NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q2 2023
Shares 9,331 Value ($000) $1 Avg Close — Range —
Q4 2021
Shares 29,337 Value ($000) $1,281 Avg Close — Range —
Q3 2021
Shares 93,555 Value ($000) $3,670 Avg Close — Range —
Q1 2021
Shares 146,952 Value ($000) $6,346 Avg Close — Range —
Q4 2020
Shares 14,600 Value ($000) $642 Avg Close — Range —
Q3 2020
Shares 186,286 Value ($000) $6,650 Avg Close — Range —
Q2 2020
Shares 168,923 Value ($000) $6,539 Avg Close — Range —
Q4 2019
Shares 690,566 Value ($000) $29,239 Avg Close — Range —
Q3 2019
Shares 976,072 Value ($000) $40,985 Avg Close — Range —
Q2 2019
Shares 1,605,246 Value ($000) $67,404 Avg Close — Range —
Q1 2019
Shares 1,660,328 Value ($000) $73,652 Avg Close — Range —
Q4 2018
Shares 85,342 Value ($000) $3,873 Avg Close — Range —
Q1 2018
Shares 17,571 Value ($000) $889 Avg Close — Range —
Q4 2017
Shares 154,495 Value ($000) $6,432 Avg Close — Range —
Q3 2017
Shares 82,400 Value ($000) $3,475 Avg Close — Range —