RPX CORP

CUSIP: 74972G103 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q4 2015
Shares 899,322 Value ($000) $9,893 Avg Close — Range —
Q3 2015
Shares 1,959,411 Value ($000) $26,883 Avg Close — Range —