NATIONAL INSTRS CORP's ticker is and the CUSIP is 63651810. A total of 1 filers reported holding NATIONAL INSTRS CORP in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $13,599,000 | +127.1% | 478,850 | +119.1% | 0.04% | +120.0% |
| Q2 2016 | $5,989,000 | +173.0% | 218,588 | +193.5% | 0.02% | +233.3% |
| Q3 2015 | $2,194,000 | 0.0% | 74,464 | 0.0% | 0.01% | -50.0% |
| Q2 2015 | $2,194,000 | +155.4% | 74,464 | +177.9% | 0.01% | +140.0% |
| Q1 2015 | $859,000 | +16.1% | 26,800 | +12.6% | 0.01% | +25.0% |
| Q4 2014 | $740,000 | +102.7% | 23,799 | +101.6% | 0.00% | +100.0% |
| Q3 2014 | $365,000 | -91.0% | 11,803 | -90.6% | 0.00% | -90.5% |
| Q2 2014 | $4,048,000 | +111.7% | 124,965 | +87.5% | 0.02% | +75.0% |
| Q1 2014 | $1,912,000 | -62.1% | 66,632 | -57.7% | 0.01% | -55.6% |
| Q4 2013 | $5,039,000 | – | 157,384 | – | 0.03% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NORTHERN TRUST CO OF CONNECTICUT | 232,393 | $7,441,000 | 0.05% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 157,384 | $5,039,000 | 0.03% |