NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

Capital World Investors's Holding History (CIK: 0001422849)

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

Q2 2016
Shares 4,049,000 Value ($000) $110,943 Avg Close — Range —
Q1 2016
Shares 4,049,000 Value ($000) $121,915 Avg Close — Range —
Q4 2015
Shares 4,049,000 Value ($000) $116,166 Avg Close — Range —
Q3 2015
Shares 4,049,000 Value ($000) $112,522 Avg Close — Range —
Q2 2015
Shares 4,049,000 Value ($000) $119,284 Avg Close — Range —
Q1 2015
Shares 4,049,000 Value ($000) $129,730 Avg Close — Range —
Q4 2014
Shares 4,049,000 Value ($000) $125,883 Avg Close — Range —
Q3 2014
Shares 4,049,000 Value ($000) $125,236 Avg Close — Range —
Q2 2014
Shares 4,049,000 Value ($000) $131,147 Avg Close — Range —
Q1 2014
Shares 4,549,000 Value ($000) $130,511 Avg Close — Range —
Q4 2013
Shares 5,626,479 Value ($000) $180,160 Avg Close — Range —
Q3 2013
Shares 6,095,479 Value ($000) $188,533 Avg Close — Range —
Q2 2013
Shares 6,195,479 Value ($000) $173,102 Avg Close — Range —