William Blair Investment Management’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
$41.1M Sell
1,255,559
-102,922
-8% -$3.36M 0.14% 152
2025
Q4
$38.8M Buy
1,358,481
+9,040
+0.7% +$250K 0.11% 164
2025
Q3
$34.8M Buy
1,349,441
+162,358
+14% +$3.55M 0.09% 186
2025
Q2
$25.4M Buy
1,187,083
+61,124
+5% +$1.16M 0.07% 254
2025
Q1
$21.5M Buy
1,125,959
+62,376
+6% +$1.53M 0.06% 281
2024
Q4
$28.8M Buy
1,063,583
+161,306
+18% +$4.86M 0.07% 264
2024
Q3
$28.6M Buy
902,277
+158,642
+21% +$5.15M 0.07% 247
2024
Q2
$27.1M Buy
743,635
+90,789
+14% +$3.04M 0.07% 249
2024
Q1
$22M Buy
652,846
+4,909
+0.8% +$161K 0.06% 296
2023
Q4
$20.8M Buy
647,937
+92,033
+17% +$2.79M 0.06% 287
2023
Q3
$18M Sell
555,904
-141,321
-20% -$5.41M 0.06% 287
2023
Q2
$31.4M Sell
697,225
-87,692
-11% -$3.58M 0.1% 222
2023
Q1
$33.3M Sell
784,917
-54,923
-7% -$1.92M 0.12% 195
2022
Q4
$24M Buy
839,840
+4,579
+0.5% +$124K 0.09% 244
2022
Q3
$20.5M Buy
835,261
+41,898
+5% +$1.06M 0.08% 253
2022
Q2
$17.1M Buy
793,363
+8,061
+1% +$186K 0.06% 274
2022
Q1
$21.9M Sell
785,302
-313,252
-29% -$8.75M 0.07% 273
2021
Q4
$34.9M Sell
1,098,554
-40,986
-4% -$1.14M 0.09% 235
2021
Q3
$26.3M Buy
1,139,540
+353,005
+45% +$7.27M 0.07% 285
2021
Q2
$14.3M Sell
786,535
-17,713
-2% -$317K 0.04% 252
2021
Q1
$14.3M Buy
804,248
+59,575
+8% +$1.18M 0.05% 249
2020
Q4
$16.1M Buy
744,673
+111,334
+18% +$2.34M 0.05% 230
2020
Q3
$11.8M Buy
633,339
+154,227
+32% +$3.18M 0.05% 250
2020
Q2
$9.37M Buy
+479,112
New +$7.79M 0.04% 257

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