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PDF SOLUTIONS INC
PDF SOLUTIONS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 3 Institutional holders with a total value of $181,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 11,100 165,000 91.16% Call
2 CITADEL ADVISORS LLC 1,100 16,000 8.84% Call
3 SIMPLEX TRADING, LLC 17 0 0.00% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.