EXFO INC

CUSIP: 302046107 Class: SUB VTG SHS

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

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

Q4 2019
Shares 371,198 Value ($000) $1,716 Avg Close — Range —
Q3 2019
Shares 354,052 Value ($000) $1,413 Avg Close — Range —
Q2 2019
Shares 394,671 Value ($000) $1,444 Avg Close — Range —
Q1 2019
Shares 336,414 Value ($000) $1,238 Avg Close — Range —
Q4 2018
Shares 349,216 Value ($000) $992 Avg Close — Range —
Q3 2018
Shares 372,498 Value ($000) $1,415 Avg Close — Range —
Q2 2018
Shares 357,145 Value ($000) $1,232 Avg Close — Range —
Q1 2018
Shares 356,712 Value ($000) $1,498 Avg Close — Range —