | June 30, 2026 |
| 8 | Caitong International Asset Management Co., Limited. | 0.00% | 1 | $1 | — | June 30, 2026 |
| 9 | Amvescap Plc. | 0.00% | — | — | −34,688 (−100.0%) | March 31, 2026 |
| 10 | Tower Research Capital LLC | 0.00% | — | — | −4,912 (−100.0%) | June 30, 2026 |
| 11 | Citadel Advisors Llc | 0.00% | — | — | −30,576 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 11, 2 holders added 4,853 shares and 6 cut 91K.
ZYBT top mutual fund and ETF holders
1 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Nasdaq Composite Index | 0.06% | 29K | $40,695 | — | July 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ZYBT shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ZYBT
Institutional investors own 0.9% of Zhengye Biotechnology's shares and insiders 16.16%. The largest holder is XTX Topco Ltd with 0.10% of the shares (49K), as of June 30, 2026. Among the top 11 institutions, 2 added shares and 6 reduced their stake in the latest filings. Short interest is 0.25% of the float, or 3.99 days of average trading volume.
Related: ZYBT key metrics. See the ZYBT stock overview for the latest quote and news.
ZYBT ownership FAQ
Who owns the most Zhengye Biotechnology stock?
The largest shareholders of Zhengye Biotechnology are XTX Topco Ltd (0.10%), Geode Capital Management, LLC (0.06%), Winton Capital Group Ltd (0.03%), UBS Group AG (0.02%), Royal Bank of Canada (<0.01%).
What percentage of Zhengye Biotechnology is owned by institutions?
Institutions hold 0.9% of Zhengye Biotechnology's shares outstanding; insiders hold 16.16%.
Which funds own Zhengye Biotechnology?
The largest fund holders of Zhengye Biotechnology are Fidelity Nasdaq Composite Index (0.06%).
What is Zhengye Biotechnology's short interest?
115K shares of Zhengye Biotechnology were sold short, 0.25% of the float; at the average daily volume it would take 3.99 days to cover.
How many shares of Zhengye Biotechnology are outstanding?
Zhengye Biotechnology has 47.4M shares outstanding, of which 6.3M are in the public float.