YAHOO INC

CUSIP: 984332106 Class: COM

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

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

Q1 2015
Shares 129,300 Value ($000) $5,745 Avg Close — Range —
Q4 2014
Shares 78,666 Value ($000) $3,973 Avg Close — Range —
Q3 2014
Shares 78,666 Value ($000) $3,206 Avg Close — Range —
Q2 2014
Shares 262,488 Value ($000) $9,221 Avg Close — Range —
Q1 2014
Shares 409,102 Value ($000) $14,687 Avg Close — Range —
Q4 2013
Shares 219,278 Value ($000) $8,868 Avg Close — Range —
Q3 2013
Shares 47,564 Value ($000) $1,578 Avg Close — Range —