NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

STEVENS CAPITAL MANAGEMENT LP's Holding History (CIK: 0001134813)

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

Q4 2019
Shares 18,510 Value ($000) $784 Avg Close — Range —
Q1 2019
Shares 7,950 Value ($000) $353 Avg Close — Range —
Q4 2018
Shares 27,915 Value ($000) $1,267 Avg Close — Range —
Q2 2018
Shares 17,600 Value ($000) $739 Avg Close — Range —
Q1 2017
Shares 15,162 Value ($000) $494 Avg Close — Range —
Q4 2016
Shares 52,228 Value ($000) $1,610 Avg Close — Range —
Q3 2016
Shares 13,855 Value ($000) $393 Avg Close — Range —
Q1 2016
Shares 11,832 Value ($000) $356 Avg Close — Range —
Q1 2015
Shares 7,247 Value ($000) $232 Avg Close — Range —
Q4 2014
Shares 28,008 Value ($000) $871 Avg Close — Range —
Q1 2014
Shares 26,044 Value ($000) $747 Avg Close — Range —
Q4 2013
Shares 22,961 Value ($000) $735 Avg Close — Range —