TSAKOS ENERGY NAVIGATION LTD

CUSIP: G9108L108 Class: SHS

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q2 2015
Shares 314,936 Value ($000) $3,001 Avg Close — Range —
Q2 2014
Shares 173,065 Value ($000) $1,158 Avg Close — Range —
Q1 2014
Shares 831,082 Value ($000) $6,449 Avg Close — Range —
Q4 2013
Shares 25,006 Value ($000) $150 Avg Close — Range —
Q3 2013
Shares 271,654 Value ($000) $1,415 Avg Close — Range —