William Blair Investment Management’s Onto Innovation ONTO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $111M | Buy |
1,098,860
+952,419
| +650% | +$96.1M | 0.29% | 91 |
|
|
2025
Q1 | $17.8M | Buy |
+146,441
| New | +$17.8M | 0.05% | 304 |
|
|
2024
Q3 | – | Sell |
-91,513
| Closed | -$20.1M | – | 438 |
|
|
2024
Q2 | $20.1M | Sell |
91,513
-227,268
| -71% | -$49.9M | 0.05% | 304 |
|
|
2024
Q1 | $57.7M | Sell |
318,781
-28,065
| -8% | -$5.08M | 0.15% | 141 |
|
|
2023
Q4 | $53M | Sell |
346,846
-7,707
| -2% | -$1.18M | 0.15% | 136 |
|
|
2023
Q3 | $45.2M | Buy |
354,553
+55,969
| +19% | +$7.14M | 0.15% | 139 |
|
|
2023
Q2 | $34.8M | Buy |
+298,584
| New | +$34.8M | 0.11% | 198 |
|