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ONT

Onterris Inc

171 hedge funds and large institutions have $744M invested in Onterris Inc in 2026 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 61 increasing their positions, 58 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

81% more call options, than puts

Call options by funds: $3.97M | Put options by funds: $2.19M

5% more repeat investments, than reductions

Existing positions increased: 61 | Existing positions reduced: 58

0.47% more ownership

Funds ownership: 93.13%93.6% (+0.47%)

8% less funds holding

Funds holding: 185171 (-14)

10% less capital invested

Capital invested by funds: $829M → $744M (-$84.5M)

30% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 37

Holders
171
Holders Change
-14
Holders Change %
-7.57%
% of All Funds
2.1%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
26
Increased
61
Reduced
58
Closed
37
Calls
$3.97M
Puts
$2.19M
Net Calls
+$1.78M
Net Calls Change
-$8.77M
Name Holding Trade Value Shares
Change
Change in
Stake
Bank of America
26
Bank of America
North Carolina
$8.16M -$719K -29,959 -7%
Fisher Asset Management
27
Fisher Asset Management
Washington
$7.72M
Northern Trust
28
Northern Trust
Illinois
$7.47M +$364K +15,169 +5%
Millennium Management
29
Millennium Management
New York
$6.81M +$5.75M +239,580 +335%
VPM
30
Vanguard Portfolio Management
Pennsylvania
$6.21M +$6.81M +283,521 New
Charles Schwab
31
Charles Schwab
California
$5.98M -$34.4K -1,434 -0.5%
N
32
Nuveen
North Carolina
$5.96M -$5.87M -244,588 -47%
PCM
33
Peregrine Capital Management
Minnesota
$5.88M -$273K -11,390 -4%
William Blair & Company
34
William Blair & Company
Illinois
$5.84M -$1.77M -73,889 -22%
GIM
35
Granahan Investment Management
Massachusetts
$5.29M +$1.02M +42,470 +21%
Citadel Advisors
36
Citadel Advisors
Florida
$4.87M +$1.2M +49,833 +29%
UBS Group
37
UBS Group
Switzerland
$4.85M +$3.81M +158,534 +251%
VFT
38
Vanguard Fiduciary Trust
Pennsylvania
$4.64M +$5.09M +212,109 New
Russell Investments Group
39
Russell Investments Group
United Kingdom
$4.41M +$82.8K +3,447 +2%
Invesco
40
Invesco
Georgia
$3.97M +$261K +10,850 +6%
Tudor Investment Corp
41
Tudor Investment Corp
Connecticut
$3.69M -$672 -28 -0%
Citigroup
42
Citigroup
New York
$3.42M +$3.72M +154,733 +9,007%
OAM
43
OP Asset Management
$3.42M +$2M +83,441 +115%
SEI Investments
44
SEI Investments
Pennsylvania
$3.38M +$1.4M +58,387 +61%
BNP Paribas Financial Markets
45
BNP Paribas Financial Markets
France
$3.29M +$782K +32,581 +28%
Jane Street
46
Jane Street
New York
$3.18M +$1.75M +73,038 +101%
GACM
47
Global Alpha Capital Management
Quebec, Canada
$3.13M -$9.27K -386 -0.3%
CP
48
CenterBook Partners
Connecticut
$3.08M +$713K +29,688 +27%
ACH
49
ArrowMark Colorado Holdings
Colorado
$3.06M -$3.11M -129,485 -48%
Mackenzie Financial
50
Mackenzie Financial
Ontario, Canada
$2.94M +$3.23M +134,451 New

ONT Hedge Fund Activity: Q1 2026 in Review

171 of the 8,138 institutional investors tracked by Wall St. Rank reported a position in Onterris Inc (ONT) for Q1 2026, worth a combined $744M — down 10% from $829M a quarter earlier.

Sellers outnumbered buyers: 37 funds closed out of ONT and 26 opened new positions — a net loss of 11 holders — while 58 trimmed existing stakes and 61 added.

The largest buyer was Amundi, opening a new position worth an estimated $21.1M. The largest seller was Fred Alger Management, cutting an estimated $16.3M.

  • 171 institutional investors held Onterris Inc (ONT) as of Q1 2026, down from 185 in Q4 2025.
  • Funds reported $744M of Onterris Inc stock for Q1 2026, down 10% quarter-over-quarter.
  • 26 funds opened new Onterris Inc positions in Q1 2026 and 37 closed out, a net change of -11 holders.
  • The largest Onterris Inc buyer in Q1 2026 was Amundi, an estimated $21.1M added.
  • The largest Onterris Inc seller in Q1 2026 was Fred Alger Management, an estimated $16.3M sold.

Based on aggregated 13F filings for Q1 2026.