Congress Asset Management
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Congress Asset Management’s Onto Innovation ONTO Stock Holding History

Congress Asset Management’s Portfolio ONTO Stock Details ONTO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$356K Buy
1,156
+5
+0.4% +$1.43K ﹤0.01% 365
2026
Q2 		$436K Sell
1,151
-4
-0.3% -$1.13K ﹤0.01% 339
2026
Q1 		$237K Sell
1,155
-205
-15% -$42K ﹤0.01% 412
2025
Q4 		$215K Sell
1,360
-3,503
-72% -$498K ﹤0.01% 376
2025
Q3 		$628K Buy
4,863
+630
+15% +$67.4K ﹤0.01% 342
2025
Q2 		$427K Sell
4,233
-448,660
-99% -$47.9M ﹤0.01% 350
2025
Q1 		$55M Sell
452,893
-35,287
-7% -$5.94M 0.41% 97
2024
Q4 		$81.4M Sell
488,180
-584,616
-54% -$107M 0.55% 74
2024
Q3 		$223M Buy
1,072,796
+295,869
+38% +$59.7M 1.52% 5
2024
Q2 		$171M Buy
776,927
+351,609
+83% +$72.7M 1.22% 9
2024
Q1 		$77M Sell
425,318
-9,353
-2% -$1.58M 0.55% 81
2023
Q4 		$66.5M Sell
434,671
-15,274
-3% -$2.05M 0.52% 79
2023
Q3 		$57.4M Buy
449,945
+16,948
+4% +$2.01M 0.51% 81
2023
Q2 		$50.4M Buy
432,997
+29,439
+7% +$2.81M 0.44% 83
2023
Q1 		$35.5M Buy
403,558
+7,976
+2% +$647K 0.33% 79
2022
Q4 		$26.9M Buy
395,582
+31,268
+9% +$2.25M 0.27% 85
2022
Q3 		$23.3M Buy
364,314
+18,318
+5% +$1.35M 0.25% 84
2022
Q2 		$24.1M Buy
345,996
+24,351
+8% +$1.8M 0.23% 89
2022
Q1 		$27.9M Buy
321,645
+1,386
+0.4% +$123K 0.24% 82
2021
Q4 		$32.4M Sell
320,259
-29,960
-9% -$2.59M 0.25% 81
2021
Q3 		$25.3M Buy
350,219
+55,325
+19% +$3.99M 0.2% 86
2021
Q2 		$21.5M Buy
294,894
+161,427
+121% +$11.1M 0.18% 89
2021
Q1 		$8.77M Buy
+133,467
New +$7.95M 0.08% 144

Other funds holding ONTO

Artemis Investment Management
Artemis Investment Management Edinburgh, United Kingdom $11.5B AUM 61.77% 1-Year Est. Return
GF Fund Management
GF Fund Management Guangzhou, China $7.72B AUM 122.96% 1-Year Est. Return
Fort Washington Investment Advisors
Fort Washington Investment Advisors Cincinnati, Ohio $19.7B AUM 20.11% 1-Year Est. Return
Braun Stacey Associates
Braun Stacey Associates New York $3.48B AUM 48.73% 1-Year Est. Return
Robeco Schweiz
Robeco Schweiz Zurich, Switzerland $5.55B AUM 53.94% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
Mutual of America Capital Management
Mutual of America Capital Management New York $10.1B AUM 33.74% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
Stanley-Laman Group
Stanley-Laman Group Berwyn, Pennsylvania $915M AUM 50.26% 1-Year Est. Return

Congress Asset Management's ONTO Position: Q3 2026 in Review

Congress Asset Management increased its Onto Innovation (ONTO) stake by 0.43% in Q3 2026, buying an estimated $1.43K and bringing the position to 1,156 shares worth $356K. The position accounts for ﹤0.01% of the portfolio, ranked #365.

Congress Asset Management first reported a position in ONTO in Q1 2021 and has held it in 23 quarters since. The position peaked at $223M in Q3 2024. 150 funds tracked by Wall St. Rank hold ONTO as of Q3 2026.

  • Congress Asset Management held 1,156 shares of Onto Innovation worth $356K as of Q3 2026.
  • Congress Asset Management bought 5 Onto Innovation shares in Q3 2026, an estimated $1.43K.
  • Onto Innovation made up ﹤0.01% of Congress Asset Management's portfolio in Q3 2026, its #365 holding.
  • Congress Asset Management first reported a position in Onto Innovation in Q1 2021 and has held it in 23 quarters since.
  • Congress Asset Management's Onto Innovation position peaked at $223M in Q3 2024.
  • 150 funds tracked by Wall St. Rank held Onto Innovation as of Q3 2026.

Based on Congress Asset Management's 13F filing for Q3 2026, filed 6 Oct 2026.