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ONT

Onterris Inc
ONT

162 hedge funds and large institutions have $748M invested in Onterris Inc in 2025 Q2 according to their latest regulatory filings, with 29 funds opening new positions, 68 increasing their positions, 50 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

108% more call options, than puts

Call options by funds: $17.9M | Put options by funds: $8.58M

52% more capital invested

Capital invested by funds: $490M → $748M (+$257M)

36% more repeat investments, than reductions

Existing positions increased: 68 | Existing positions reduced: 50

0.63% less ownership

Funds ownership: 99.18% → 98.55% (-0.63%)

6% less first-time investments, than exits

New positions opened: 29 | Existing positions closed: 31

2% less funds holding

Funds holding: 165 → 162 (-3)

Holders
162
Holders Change
-3
Holders Change %
-1.82%
% of All Funds
2.13%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
29
Increased
68
Reduced
50
Closed
31
Calls
$17.9M
Puts
$8.58M
Net Calls
+$9.28M
Net Calls Change
+$8.13M

Top Buyers

Rank Fund Capital Flow
1
AllianceBernstein
AllianceBernstein
Tennessee
+$22.3M
2
William Blair Investment Management
William Blair Investment Management
Illinois
+$7.43M
3
Marshall Wace
Marshall Wace
United Kingdom
+$4.88M
4
N
Nuveen
North Carolina
+$3.92M
5
SIMG
Stephens Investment Management Group
Texas
+$3.63M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$12.7M
2
GIP
Granite Investment Partners
California
-$12.3M
3
Bank of America
Bank of America
North Carolina
-$12.3M
4
UBS AM
UBS AM
Illinois
-$11.1M
5
Northern Trust
Northern Trust
Illinois
-$4.58M
Name Holding Trade Value Shares
Change 		Change in
Stake
SAM
26
Silvercrest Asset Management
New York
$6.64M +$1.48M +82,498 +37%
Fidelity Investments
27
Fidelity Investments
Massachusetts
$6.55M +$2.64M +147,286 +97%
Goldman Sachs
28
Goldman Sachs
New York
$6.29M -$708K -39,475 -12%
ACH
29
ArrowMark Colorado Holdings
Colorado
$6.06M -$815K -45,456 -14%
Wellington Management Group
30
Wellington Management Group
Massachusetts
$5.94M +$1.11M +61,675 +29%
Charles Schwab
31
Charles Schwab
California
$5.83M +$128K +7,149 +3%
PCM
32
Peregrine Capital Management
Minnesota
$5.33M +$73K +4,072 +2%
Morgan Stanley
33
Morgan Stanley
New York
$5.13M -$1.09M -60,650 -21%
Fisher Asset Management
34
Fisher Asset Management
Washington
$4.78M -$571K -31,860 -13%
Russell Investments Group
35
Russell Investments Group
United Kingdom
$4.4M +$640K +35,696 +22%
Citadel Advisors
36
Citadel Advisors
Florida
$3.94M +$1.38M +77,098 +75%
AT
37
Avalon Trust
New Mexico
$3.6M -$545K -30,395 -16%
GACM
38
Global Alpha Capital Management
Quebec, Canada
$3.57M +$923K +51,476 +46%
Invesco
39
Invesco
Georgia
$3.33M +$316K +17,601 +13%
TI
40
Trexquant Investment
Connecticut
$3.32M -$351K -19,551 -11%
Rockefeller Capital Management
41
Rockefeller Capital Management
New York
$2.79M +$101K +5,625 +5%
Royal Bank of Canada
42
Royal Bank of Canada
Ontario, Canada
$2.6M +$2.09M +116,408 +4,802%
EIM
43
Essex Investment Management
Massachusetts
$2.37M -$13.9K -775 -0.7%
CSS
44
Cubist Systematic Strategies
Connecticut
$2.27M -$4.29M -239,461 -70%
Citigroup
45
Citigroup
New York
$2.21M +$1.36M +75,939 +305%
AQR Capital Management
46
AQR Capital Management
Connecticut
$2.2M +$1.8M +100,567 New
Bank of New York Mellon
47
Bank of New York Mellon
New York
$2.19M -$1.26M -70,463 -41%
Balyasny Asset Management
48
Balyasny Asset Management
Illinois
$2.14M -$1.15M -64,084 -40%
CCA
49
Conestoga Capital Advisors
Pennsylvania
$1.93M +$320K +17,850 +25%
GIP
50
Granite Investment Partners
California
$1.81M -$12.3M -688,312 -89%
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ONT Hedge Fund Activity: Q2 2025 in Review

162 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Onterris Inc (ONT) for Q2 2025, worth a combined $748M — up 52% from $490M a quarter earlier.

Sellers outnumbered buyers: 31 funds closed out of ONT and 29 opened new positions — a net loss of 2 holders — while 50 trimmed existing stakes and 68 added.

The largest buyer was AllianceBernstein, adding an estimated $22.3M. The largest seller was Millennium Management, cutting an estimated $12.7M.

  • 162 institutional investors held Onterris Inc (ONT) as of Q2 2025, down from 165 in Q1 2025.
  • Funds reported $748M of Onterris Inc stock for Q2 2025, up 52% quarter-over-quarter.
  • 29 funds opened new Onterris Inc positions in Q2 2025 and 31 closed out, a net change of -2 holders.
  • The largest Onterris Inc buyer in Q2 2025 was AllianceBernstein, an estimated $22.3M added.
  • The largest Onterris Inc seller in Q2 2025 was Millennium Management, an estimated $12.7M sold.

Based on aggregated 13F filings for Q2 2025.