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ONT

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.

New
Increased
Maintained
Reduced
Closed

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%)

Holders
187
Holders Change
+25
Holders Change %
+15.43%
% of All Funds
2.45%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
43
Increased
62
Reduced
59
Closed
17
Calls
$16.2M
Puts
$3.04M
Net Calls
+$13.1M
Net Calls Change
+$3.86M

Top Buyers

Rank Fund Capital Flow
1
Goldman Sachs
Goldman Sachs
New York
+$12.3M
2
Jane Street
Jane Street
New York
+$9.27M
3
BlackRock
BlackRock
New York
+$8.3M
4
Morgan Stanley
Morgan Stanley
New York
+$6.53M
5
Tudor Investment Corp
Tudor Investment Corp
Connecticut
+$3.79M

Top Sellers

Rank Fund Capital Flow
1
William Blair Investment Management
William Blair Investment Management
Illinois
-$26.3M
2
BAMCO Inc
BAMCO Inc
New York
-$15.8M
3
Millennium Management
Millennium Management
New York
-$14.4M
4
UBS AM
UBS AM
Illinois
-$12.5M
5
AllianceBernstein
AllianceBernstein
Tennessee
-$7.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
William Blair & Company
26
William Blair & Company
Illinois
$9.03M -$553K -21,155 -6%
UBS Group
27
UBS Group
Switzerland
$8.61M -$5.1M -195,003 -38%
SAM
28
Silvercrest Asset Management
New York
$8.09M -$219K -8,373 -3%
PCM
29
Peregrine Capital Management
Minnesota
$7.8M +$1.06M +40,393 +17%
Marshall Wace
30
Marshall Wace
United Kingdom
$7.63M -$2.77M -105,955 -28%
ACH
31
ArrowMark Colorado Holdings
Colorado
$7.62M +$20.5K +786 +0.3%
Charles Schwab
32
Charles Schwab
California
$7.5M +$180K +6,879 +3%
Fisher Asset Management
33
Fisher Asset Management
Washington
$7.08M +$1.03M +39,331 +18%
Millennium Management
34
Millennium Management
New York
$6.7M -$14.4M -549,884 -69%
Citadel Advisors
35
Citadel Advisors
Florida
$6.48M +$1.46M +55,790 +31%
TI
36
Trexquant Investment
Connecticut
$5.7M +$1.45M +55,595 +37%
Russell Investments Group
37
Russell Investments Group
United Kingdom
$5.1M -$407K -15,566 -8%
AG
38
Algert Global
California
$4.92M +$3.65M +139,528 +352%
GACM
39
Global Alpha Capital Management
Quebec, Canada
$4.81M +$321K +12,300 +8%
AQR Capital Management
40
AQR Capital Management
Connecticut
$4.69M +$1.83M +70,155 +70%
AT
41
Avalon Trust
New Mexico
$4.56M +$43.4K +1,660 +1%
Invesco
42
Invesco
Georgia
$3.99M -$182K -6,953 -5%
Tudor Investment Corp
43
Tudor Investment Corp
Connecticut
$3.98M +$3.79M +144,897 New
CSS
44
Cubist Systematic Strategies
Connecticut
$3.68M +$793K +30,345 +29%
Rockefeller Capital Management
45
Rockefeller Capital Management
New York
$3.64M +$133K +5,083 +4%
EIM
46
Essex Investment Management
Massachusetts
$3.07M +$92.5K +3,540 +3%
Bank of New York Mellon
47
Bank of New York Mellon
New York
$2.82M +$67.7K +2,592 +3%
PAM
48
Panagora Asset Management
Massachusetts
$2.81M +$2.68M +102,495 New
LCG
49
Lisanti Capital Growth
New York
$2.8M +$2.67M +102,082 New
Squarepoint
50
Squarepoint
New York
$2.78M +$1.84M +70,536 +229%
1
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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.