NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

MERCER GLOBAL ADVISORS INC /ADV's Holding History (CIK: 0000853758)

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

Q4 2019
Shares 10,127 Value ($000) $429 Avg Close — Range —
Q3 2019
Shares 13,970 Value ($000) $586 Avg Close — Range —
Q2 2019
Shares 15,074 Value ($000) $633 Avg Close — Range —
Q1 2019
Shares 5,095 Value ($000) $231 Avg Close — Range —