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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
BlackRock
1
BlackRock
New York
$69M -$2.15M -89,618 -3%
BAMCO Inc
2
BAMCO Inc
New York
$47.5M +$182K +7,584 +0.4%
Goldman Sachs
3
Goldman Sachs
New York
$42.9M +$5.46M +227,607 +13%
NAMI
4
Nomura Asset Management International
Pennsylvania
$33.5M -$2.92M -121,738 -7%
UBS AM
5
UBS AM
Illinois
$33.2M +$1.39M +58,097 +4%
VCM
6
Vanguard Capital Management
Pennsylvania
$31.4M +$34.5M +1,436,165 New
Principal Financial Group
7
Principal Financial Group
Iowa
$29.5M +$1.6M +66,543 +5%
AllianceBernstein
8
AllianceBernstein
Tennessee
$28.1M +$5.7M +237,485 +27%
RA
9
Royce & Associates
New York
$20.9M +$4.02M +167,241 +21%
Amundi
10
Amundi
France
$19.2M +$21.1M +880,032 New
Janus Henderson Group
11
Janus Henderson Group
United Kingdom
$19M +$2.48M +103,150 +14%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$18.8M +$3.86M +160,767 +23%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$17.6M +$693K +28,855 +4%
Truist Financial
14
Truist Financial
North Carolina
$17.4M -$207K -8,613 -1%
Legal & General Group
15
Legal & General Group
United Kingdom
$16.5M +$2.76M +115,054 +18%
State Street
16
State Street
Massachusetts
$15.9M +$65K +2,708 +0.4%
SIMG
17
Stephens Investment Management Group
Texas
$15.2M -$233K -9,722 -1%
AG
18
Algert Global
California
$13.1M +$772K +32,170 +6%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$12.4M +$2.77M +115,517 +26%
SCA
20
Summit Creek Advisors
Minnesota
$11.2M -$2.82M -117,626 -19%
Morgan Stanley
21
Morgan Stanley
New York
$11.1M -$1.23M -51,109 -9%
DekaBank Deutsche Girozentrale
22
DekaBank Deutsche Girozentrale
Germany
$11M
AT
23
Avalon Trust
New Mexico
$9.55M +$215K +8,945 +2%
Allspring Global Investments
24
Allspring Global Investments
North Carolina
$8.62M -$347K -14,456 -4%
FAM
25
Fred Alger Management
New York
$8.49M -$16.3M -680,561 -64%

ONT Hedge Fund Activity: Q1 2026 in Review

171 of the 8,137 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.