NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2023
Shares 1,313,891 Value ($000) $78,334 Avg Close — Range —
Q2 2023
Shares 1,763,212 Value ($000) $101,208 Avg Close — Range —
Q1 2023
Shares 3,900,608 Value ($000) $204,431 Avg Close — Range —
Q4 2022
Shares 4,000,514 Value ($000) $147,619 Avg Close — Range —
Q3 2022
Shares 4,247,435 Value ($000) $160,298 Avg Close — Range —
Q2 2022
Shares 4,759,819 Value ($000) $148,649 Avg Close — Range —
Q1 2022
Shares 4,879,023 Value ($000) $198,040 Avg Close — Range —
Q4 2021
Shares 4,391,377 Value ($000) $191,771 Avg Close — Range —
Q3 2021
Shares 4,274,364 Value ($000) $167,683 Avg Close — Range —
Q2 2021
Shares 4,196,616 Value ($000) $177,433 Avg Close — Range —
Q1 2021
Shares 4,270,308 Value ($000) $184,413 Avg Close — Range —
Q4 2020
Shares 3,609,062 Value ($000) $158,582 Avg Close — Range —
Q3 2020
Shares 3,654,336 Value ($000) $130,460 Avg Close — Range —
Q2 2020
Shares 3,682,372 Value ($000) $142,545 Avg Close — Range —
Q1 2020
Shares 3,647,978 Value ($000) $120,675 Avg Close — Range —
Q4 2019
Shares 2,389,605 Value ($000) $101,176 Avg Close — Range —
Q3 2019
Shares 2,319,202 Value ($000) $97,383 Avg Close — Range —
Q2 2019
Shares 2,278,426 Value ($000) $95,671 Avg Close — Range —
Q1 2019
Shares 1,587,109 Value ($000) $70,404 Avg Close — Range —
Q4 2018
Shares 2,433,165 Value ($000) $110,417 Avg Close — Range —
Q3 2018
Shares 2,765,862 Value ($000) $133,674 Avg Close — Range —
Q2 2018
Shares 2,312,265 Value ($000) $97,069 Avg Close — Range —
Q1 2018
Shares 2,344,733 Value ($000) $118,573 Avg Close — Range —
Q4 2017
Shares 2,272,374 Value ($000) $94,599 Avg Close — Range —
Q3 2017
Shares 2,841,867 Value ($000) $119,842 Avg Close — Range —
Q2 2017
Shares 2,863,043 Value ($000) $115,152 Avg Close — Range —