Citadel 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
Q1
$60.8M Buy
296,570
+157,804
+114% +$32.3M 0.01% 1177
2025
Q4
$21.9M Sell
138,766
-252,516
-65% -$35.9M ﹤0.01% 2247
2025
Q3
$50.6M Buy
391,282
+102,218
+35% +$10.9M 0.01% 1369
2025
Q2
$29.2M Buy
289,064
+285,949
+9,180% +$30.5M 0.01% 1707
2025
Q1
$378K Sell
3,115
-20,648
-87% -$3.48M ﹤0.01% 9083
2024
Q4
$3.96M Buy
23,763
+19,262
+428% +$3.52M ﹤0.01% 4353
2024
Q3
$934K Sell
4,501
-142,765
-97% -$28.8M ﹤0.01% 7005
2024
Q2
$32.3M Buy
147,266
+127,317
+638% +$26.3M 0.01% 1539
2024
Q1
$3.61M Sell
19,949
-12,225
-38% -$2.06M ﹤0.01% 4483
2023
Q4
$4.92M Buy
+32,174
New +$4.33M ﹤0.01% 3818
2023
Q3
Sell
-58,697
Closed -$6.98M 14857
2023
Q2
$6.84M Buy
+58,697
New +$5.6M ﹤0.01% 3189
2023
Q1
Sell
-24,925
Closed -$2.02M 15276
2022
Q4
$1.7M Sell
24,925
-76,879
-76% -$5.52M ﹤0.01% 5784
2022
Q3
$6.52M Buy
101,804
+60,454
+146% +$4.44M ﹤0.01% 3439
2022
Q2
$2.88M Buy
41,350
+7,666
+23% +$567K ﹤0.01% 4829
2022
Q1
$2.93M Buy
+33,684
New +$3M ﹤0.01% 5245
2021
Q3
Sell
-19,715
Closed -$1.42M 14411
2021
Q2
$1.44M Buy
+19,715
New +$1.35M ﹤0.01% 7413
2021
Q1
Sell
-153,644
Closed -$9.15M 13558
2020
Q4
$7.31M Buy
153,644
+6,770
+5% +$271K ﹤0.01% 3070
2020
Q3
$4.37M Sell
146,874
-11,602
-7% -$385K ﹤0.01% 3349
2020
Q2
$5.39M Buy
158,476
+95,206
+150% +$3.09M ﹤0.01% 2988
2020
Q1
$1.88M Buy
63,270
+6,945
+12% +$237K ﹤0.01% 4249
2019
Q4
$2.06M Sell
56,325
-11,103
-16% -$377K ﹤0.01% 4376
2019
Q3
$2.2M Sell
67,428
-12,687
-16% -$395K ﹤0.01% 4334
2019
Q2
$2.78M Sell
80,115
-12,310
-13% -$393K ﹤0.01% 3982
2019
Q1
$2.85M Sell
92,425
-14,329
-13% -$421K ﹤0.01% 3847
2018
Q4
$2.92M Buy
106,754
+1,007
+1% +$31K ﹤0.01% 3559
2018
Q3
$3.97M Sell
105,747
-5,444
-5% -$214K ﹤0.01% 3309
2018
Q2
$3.94M Buy
111,191
+80,329
+260% +$2.75M ﹤0.01% 3099
2018
Q1
$830K Sell
30,862
-46,861
-60% -$1.25M ﹤0.01% 5084
2017
Q4
$1.94M Buy
77,723
+40,703
+110% +$1.08M ﹤0.01% 3686
2017
Q3
$1.07M Buy
37,020
+24,267
+190% +$639K ﹤0.01% 4226
2017
Q2
$323K Buy
+12,753
New +$360K ﹤0.01% 5783
2016
Q4
Sell
-12,265
Closed -$274K 7671
2016
Q3
$274K Sell
12,265
-5,262
-30% -$110K ﹤0.01% 5827
2016
Q2
$364K Buy
+17,527
New +$309K ﹤0.01% 4939
2016
Q1
Sell
-2,443
Closed -$37K 7624
2015
Q4
$37K Sell
2,443
-41,062
-94% -$599K ﹤0.01% 7529
2015
Q3
$528K Buy
43,505
+15,325
+54% +$217K ﹤0.01% 4735
2015
Q2
$454K Buy
28,180
+20,492
+267% +$320K ﹤0.01% 5136
2015
Q1
$129K Sell
7,688
-6,381
-45% -$109K ﹤0.01% 6631
2014
Q4
$237K Buy
+14,069
New +$209K ﹤0.01% 5770
2014
Q2
Sell
-18,772
Closed -$338K 8204
2014
Q1
$338K Buy
18,772
+7,752
+70% +$141K ﹤0.01% 4880
2013
Q4
$210K Buy
11,020
+2,059
+23% +$36.1K ﹤0.01% 4980
2013
Q3
$145K Buy
8,961
+2,656
+42% +$40K ﹤0.01% 5042
2013
Q2
$93K Buy
+6,305
New +$91.1K ﹤0.01% 5279

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