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ONT

Onterris Inc

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: 165162 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$62.8M +$1.36M +75,854 +3%
BAMCO Inc
2
BAMCO Inc
New York
$60.5M +$1.23M +68,713 +3%
William Blair Investment Management
3
William Blair Investment Management
Illinois
$50.7M +$7.43M +414,272 +22%
Macquarie Group
4
Macquarie Group
Australia
$43M +$893K +49,838 +3%
Vanguard Group
5
Vanguard Group
Pennsylvania
$41.1M +$1.71M +95,650 +5%
UBS AM
6
UBS AM
Illinois
$38.5M -$11.1M -620,401 -26%
AllianceBernstein
7
AllianceBernstein
Tennessee
$28.1M +$22.3M +1,246,199 +3,408%
FAM
8
Fred Alger Management
New York
$25.2M +$2.87M +160,262 +16%
Bank of America
9
Bank of America
North Carolina
$24.6M -$12.3M -684,311 -38%
RA
10
Royce & Associates
New York
$22.6M +$3.25M +181,500 +21%
Legal & General Group
11
Legal & General Group
United Kingdom
$19.8M +$1.85M +103,460 +13%
Janus Henderson Group
12
Janus Henderson Group
United Kingdom
$17.8M +$2.39M +133,061 +20%
Truist Financial
13
Truist Financial
North Carolina
$17.7M -$169K -9,422 -1%
Millennium Management
14
Millennium Management
New York
$17.4M -$12.7M -710,794 -47%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$16.7M +$490K +27,316 +4%
State Street
16
State Street
Massachusetts
$15.7M +$334K +18,656 +3%
N
17
Nuveen
North Carolina
$15.4M +$3.92M +218,753 +45%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$15M -$560K -31,220 -4%
SIMG
19
Stephens Investment Management Group
Texas
$14.4M +$3.63M +202,541 +45%
SCA
20
Summit Creek Advisors
Minnesota
$13.7M +$754K +42,046 +7%
UBS Group
21
UBS Group
Switzerland
$11.1M -$147K -8,225 -2%
DekaBank Deutsche Girozentrale
22
DekaBank Deutsche Girozentrale
Germany
$10.9M +$626K +34,897 +7%
Marshall Wace
23
Marshall Wace
United Kingdom
$8.4M +$4.88M +272,444 +245%
William Blair & Company
24
William Blair & Company
Illinois
$7.66M +$285K +15,910 +5%
Northern Trust
25
Northern Trust
Illinois
$7.58M -$4.58M -255,434 -42%

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.