RATIONAL ADVISORS LLC - NATIONAL INSTRS CORP ownership

NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 4 filers reported holding NATIONAL INSTRS CORP in Q4 2011. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
RATIONAL ADVISORS LLC ownership history of NATIONAL INSTRS CORP
ValueSharesWeighting
Q4 2013$122,000
-4.7%
3,812
-8.2%
0.01%0.0%
Q3 2013$128,000
+7.6%
4,152
-2.5%
0.01%0.0%
Q2 2013$119,000
-45.9%
4,260
-36.6%
0.01%
-33.3%
Q1 2013$220,000
-67.2%
6,720
-67.2%
0.02%
-53.1%
Q3 2011$670,000
+2.9%
20,5000.0%0.03%
+6.7%
Q2 2011$651,000
-4.8%
20,5000.0%0.03%
-53.8%
Q1 2010$684,00020,5000.06%
Other shareholders
NATIONAL INSTRS CORP shareholders Q4 2011
NameSharesValueWeighting ↓
Simcah Management LLC 147,000$4,707,0005.43%
MCDANIEL TERRY & CO 391,950$12,550,0003.17%
RIVERBRIDGE PARTNERS LLC 4,966,070$159,014,0002.88%
Friedberg Investment Management 215,373$6,896,0002.79%
OMT Capital Management LLC 265,260$8,494,0002.56%
SCHAPER BENZ & WISE INVESTMENT COUNSEL INC/WI 280,524$8,982,0002.00%
EdgePoint Investment Group Inc. 1,994,089$63,851,0001.66%
Stanley-Laman Group, Ltd. 189,510$6,068,0001.32%
HERMES INVESTMENT MANAGEMENT LTD 1,302,950$41,720,0001.27%
Tygh Capital Management, Inc. 188,453$6,034,0001.26%
View complete list of NATIONAL INSTRS CORP shareholders