NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 224 filers reported holding NATIONAL INSTRS CORP in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $979,000 | -4.7% | 32,516 | -7.8% | 0.00% | 0.0% |
| Q4 2015 | $1,027,000 | +46.1% | 35,278 | +39.5% | 0.00% | +100.0% |
| Q3 2015 | $703,000 | +152.9% | 25,294 | +168.9% | 0.00% | – |
| Q2 2015 | $278,000 | +122.4% | 9,408 | +141.9% | 0.00% | – |
| Q1 2015 | $125,000 | +400.0% | 3,889 | +395.4% | 0.00% | – |
| Q4 2014 | $25,000 | +4.2% | 785 | 0.0% | 0.00% | – |
| Q3 2014 | $24,000 | +41.2% | 785 | +47.3% | 0.00% | – |
| Q2 2014 | $17,000 | -43.3% | 533 | -49.3% | 0.00% | – |
| Q1 2014 | $30,000 | +114.3% | 1,051 | +129.0% | 0.00% | – |
| Q4 2013 | $14,000 | -94.9% | 459 | -94.8% | 0.00% | – |
| Q3 2013 | $275,000 | +66.7% | 8,886 | +49.8% | 0.00% | – |
| Q2 2013 | $165,000 | – | 5,933 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Simcah Management LLC | 147,000 | $4,707,000 | 5.43% |
| MCDANIEL TERRY & CO | 391,950 | $12,550,000 | 3.17% |
| RIVERBRIDGE PARTNERS LLC | 4,966,070 | $159,014,000 | 2.88% |
| Friedberg Investment Management | 215,373 | $6,896,000 | 2.79% |
| OMT Capital Management LLC | 265,260 | $8,494,000 | 2.56% |
| SCHAPER BENZ & WISE INVESTMENT COUNSEL INC/WI | 280,524 | $8,982,000 | 2.00% |
| EdgePoint Investment Group Inc. | 1,994,089 | $63,851,000 | 1.66% |
| Stanley-Laman Group, Ltd. | 189,510 | $6,068,000 | 1.32% |
| HERMES INVESTMENT MANAGEMENT LTD | 1,302,950 | $41,720,000 | 1.27% |
| Tygh Capital Management, Inc. | 188,453 | $6,034,000 | 1.26% |