Onto Innovation
ONTO
477 hedge funds and large institutions have $6.13B invested in Onto Innovation in 2025 Q3 according to their latest regulatory filings, with 108 funds opening new positions, 161 increasing their positions, 142 reducing their positions, and 73 closing their positions.
800% more funds holding in top 10
Funds holding in top 10: 1 → 9 (+8)
123% more call options, than puts
Call options by funds: $87.8M | Put options by funds: $39.5M
48% more first-time investments, than exits
New positions opened: 108 | Existing positions closed: 73
24% more capital invested
Capital invested by funds: $4.96B → $6.13B (+$1.17B)
13% more repeat investments, than reductions
Existing positions increased: 161 | Existing positions reduced: 142
7% more funds holding
Funds holding: 447 → 477 (+30)
3.77% less ownership
Funds ownership: 100.54% → 96.77% (-3.8%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$138M |
| 2 |
William Blair Investment Management
Chicago,
Illinois
|
+$94.5M |
| 3 |
VOYA Investment Management
Atlanta,
Georgia
|
+$90.9M |
| 4 |
Franklin Resources
San Mateo,
California
|
+$47.1M |
| 5 |
Morgan Stanley
New York
|
+$36.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$136M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$99.4M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$83M |
| 4 |
Barclays
London,
United Kingdom
|
-$65.2M |
| 5 |
Rafferty Asset Management
New York
|
-$64.6M |
ONTO Hedge Fund Activity: Q3 2025 in Review
477 of the 7,639 institutional investors tracked by Wall St. Rank reported a position in Onto Innovation (ONTO) for Q3 2025, worth a combined $6.13B — up 24% from $4.96B a quarter earlier.
Buyers outnumbered sellers: 108 funds opened new ONTO positions and 73 closed out — a net gain of 35 holders — while 161 added to existing stakes and 142 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $138M. The largest seller was BlackRock, cutting an estimated $136M.
- 477 institutional investors held Onto Innovation (ONTO) as of Q3 2025, up from 447 in Q2 2025.
- Funds reported $6.13B of Onto Innovation stock for Q3 2025, up 24% quarter-over-quarter.
- 108 funds opened new Onto Innovation positions in Q3 2025 and 73 closed out, a net change of +35 holders.
- The largest Onto Innovation buyer in Q3 2025 was Wellington Management Group, an estimated $138M added.
- The largest Onto Innovation seller in Q3 2025 was BlackRock, an estimated $136M sold.
Based on aggregated 13F filings for Q3 2025.