Institutional shares held 29.1 Million
2.5K calls
300 puts
Total value of holdings $905M
$77K calls
$9K puts
Market Cap $1.12B
37,276,900 Shares Out.
Institutional ownership 78.07%
# of Institutions 182


Latest Institutional Activity in PDFS

Top Purchases

Q3 2024
Needham Investment Management LLC Shares Held: 1.76M ($52.8M)
Q3 2024
William Blair Investment Management, LLC Shares Held: 902K ($27.1M)
Q3 2024
Ophir Asset Management Pty LTD Shares Held: 808K ($24.2M)
Q3 2024
Janus Henderson Group PLC Shares Held: 659K ($19.7M)
Q3 2024
Divisar Capital Management LLC Shares Held: 676K ($20.3M)

Top Sells

Q3 2024
Nuveen Asset Management, LLC Shares Held: 138K ($4.14M)
Q3 2024
Two Sigma Advisers, LP Shares Held: 26.4K ($791K)
Q3 2024
Snyder Capital Management L P Shares Held: 815K ($24.4M)
Q3 2024
Citadel Advisors LLC Shares Held: 10.3K ($309K)
Q3 2024
Granahan Investment Management, LLC Shares Held: 155K ($4.64M)

About PDFS

PDF Solutions, Inc. provides proprietary software and physical intellectual property products for integrated circuit designs, electrical measurement hardware tools, proven methodologies, and professional services in the United States, China, Japan, Taiwan, and internationally. The company offers Exensio software products, such as Manufacturing Analytics that stores collected data in a common environment with a consistent view for enabling product engineers to identify and analyze production yield, performance, reliability, and other issues; Process Control that provides failure detection and classification capabilities for monitoring, alarming, and controlling manufacturing tool sets; Test Operations that offers data collection and analysis capabilities; and Assembly Operations that provides device manufacturers with the capability to link assembly and packaging data, including fabrication and characterization data over the product life cycle. It also provides design-for-inspection (DFI) Systems, such as DFI on-chip instruments; eProbe non-contactless E-beam tool; and Characterization Vehicle (CV) system, which includes CV test chips and pdFasTest electrical testers, as well as Exensio characterization software, designed to analyze the measurements collected from DFI on-chip instruments using the eProbe tool. In addition, the company offers Cimetrix software products that enables equipment manufacturers to provide industry standard interfaces on their products; and software-as-a-service, software related services, and characterization services. It sells its technologies and services through direct sales force, service teams, and strategic alliances to integrated device manufacturers, fabless semiconductor companies, foundries, equipment manufacturers, electronics manufacturing suppliers, original device manufacturers, out-sourced semiconductor assembly and test, and system houses. The company was founded in 1991 and is headquartered in Santa Clara, California.


Insider Transactions at PDFS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
78.4K Shares
From 9 Insiders
Grant, award, or other acquisition 78.4K shares
Sell / Disposition
91.4K Shares
From 10 Insiders
Open market or private sale 66.7K shares
Payment of exercise price or tax liability 21.4K shares
Bona fide gift 3.31K shares

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