How many institutions held PDFS - PDF SOLUTIONS INC - Common Stock, par value $0.00015 per share in Q4 2017?

113 institutional investors reported PDFS - PDF SOLUTIONS INC - Common Stock, par value $0.00015 per share for Q4 2017. Use the holders table for investor-level position and value details.

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

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

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

CUSIP: 693282105

Q4 2017 13F Holders as of 31 Dec 2017

Security type / class: Equity / Common Stock, par value $0.00015 per share
Total 13F shares: 29,825,418
Total 13F value: $468,254,949
Share change: +2,190,858
Put/Call ratio: 13%
SEC-reported price per share: $15.70
Number of holders: 113
Value change: +$34,508,302
Number of buys: 61
Number of sells: 43
Shares outstanding: 39,660,784

Security key

693282105

Report period

Q4 2017

Institutions

113

Top holders

PDFS full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2018 Previous quarter: Q3 2017 PDF SOLUTIONS INC SEC filings PDF SOLUTIONS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 693282105

Newer quarter: Q1 2018 Previous quarter: Q3 2017

Recent filing periods:

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

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

PRICE T ROWE ASSOCIATES I...

Disclosed value leader

PRICE T ROWE ASSOCIATES I...

Comparable rows

15/15

Latest evidence

30 Sep 2017

13F Lead comparable stake: 7.6% Showing 1-6 of 15 holder rows.

Quick read

PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 7.6%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.

Comparable ownership Top 5

PRICE T ROWE ASSOCIATES INC /MD/ 7.6%

FMR LLC 5.7%

CARDINAL CAPITAL MANAGEMENT LLC /CT 5.3%

BlackRock Finance, Inc. 4.5%

GILDER GAGNON HOWE & CO LLC 3.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	7.6%	$46,776,000 3,019,732 shares	—	30 Sep 2017
FMR LLC	13F Company 13F	5.7%	$34,864,000 2,250,736 shares	—	30 Sep 2017
CARDINAL CAPITAL MANAGEMENT LLC /CT	13F Company 13F	5.3%	$32,446,000 2,094,663 shares	—	30 Sep 2017
BlackRock Finance, Inc.	13F Company 13F	4.5%	$27,469,000 1,773,304 shares	—	30 Sep 2017
GILDER GAGNON HOWE & CO LLC	13F Company 13F	3.9%	$23,734,000 1,532,186 shares	—	30 Sep 2017
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	3.4%	$20,680,000 1,335,084 shares	—	30 Sep 2017

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2017

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

113

29,825,418

Rows available

113

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

Q4 2017 holders

113

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 value	Q4 2017 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend