GROUP ONE TRADING, L.P. - PDF SOLUTIONS INC ownership

PDF SOLUTIONS INC's ticker is PDFS and the CUSIP is 693282105. A total of 128 filers reported holding PDF SOLUTIONS INC in Q2 2022. The put-call ratio across all filers is - and the average weighting 0.5%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of PDF SOLUTIONS INC
ValueSharesWeighting
Q1 2023$1,018
-98.7%
24
-99.2%
0.00%
Q3 2022$79,000
+49.1%
3,200
+68.7%
0.00%
Q1 2022$53,000
-11.7%
1,8970.0%0.00%
Q4 2021$60,000
+93.5%
1,897
+18.3%
0.00%
Q2 2020$31,000
+138.5%
1,603
+107.6%
0.00%
Q4 2019$13,000
-83.5%
772
-87.3%
0.00%
-100.0%
Q3 2019$79,000
-56.4%
6,072
-55.9%
0.00%
-50.0%
Q2 2019$181,000
-69.5%
13,782
-71.3%
0.00%
-71.4%
Q1 2019$594,000
-29.5%
48,062
-51.9%
0.01%0.0%
Q4 2018$843,000
+32.3%
100,000
+41.7%
0.01%
+40.0%
Q3 2018$637,000
+63600.0%
70,552
+201477.1%
0.01%
Q2 2015$1,000
-80.0%
35
-88.0%
0.00%
Q1 2014$5,000
-50.0%
291
-36.0%
0.00%
Q3 2013$10,000
-82.8%
455
-85.6%
0.00%
-100.0%
Q2 2013$58,0003,1550.00%
Other shareholders
PDF SOLUTIONS INC shareholders Q2 2022
NameSharesValueWeighting ↓
Samjo Capital LLC 1,020,000$22,032,00018.79%
Cowen Prime Services LLC 1,562,526$33,751,00014.96%
NEEDHAM INVESTMENT MANAGEMENT LLC 974,000$21,038,0003.53%
SNYDER CAPITAL MANAGEMENT L P 1,173,340$25,344,0000.83%
Divisar Capital Management LLC 73,567$1,589,0000.49%
Ranger Investment Management 265,978$5,745,0000.30%
GSA CAPITAL PARTNERS LLP 32,451$701,0000.12%
RMB Capital Management, LLC 93,181$2,013,0000.07%
ROYCE & ASSOCIATES LP 401,100$8,664,0000.07%
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 744,673$16,085,0000.05%
View complete list of PDF SOLUTIONS INC shareholders