NIM
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Needham Investment Management’s PDF Solutions PDFS Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$40.9M Buy
1,913,500
+48,500
+3% +$1.04M 3.26% 3
2025
Q1
$35.6M Buy
1,865,000
+47,500
+3% +$908K 3.34% 3
2024
Q4
$49.2M Buy
1,817,500
+57,950
+3% +$1.57M 3.8% 1
2024
Q3
$55.7M Buy
1,759,550
+429,550
+32% +$13.6M 4.28% 2
2024
Q2
$48.4M Buy
1,330,000
+210,000
+19% +$7.64M 3.98% 3
2024
Q1
$37.7M Buy
1,120,000
+257,500
+30% +$8.67M 3.5% 3
2023
Q4
$27.7M Buy
862,500
+165,000
+24% +$5.3M 3.5% 4
2023
Q3
$22.6M Buy
697,500
+40,000
+6% +$1.3M 3.84% 3
2023
Q2
$29.7M Buy
657,500
+23,000
+4% +$1.04M 4.89% 2
2023
Q1
$26.9M Sell
634,500
-64,490
-9% -$2.73M 4.64% 1
2022
Q4
$19.9M Sell
698,990
-91,010
-12% -$2.6M 3.61% 3
2022
Q3
$19.4M Sell
790,000
-66,511
-8% -$1.63M 3.8% 2
2022
Q2
$18.4M Sell
856,511
-10,820
-1% -$233K 3.44% 4
2022
Q1
$24.2M Sell
867,331
-88,059
-9% -$2.45M 3.5% 3
2021
Q4
$30.4M Sell
955,390
-308,610
-24% -$9.81M 3.81% 3
2021
Q3
$29.1M Sell
1,264,000
-255,000
-17% -$5.88M 3.89% 4
2021
Q2
$27.6M Buy
1,519,000
+205,000
+16% +$3.73M 4.04% 3
2021
Q1
$23.4M Buy
1,314,000
+340,000
+35% +$6.05M 3.19% 3
2020
Q4
$21M Buy
974,000
+8,000
+0.8% +$173K 3.53% 3
2020
Q3
$18.1M Sell
966,000
-73,000
-7% -$1.37M 3.61% 3
2020
Q2
$20.3M Sell
1,039,000
-235,615
-18% -$4.61M 4.34% 2
2020
Q1
$14.9M Buy
1,274,615
+112,800
+10% +$1.32M 4.23% 3
2019
Q4
$19.6M Sell
1,161,815
-141,385
-11% -$2.39M 5.35% 2
2019
Q3
$17M Sell
1,303,200
-12,900
-1% -$169K 5.47% 2
2019
Q2
$17.3M Buy
1,316,100
+16,000
+1% +$210K 5.7% 1
2019
Q1
$16.1M Hold
1,300,100
5.46% 3
2018
Q4
$11M Buy
1,300,100
+84,100
+7% +$709K 4.11% 4
2018
Q3
$11M Buy
1,216,000
+253,500
+26% +$2.29M 3.31% 10
2018
Q2
$11.5M Sell
962,500
-70,000
-7% -$839K 3.24% 8
2018
Q1
$12M Buy
1,032,500
+60,000
+6% +$700K 3.44% 6
2017
Q4
$15.3M Buy
972,500
+29,600
+3% +$465K 4.06% 5
2017
Q3
$14.6M Buy
942,900
+197,900
+27% +$3.07M 3.7% 5
2017
Q2
$12.3M Buy
745,000
+82,050
+12% +$1.35M 3.26% 8
2017
Q1
$15M Hold
662,950
3.86% 5
2016
Q4
$15M Sell
662,950
-4,550
-0.7% -$103K 3.82% 6
2016
Q3
$12.1M Buy
667,500
+27,500
+4% +$500K 3.2% 8
2016
Q2
$8.95M Buy
640,000
+10,000
+2% +$140K 2.47% 10
2016
Q1
$8.43M Buy
630,000
+41,500
+7% +$555K 2.2% 14
2015
Q4
$6.38M Sell
588,500
-19,000
-3% -$206K 1.59% 22
2015
Q3
$6.08M Buy
607,500
+63,250
+12% +$633K 1.52% 22
2015
Q2
$8.71M Buy
544,250
+16,750
+3% +$268K 1.89% 18
2015
Q1
$9.45M Buy
527,500
+10,000
+2% +$179K 2.01% 16
2014
Q4
$7.69M Buy
517,500
+45,000
+10% +$669K 1.62% 22
2014
Q3
$5.96M Sell
472,500
-38,000
-7% -$479K 1.32% 26
2014
Q2
$10.8M Sell
510,500
-42,000
-8% -$891K 2.26% 13
2014
Q1
$10M Sell
552,500
-32,500
-6% -$591K 2.12% 14
2013
Q4
$15M Hold
585,000
3.1% 8
2013
Q3
$12.4M Sell
585,000
-125,000
-18% -$2.65M 2.78% 10
2013
Q2
$13.1M Buy
+710,000
New +$13.1M 3.06% 6