PDF Solutions Inc

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PDF Solutions Inc
TickerPDFS
CIK #0001120914
CUSIP693282105
SectorTechnology - Services-Computer Programming Services
Address333 West San Carlos Street Suite 700, San Jose, CA 95110
Source [EDGAR]
CIK Filing 2011 - 2025
[0001120914] 10-K
[0001120914] 10-Q
[0001120914] 3
[0001120914] 4
[0001120914] 5
[0001120914] 8-K
[0001120914] SC 13D
[0001120914] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Cowen Prime Advisors LLC PDF Solutions Inc [2023-08-07] 0.0
Cowen Prime Advisors LLC PDF Solutions Inc [2023-02-03] 4.0
Cowen Prime Advisors LLC PDF Solutions Inc [2022-02-09] 5.0
Advantest Corp PDF Solutions Inc [2020-08-06] 0.1
Cowen Prime Services LLC PDF Solutions Inc [2020-06-04] 5.0
Invesco Ltd PDF Solutions Inc [2020-02-13] 0.9
Vanguard Group Inc PDF Solutions Inc [2019-02-11] 5.74
Dimensional Fund Advisors LP PDF Solutions Inc [2019-02-08] 6.04
OppenheimerFunds Inc PDF Solutions Inc [2019-01-18] 9.31
VIEX Capital Advisors LLC PDF Solutions Inc [2018-11-20] 5.5
FMR LLC PDF Solutions Inc [2018-02-13] 0.0
BlackRock Inc PDF Solutions Inc [2017-01-30] 5.5
Cardinal Capital Management LLC /CT PDF Solutions Inc [2016-02-12] 0.0
BlackRock Inc PDF Solutions Inc [2016-01-28] 5.0
TimesSquare Capital Management LLC PDF Solutions Inc [2015-02-11] 5.0
Concept Capital Markets LLC PDF Solutions Inc [2015-02-10] 4.92
Concept Capital Markets LLC PDF Solutions Inc [2014-12-15] 5.49
Concept Capital Markets LLC PDF Solutions Inc [2014-12-15] 12.91
Shannon River Fund Management LLC PDF Solutions Inc [2014-04-11] 0.24
BlackRock Inc PDF Solutions Inc [2014-01-30] 5.0
FMR LLC PDF Solutions Inc [2013-02-14] 0.0
Form 3/4/5 Filer 2011 - 2025
Raza Adnan
PDF Solutions Inc
Strojwas Andrzej
Michaels Kimon
Li Ye Jane
Gustafson Michael B
Erba Nancy
Chan Chi-Foon
Bronson Joseph R
Zhang Shuo
Kibarian John Kachig
Iansiti Marco
Yin Gerald Zheyao
Christine Russell
Walker Gregory C
Hartgring Cornelis
Lanza Lucio
Kim KwangH
Heinrichs R Stephen
Yu Albert YC
Caulfield Thomas
Shahbazian Michael
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 4,722,369 4,797,670
Vanguard Group Inc [2025-06-30] SOLE 0 3,112,864
Needham Investment Management LLC [2025-06-30] DFND 1,913,500 1,913,500
Wasatch Advisors LP [2025-06-30] SOLE 1,191,373 1,191,373
William Blair Investment Management LLC [2025-06-30] SOLE 992,320 1,187,083
State Street Corp [2025-06-30] DFND 1,068,065 1,137,286
Ranger Investment Management LP [2025-06-30] SOLE 869,400 1,045,545
Emerald Advisers LLC [2025-06-30] SOLE 715,494 954,361
Samjo Management LLC [2025-06-30] SOLE 448,200 935,794
Snyder Capital Management L P [2025-06-30] DFND 0 812,639
Dimensional Fund Advisors LP [2025-06-30] SOLE 752,442 804,800
Janus Henderson Group PLC [2025-06-30] DFND 0 801,606
Geode Capital Management LLC [2025-06-30] DFND 784,701 784,701
Divisar Capital Management LLC [2025-06-30] SOLE 611,387 611,387
Emerald Mutual Fund Advisers Trust [2025-06-30] SOLE 581,410 581,410
Morgan Stanley [2025-06-30] DFND 549,351 567,701
Silverberg Bernstein Capital Management LLC [2025-06-30] SOLE 0 418,783
Northern Trust Corp [2025-06-30] DFND 354,751 355,710
Connor Clark & Lunn Investment Management Ltd [2025-06-30] SOLE 341,227 341,227
Russell Investments Group, Ltd. [2025-06-30] DFND 290,334 314,659
Nuveen, LLC [2025-06-30] DFND 308,094 308,389
Charles Schwab Investment Management Inc [2025-06-30] SOLE 288,512 288,532
FMR LLC [2025-06-30] DFND 211,772 230,674
Bank of New York Mellon Corp [2025-06-30] DFND 197,088 210,082
Herald Investment Management Ltd [2025-06-30] SOLE 200,000 200,000
Segall Bryant & Hamill LLC [2025-06-30] SOLE 158,726 197,691
D. E. Shaw & Co., Inc. [2025-06-30] DFND 171,661 172,861
Mak Capital One LLC [2025-06-30] SOLE 160,020 160,020
Centerbook Partners LP [2025-06-30] SOLE 158,816 158,816
Qube Research & Technologies Ltd [2025-06-30] SOLE 156,759 156,759
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