NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

NEEDHAM INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001167212)

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

Q2 2021
Shares 25,000 Value ($000) $1,057 Avg Close — Range —
Q2 2020
Shares 23,500 Value ($000) $909 Avg Close — Range —
Q1 2020
Shares 47,000 Value ($000) $1,556 Avg Close — Range —
Q4 2019
Shares 27,000 Value ($000) $1,143 Avg Close — Range —
Q3 2019
Shares 27,000 Value ($000) $1,134 Avg Close — Range —
Q2 2019
Shares 27,000 Value ($000) $1,134 Avg Close — Range —
Q1 2019
Shares 27,000 Value ($000) $1,198 Avg Close — Range —
Q4 2018
Shares 28,000 Value ($000) $1,271 Avg Close — Range —
Q3 2018
Shares 29,800 Value ($000) $1,440 Avg Close — Range —
Q2 2018
Shares 29,800 Value ($000) $1,251 Avg Close — Range —
Q1 2018
Shares 29,800 Value ($000) $1,507 Avg Close — Range —
Q4 2017
Shares 29,800 Value ($000) $1,241 Avg Close — Range —
Q3 2017
Shares 29,800 Value ($000) $1,257 Avg Close — Range —
Q2 2017
Shares 29,800 Value ($000) $1,199 Avg Close — Range —
Q1 2017
Shares 30,500 Value ($000) $993 Avg Close — Range —
Q4 2016
Shares 30,500 Value ($000) $940 Avg Close — Range —
Q3 2016
Shares 37,700 Value ($000) $1,071 Avg Close — Range —
Q2 2016
Shares 37,700 Value ($000) $1,033 Avg Close — Range —
Q1 2016
Shares 29,000 Value ($000) $873 Avg Close — Range —
Q4 2015
Shares 29,000 Value ($000) $832 Avg Close — Range —
Q3 2015
Shares 22,000 Value ($000) $612 Avg Close — Range —
Q2 2015
Shares 10,000 Value ($000) $294 Avg Close — Range —