Onterris Inc
ONT
187 hedge funds and large institutions have $894M invested in Onterris Inc in 2025 Q3 according to their latest regulatory filings, with 43 funds opening new positions, 62 increasing their positions, 59 reducing their positions, and 17 closing their positions.
433% more call options, than puts
Call options by funds: $16.2M | Put options by funds: $3.04M
153% more first-time investments, than exits
New positions opened: 43 | Existing positions closed: 17
20% more capital invested
Capital invested by funds: $748M → $894M (+$147M)
15% more funds holding
Funds holding: 162 → 187 (+25)
5% more repeat investments, than reductions
Existing positions increased: 62 | Existing positions reduced: 59
6.23% less ownership
Funds ownership: 98.55% → 92.32% (-6.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$12.3M |
| 2 |
Jane Street
New York
|
+$9.27M |
| 3 |
BlackRock
New York
|
+$8.3M |
| 4 |
Morgan Stanley
New York
|
+$6.53M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$3.79M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
-$26.3M |
| 2 |
BAMCO Inc
New York
|
-$15.8M |
| 3 |
Millennium Management
New York
|
-$14.4M |
| 4 |
UBS AM
Chicago,
Illinois
|
-$12.5M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$7.7M |
ONT Hedge Fund Activity: Q3 2025 in Review
187 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Onterris Inc (ONT) for Q3 2025, worth a combined $894M — up 20% from $748M a quarter earlier.
Buyers outnumbered sellers: 43 funds opened new ONT positions and 17 closed out — a net gain of 26 holders — while 62 added to existing stakes and 59 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $12.3M. The largest seller was William Blair Investment Management, cutting an estimated $26.3M.
- 187 institutional investors held Onterris Inc (ONT) as of Q3 2025, up from 162 in Q2 2025.
- Funds reported $894M of Onterris Inc stock for Q3 2025, up 20% quarter-over-quarter.
- 43 funds opened new Onterris Inc positions in Q3 2025 and 17 closed out, a net change of +26 holders.
- The largest Onterris Inc buyer in Q3 2025 was Goldman Sachs, an estimated $12.3M added.
- The largest Onterris Inc seller in Q3 2025 was William Blair Investment Management, an estimated $26.3M sold.
Based on aggregated 13F filings for Q3 2025.