What does CUSIP 693282105 represent in this 13F holders report?

CUSIP 693282105 is the security identifier for PDFS - PDF SOLUTIONS INC - Common Stock, $0.00015 par value used to aggregate holder disclosures.

How many institutions held PDFS - PDF SOLUTIONS INC - Common Stock, $0.00015 par value in Q1 2021?

100 institutional investors reported PDFS - PDF SOLUTIONS INC - Common Stock, $0.00015 par value for Q1 2021. Use the holders table for investor-level position and value details.

PDF SOLUTIONS INC - Common Stock, $0.00015 par value (PDFS)

CUSIP: 693282105

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock, $0.00015 par value
Shares outstanding: 39,660,784
Total 13F shares: 25,705,304
Share change: -65,283
Total reported value: $457,080,392
Price per share: $17.78
Number of holders: 100
Value change: -$4,341,690
Number of buys: 39
Number of sells: 62

Quarterly Holders Quick Answers

What is CUSIP 693282105?
CUSIP 693282105 identifies PDFS - PDF SOLUTIONS INC - Common Stock, $0.00015 par value in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 693282105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of PDFS - PDF SOLUTIONS INC - Common Stock, $0.00015 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	11%	4,509,768	$97,411,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	8.1%	3,204,770	$69,223,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	5.8%	2,300,783	$49,697,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	5.4%	2,149,506	$46,429,000	—	31 Dec 2020	13F
Cowen Prime Services LLC	13F	Company	3.9%	1,562,526	$33,751,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3%	1,196,674	$25,848,000	—	31 Dec 2020	13F
SNYDER CAPITAL MANAGEMENT L P	13F	Company	3%	1,173,340	$25,344,000	—	31 Dec 2020	13F
Samjo Capital LLC	13F	Company	2.6%	1,020,000	$22,032,000	—	31 Dec 2020	13F
NEEDHAM INVESTMENT MANAGEMENT LLC	13F	Company	2.5%	974,000	$21,038,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	2.2%	881,145	$19,033,000	—	31 Dec 2020	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	1.9%	744,673	$16,085,000	—	31 Dec 2020	13F
Russell Investments Group, Ltd.	13F	Company	1.3%	515,306	$11,130,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	445,870	$9,630,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	1.1%	435,773	$9,413,000	—	31 Dec 2020	13F
ROYCE & ASSOCIATES LP	13F	Company	1%	401,100	$8,664,000	—	31 Dec 2020	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.97%	385,941	$8,336,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.71%	282,577	$6,104,000	—	31 Dec 2020	13F
Ranger Investment Management, L.P.	13F	Company	0.67%	265,978	$5,745,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.54%	212,495	$4,590,000	—	31 Dec 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.51%	201,583	$4,354,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.48%	189,878	$4,102,000	—	31 Dec 2020	13F
FMR LLC	13F	Company	0.37%	145,624	$3,145,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.31%	122,902	$2,655,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.29%	114,484	$2,473,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.28%	110,061	$2,378,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.24%	96,452	$2,083,000	—	31 Dec 2020	13F
Curi Capital, LLC	13F	Company	0.23%	93,181	$2,013,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.21%	85,241	$1,841,000	—	31 Dec 2020	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.21%	85,206	$1,840,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.21%	83,627	$1,807,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.2%	77,600	$1,676,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	0.19%	74,345	$1,606,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.19%	74,300	$1,605,000	—	31 Dec 2020	13F
Divisar Capital Management LLC	13F	Company	0.19%	73,567	$1,589,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.17%	67,646	$1,461,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.17%	66,006	$1,426,000	—	31 Dec 2020	13F
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F	Company	0.16%	64,682	$1,397,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.16%	62,400	$1,348,000	—	31 Dec 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.15%	57,865	$1,250,000	—	31 Dec 2020	13F
TD ASSET MANAGEMENT INC	13F	Company	0.13%	50,963	$1,101,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.12%	46,101	$995,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.11%	43,678	$943,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.1%	40,354	$871,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.1%	38,500	$832,000	—	31 Dec 2020	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.09%	34,913	$754,000	—	31 Dec 2020	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.09%	34,087	$737,000	—	31 Dec 2020	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.08%	33,125	$716,000	—	31 Dec 2020	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.08%	32,451	$701,000	—	31 Dec 2020	13F
BARCLAYS PLC	13F	Company	0.08%	32,346	$699,000	—	31 Dec 2020	13F
COMERICA BANK	13F	Company	0.08%	30,779	$688,000	—	31 Dec 2020	13F

Institutional Holders of PDF SOLUTIONS INC - Common Stock, $0.00015 par value (PDFS) as of Q1 2021

As of 31 Mar 2021, PDF SOLUTIONS INC - Common Stock, $0.00015 par value (PDFS) was held by 100 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 25,705,304 shares. The largest 10 holders included BlackRock Inc., Invesco Ltd., VANGUARD GROUP INC, PRICE T ROWE ASSOCIATES INC /MD/, Cowen Prime Services LLC, NEEDHAM INVESTMENT MANAGEMENT LLC, SNYDER CAPITAL MANAGEMENT L P, Samjo Capital LLC, DIMENSIONAL FUND ADVISORS LP, and STATE STREET CORP. This page lists 100 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

114

Q1 2021 holders

100

Holder diff

-14

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.