NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q3 2023
Shares 105,107 Value ($000) $6 Avg Close — Range —
Q2 2023
Shares 115,612 Value ($000) $7 Avg Close — Range —
Q1 2023
Shares 831,399 Value ($000) $44 Avg Close — Range —
Q4 2022
Shares 1,994,217 Value ($000) $74 Avg Close — Range —
Q3 2022
Shares 6,440,118 Value ($000) $243,051 Avg Close — Range —
Q2 2022
Shares 16,521,682 Value ($000) $515,972 Avg Close — Range —
Q1 2022
Shares 18,652,644 Value ($000) $757,111 Avg Close — Range —
Q4 2021
Shares 18,978,320 Value ($000) $828,783 Avg Close — Range —
Q3 2021
Shares 19,949,459 Value ($000) $782,617 Avg Close — Range —
Q2 2021
Shares 20,547,497 Value ($000) $868,748 Avg Close — Range —
Q1 2021
Shares 20,753,514 Value ($000) $896,241 Avg Close — Range —
Q4 2020
Shares 20,869,442 Value ($000) $917,003 Avg Close — Range —
Q3 2020
Shares 20,815,616 Value ($000) $743,117 Avg Close — Range —
Q2 2020
Shares 19,211,485 Value ($000) $743,677 Avg Close — Range —
Q1 2020
Shares 18,809,519 Value ($000) $622,219 Avg Close — Range —
Q4 2019
Shares 17,704,097 Value ($000) $749,591 Avg Close — Range —
Q3 2019
Shares 15,503,696 Value ($000) $651,000 Avg Close — Range —
Q2 2019
Shares 10,007,810 Value ($000) $420,228 Avg Close — Range —
Q1 2019
Shares 8,708,104 Value ($000) $386,291 Avg Close — Range —
Q4 2018
Shares 8,219,712 Value ($000) $373,011 Avg Close — Range —
Q3 2018
Shares 9,460,777 Value ($000) $457,239 Avg Close — Range —
Q2 2018
Shares 9,622,375 Value ($000) $403,947 Avg Close — Range —
Q1 2018
Shares 9,496,260 Value ($000) $480,226 Avg Close — Range —
Q4 2017
Shares 9,608,560 Value ($000) $400,004 Avg Close — Range —
Q3 2017
Shares 9,499,622 Value ($000) $400,599 Avg Close — Range —
Q2 2017
Shares 7,767,505 Value ($000) $312,409 Avg Close — Range —
Q1 2017
Shares 7,347,901 Value ($000) $239,248 Avg Close — Range —
Q4 2016
Shares 7,000,958 Value ($000) $215,770 Avg Close — Range —
Q3 2016
Shares 6,837,662 Value ($000) $194,190 Avg Close — Range —
Q2 2016
Shares 6,128,972 Value ($000) $167,934 Avg Close — Range —
Q1 2016
Shares 3,570,009 Value ($000) $107,493 Avg Close — Range —
Q4 2015
Shares 4,025,099 Value ($000) $115,480 Avg Close — Range —
Q3 2015
Shares 3,949,415 Value ($000) $109,754 Avg Close — Range —
Q2 2015
Shares 3,807,895 Value ($000) $112,181 Avg Close — Range —
Q1 2015
Shares 3,984,085 Value ($000) $127,650 Avg Close — Range —
Q4 2014
Shares 4,424,925 Value ($000) $137,571 Avg Close — Range —
Q3 2014
Shares 6,378,075 Value ($000) $197,274 Avg Close — Range —
Q2 2014
Shares 6,917,720 Value ($000) $224,065 Avg Close — Range —
Q1 2014
Shares 6,740,780 Value ($000) $193,393 Avg Close — Range —
Q4 2013
Shares 5,354,506 Value ($000) $171,451 Avg Close — Range —
Q3 2013
Shares 5,377,096 Value ($000) $166,314 Avg Close — Range —
Q2 2013
Shares 5,075,096 Value ($000) $141,798 Avg Close — Range —