Citadel Advisors’s PDF Solutions PDFS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.13M Sell
34,588
-5,268
-13% -$172K ﹤0.01% 7390
2025
Q4
$1.14M Buy
39,856
+2,566
+7% +$71K ﹤0.01% 7106
2025
Q3
$963K Sell
37,290
-64,786
-63% -$1.41M ﹤0.01% 7612
2025
Q2
$2.18M Buy
102,076
+48,658
+91% +$921K ﹤0.01% 5545
2025
Q1
$1.02M Buy
53,418
+32,607
+157% +$800K ﹤0.01% 6912
2024
Q4
$564K Buy
20,811
+10,511
+102% +$317K ﹤0.01% 8296
2024
Q3
$326K Sell
10,300
-43,339
-81% -$1.41M ﹤0.01% 9157
2024
Q2
$1.95M Sell
53,639
-4,642
-8% -$155K ﹤0.01% 5363
2024
Q1
$1.96M Sell
58,281
-47,473
-45% -$1.56M ﹤0.01% 5560
2023
Q4
$3.4M Sell
105,754
-25,887
-20% -$785K ﹤0.01% 4441
2023
Q3
$4.27M Buy
131,641
+86,166
+189% +$3.3M ﹤0.01% 3919
2023
Q2
$2.05M Sell
45,475
-132,525
-74% -$5.41M ﹤0.01% 5109
2023
Q1
$7.55M Buy
178,000
+151,018
+560% +$5.29M 0.01% 3176
2022
Q4
$770K Sell
26,982
-3,985
-13% -$108K ﹤0.01% 7342
2022
Q3
$760K Sell
30,967
-17,757
-36% -$449K ﹤0.01% 7584
2022
Q2
$1.05M Buy
48,724
+30,406
+166% +$703K ﹤0.01% 6913
2022
Q1
$511K Sell
18,318
-65,504
-78% -$1.83M ﹤0.01% 9341
2021
Q4
$2.67M Buy
83,822
+37,519
+81% +$1.04M ﹤0.01% 5570
2021
Q3
$1.07M Sell
46,303
-8,919
-16% -$184K ﹤0.01% 7985
2021
Q2
$1M Buy
55,222
+13,379
+32% +$240K ﹤0.01% 8367
2021
Q1
$743K Buy
41,843
+11,552
+38% +$229K ﹤0.01% 8818
2020
Q4
$654K Buy
30,291
+5,356
+21% +$112K ﹤0.01% 7640
2020
Q3
$467K Sell
24,935
-48,172
-66% -$992K ﹤0.01% 7419
2020
Q2
$1.43M Sell
73,107
-78,889
-52% -$1.28M ﹤0.01% 5167
2020
Q1
$1.78M Buy
151,996
+36,295
+31% +$536K ﹤0.01% 4330
2019
Q4
$1.96M Buy
115,701
+2,763
+2% +$42.4K ﹤0.01% 4458
2019
Q3
$1.48M Buy
112,938
+60,471
+115% +$763K ﹤0.01% 4952
2019
Q2
$688K Buy
52,467
+38,308
+271% +$491K ﹤0.01% 6305
2019
Q1
$175K Sell
14,159
-40,728
-74% -$450K ﹤0.01% 8298
2018
Q4
$463K Sell
54,887
-27,159
-33% -$230K ﹤0.01% 6517
2018
Q3
$741K Sell
82,046
-163,403
-67% -$1.64M ﹤0.01% 6051
2018
Q2
$2.94M Buy
245,449
+44,324
+22% +$529K ﹤0.01% 3510
2018
Q1
$2.35M Buy
201,125
+53,599
+36% +$712K ﹤0.01% 3489
2017
Q4
$2.32M Sell
147,526
-58,264
-28% -$936K ﹤0.01% 3433
2017
Q3
$3.19M Buy
205,790
+95,659
+87% +$1.54M 0.01% 2843
2017
Q2
$1.81M Buy
+110,131
New +$2.04M ﹤0.01% 3303
2016
Q3
Sell
-21,571
Closed -$302K 7726
2016
Q2
$302K Buy
+21,571
New +$293K ﹤0.01% 5213
2016
Q1
Sell
-26,271
Closed -$285K 7701
2015
Q4
$285K Sell
26,271
-21,515
-45% -$233K ﹤0.01% 5288
2015
Q3
$477K Buy
+47,786
New +$600K ﹤0.01% 4871
2015
Q2
Sell
-8,285
Closed -$148K 8999
2015
Q1
$148K Sell
8,285
-8,900
-52% -$155K ﹤0.01% 6499
2014
Q4
$256K Buy
+17,185
New +$225K ﹤0.01% 5658
2014
Q2
Sell
-10,252
Closed -$186K 8228
2014
Q1
$186K Buy
+10,252
New +$226K ﹤0.01% 5590
2013
Q4
Sell
-22,882
Closed -$486K 7131
2013
Q3
$486K Sell
22,882
-44,961
-66% -$925K ﹤0.01% 3845
2013
Q2
$1.25M Buy
+67,843
New +$1.18M ﹤0.01% 2957

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