NATIONAL INSTRS CORP's ticker is and the CUSIP is 63651810. A total of 2 filers reported holding NATIONAL INSTRS CORP in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2013 | $7,441,000 | – | 232,393 | – | 0.05% | – |
Download | ||||||
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% |