South Street Advisors’s Onto Innovation ONTO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$33.7M Sell
88,920
-2,419
-3% -$685K 4.38% 6
2026
Q1
$18.7M Buy
91,339
+5,974
+7% +$1.22M 2.71% 15
2025
Q4
$13.5M Sell
85,365
-5,700
-6% -$810K 1.89% 24
2025
Q3
$11.8M Buy
91,065
+4,584
+5% +$491K 1.54% 27
2025
Q2
$8.73M Sell
86,481
-3,217
-4% -$344K 1.29% 29
2025
Q1
$10.9M Buy
89,698
+406
+0.5% +$68.4K 1.78% 27
2024
Q4
$14.9M Buy
89,292
+742
+0.8% +$136K 2.28% 19
2024
Q3
$18.4M Sell
88,550
-2,215
-2% -$447K 2.79% 15
2024
Q2
$19.9M Sell
90,765
-1,702
-2% -$352K 3.02% 10
2024
Q1
$16.7M Buy
92,467
+3,748
+4% +$633K 2.67% 15
2023
Q4
$13.6M Buy
88,719
+420
+0.5% +$56.5K 2.53% 15
2023
Q3
$11.3M Buy
88,299
+365
+0.4% +$43.4K 2.26% 19
2023
Q2
$10.2M Sell
87,934
-29,299
-25% -$2.8M 2.03% 25
2023
Q1
$10.3M Buy
117,233
+919
+0.8% +$74.5K 2.11% 25
2022
Q4
$7.92M Buy
116,314
+5,676
+5% +$408K 1.75% 27
2022
Q3
$7.09M Sell
110,638
-1,023
-0.9% -$75.2K 1.75% 25
2022
Q2
$7.79M Sell
111,661
-1,425
-1% -$105K 1.77% 28
2022
Q1
$9.83M Buy
113,086
+525
+0.5% +$46.7K 1.86% 27
2021
Q4
$11.4M Buy
112,561
+35,381
+46% +$3.05M 2% 26
2021
Q3
$5.58M Buy
+77,180
New +$5.57M 1.06% 33

Other funds holding ONTO

South Street Advisors's ONTO Position: Q2 2026 in Review

South Street Advisors reduced its Onto Innovation (ONTO) stake by 2.6% in Q2 2026, selling an estimated $685K and leaving 88,920 shares worth $33.7M. The position accounts for 4.38% of the portfolio, ranked #6.

South Street Advisors first reported a position in ONTO in Q3 2021 and has held it in 20 quarters since. 690 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

  • South Street Advisors held 88,920 shares of Onto Innovation worth $33.7M as of Q2 2026.
  • South Street Advisors sold 2,419 Onto Innovation shares in Q2 2026, an estimated $685K.
  • Onto Innovation made up 4.38% of South Street Advisors's portfolio in Q2 2026, its #6 holding.
  • South Street Advisors first reported a position in Onto Innovation in Q3 2021 and has held it in 20 quarters since.
  • 690 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on South Street Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.