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Onto Innovation

475 hedge funds and large institutions have $5.74B invested in Onto Innovation in 2025 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 182 increasing their positions, 164 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed

22% more call options, than puts

Call options by funds: $52.3M | Put options by funds: $42.9M

11% more repeat investments, than reductions

Existing positions increased: 182 | Existing positions reduced: 164

0.19% more ownership

Funds ownership: 95.28%95.48% (+0.19%)

9% less funds holding

Funds holding: 520475 (-45)

27% less capital invested

Capital invested by funds: $7.85B → $5.74B (-$2.11B)

33% less funds holding in top 10

Funds holding in top 10: 64 (-2)

37% less first-time investments, than exits

New positions opened: 71 | Existing positions closed: 112

Holders
475
Holders Change
-45
Holders Change %
-8.65%
% of All Funds
6.37%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
71
Increased
182
Reduced
164
Closed
112
Calls
$52.3M
Puts
$42.9M
Net Calls
+$9.45M
Net Calls Change
+$1.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Westfield Capital Management
51
Westfield Capital Management
Massachusetts
$24.7M -$12.9M -76,617 -27%
Man Group
52
Man Group
United Kingdom
$24.1M +$14.2M +84,458 +74%
PC
53
Port Capital
Illinois
$23.6M -$3.8M -22,545 -10%
GT
54
Glenmede Trust
Pennsylvania
$23.3M +$17.2M +102,140 +114%
ClearBridge Investments
55
ClearBridge Investments
New York
$22.6M -$3.13M -18,604 -9%
Ameriprise
56
Ameriprise
Minnesota
$21.4M -$1.2M -7,124 -4%
PAM
57
Panagora Asset Management
Massachusetts
$20.8M +$28.9M +171,780 New
TCM
58
TimesSquare Capital Management
New York
$20.7M +$2.77M +16,449 +11%
Janus Henderson Group
59
Janus Henderson Group
United Kingdom
$20.7M +$24.8M +147,071 +647%
UBS AM
60
UBS AM
Illinois
$19.8M +$2.22M +13,175 +9%
FWIA
61
Fort Washington Investment Advisors
Ohio
$19.7M +$3.74M +22,198 +16%
SFM
62
Systematic Financial Management
New Jersey
$19.1M -$342K -2,034 -1%
Swedbank
63
Swedbank
Sweden
$18.3M -$7.83M -46,500 -24%
Millennium Management
64
Millennium Management
New York
$18.1M -$540K -3,210 -2%
William Blair Investment Management
65
William Blair Investment Management
Illinois
$17.8M +$24.7M +146,441 New
Public Employees Retirement Association of Colorado
66
Public Employees Retirement Association of Colorado
Colorado
$17.3M +$2.49M +14,800 +12%
VHMC
67
Value Holdings Management Company
New York
$16.9M
RhumbLine Advisers
68
RhumbLine Advisers
Massachusetts
$16.7M -$106K -631 -0.5%
Jane Street
69
Jane Street
New York
$16.3M +$18.7M +111,314 +485%
RS
70
Robeco Schweiz
Switzerland
$16M -$5.21M -30,950 -19%
OAM
71
Oberweis Asset Management
Illinois
$15.7M -$10.1K -60 -0%
BNP Paribas Financial Markets
72
BNP Paribas Financial Markets
France
$15.5M +$9.15M +54,320 +74%
Deutsche Bank
73
Deutsche Bank
Germany
$15.1M +$4.37M +25,953 +26%
PCM
74
Palisade Capital Management
New Jersey
$14.9M -$164K -976 -0.8%
Victory Capital Management
75
Victory Capital Management
Texas
$14.7M +$2.6M +15,437 +15%

ONTO Hedge Fund Activity: Q1 2025 in Review

475 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Onto Innovation (ONTO) for Q1 2025, worth a combined $5.74B — down 27% from $7.85B a quarter earlier.

Sellers outnumbered buyers: 112 funds closed out of ONTO and 71 opened new positions — a net loss of 41 holders — while 164 trimmed existing stakes and 182 added.

The largest buyer was Situational Awareness, opening a new position worth an estimated $98.8M. The largest seller was Artisan Partners, exiting entirely with an estimated $253M sold.

  • 475 institutional investors held Onto Innovation (ONTO) as of Q1 2025, down from 520 in Q4 2024.
  • Funds reported $5.74B of Onto Innovation stock for Q1 2025, down 27% quarter-over-quarter.
  • 71 funds opened new Onto Innovation positions in Q1 2025 and 112 closed out, a net change of -41 holders.
  • The largest Onto Innovation buyer in Q1 2025 was Situational Awareness, an estimated $98.8M added.
  • The largest Onto Innovation seller in Q1 2025 was Artisan Partners, an estimated $253M sold.

Based on aggregated 13F filings for Q1 2025.