NANOMETRICS INC

CUSIP: 630077105 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2018
Shares 18,933 Value ($000) $517 Avg Close — Range —
Q3 2018
Shares 31,568 Value ($000) $1,184 Avg Close — Range —
Q3 2017
Shares 21,737 Value ($000) $626 Avg Close — Range —
Q2 2017
Shares 21,171 Value ($000) $535 Avg Close — Range —
Q3 2015
Shares 299,276 Value ($000) $3,633 Avg Close — Range —
Q2 2015
Shares 1,269,396 Value ($000) $20,463 Avg Close — Range —
Q1 2015
Shares 1,632,946 Value ($000) $27,467 Avg Close — Range —
Q4 2014
Shares 1,884,051 Value ($000) $31,690 Avg Close — Range —
Q3 2014
Shares 1,932,243 Value ($000) $29,177 Avg Close — Range —
Q2 2014
Shares 1,951,183 Value ($000) $35,609 Avg Close — Range —
Q1 2014
Shares 1,923,076 Value ($000) $34,557 Avg Close — Range —
Q4 2013
Shares 1,920,193 Value ($000) $36,579 Avg Close — Range —
Q3 2013
Shares 2,249,943 Value ($000) $36,269 Avg Close — Range —
Q2 2013
Shares 2,193,683 Value ($000) $32,181 Avg Close — Range —