SILVER WHEATON CORP

CUSIP: 828336107 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q1 2017
Shares 21,413 Value ($000) $446 Avg Close — Range —
Q4 2016
Shares 21,413 Value ($000) $414 Avg Close — Range —
Q3 2016
Shares 21,413 Value ($000) $579 Avg Close — Range —
Q2 2016
Shares 79,500 Value ($000) $1,871 Avg Close — Range —
Q3 2013
Shares 25,991 Value ($000) $644 Avg Close — Range —
Q2 2013
Shares 30,159 Value ($000) $593 Avg Close — Range —