Zhengye Biotechnology Holding
ZYBT
10 hedge funds and large institutions have $416K invested in Zhengye Biotechnology Holding in 2025 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 4 closing their positions.
25% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 4
11% more funds holding
Funds holding: 9 → 10 (+1)
0.56% less ownership
Funds ownership: 0.89% → 0.34% (-0.56%)
67% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 3
83% less capital invested
Capital invested by funds: $2.51M → $416K (-$2.09M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$240K |
| 2 |
WG
Winton Group
London,
United Kingdom
|
+$149K |
| 3 |
Millennium Management
New York
|
+$101K |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$81K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
+$7.8K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$1.16M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$1.04M |
| 3 |
Morgan Stanley
New York
|
-$2.96K |
| 4 |
Invesco
Atlanta,
Georgia
|
-$2.69K |
| 5 |
BNP Paribas Financial Markets
Paris,
France
|
-$1.56K |
ZYBT Hedge Fund Activity: Q3 2025 in Review
10 of the 7,645 institutional investors tracked by Wall St. Rank reported a position in Zhengye Biotechnology Holding (ZYBT) for Q3 2025, worth a combined $416K — down 83% from $2.51M a quarter earlier.
Buyers outnumbered sellers: 5 funds opened new ZYBT positions and 4 closed out — a net gain of 1 holder — while 1 added to existing stakes and 3 trimmed.
The largest buyer was XTX Topco, opening a new position worth an estimated $240K. The largest seller was Jane Street, exiting entirely with an estimated $1.16M sold.
- 10 institutional investors held Zhengye Biotechnology Holding (ZYBT) as of Q3 2025, up from 9 in Q2 2025.
- Funds reported $416K of Zhengye Biotechnology Holding stock for Q3 2025, down 83% quarter-over-quarter.
- 5 funds opened new Zhengye Biotechnology Holding positions in Q3 2025 and 4 closed out, a net change of +1 holder.
- The largest Zhengye Biotechnology Holding buyer in Q3 2025 was XTX Topco, an estimated $240K added.
- The largest Zhengye Biotechnology Holding seller in Q3 2025 was Jane Street, an estimated $1.16M sold.
Based on aggregated 13F filings for Q3 2025.