NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 207 filers reported holding NATIONAL INSTRS CORP in Q1 2014. The put-call ratio across all filers is 0.63 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $1,986,000 | -38.6% | 44,765 | -37.2% | 0.41% | -3.1% |
| Q4 2018 | $3,233,000 | +1343.3% | 71,232 | +856.8% | 0.42% | +1264.5% |
| Q1 2016 | $224,000 | -67.5% | 7,445 | -65.4% | 0.03% | -88.5% |
| Q1 2015 | $689,000 | +7.2% | 21,513 | +4.1% | 0.27% | +0.4% |
| Q4 2014 | $643,000 | -53.7% | 20,674 | -52.4% | 0.27% | -51.4% |
| Q4 2013 | $1,390,000 | – | 43,419 | – | 0.55% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TIG Advisors, LLC | 4,755,304 | $272,954,450 | 15.27% |
| HARVEST MANAGEMENT LLC | 264,400 | $15,176,560 | 13.09% |
| PSquared Asset Management AG | 1,909,700 | $109,616,780 | 12.87% |
| Vazirani Asset Management LLC | 100,000 | $5,740,000 | 9.68% |
| Kellner Capital, LLC | 118,098 | $6,779 | 7.79% |
| BCK CAPITAL MANAGEMENT LP | 131,442 | $7,544,771 | 5.76% |
| KRYGER CAPITAL Ltd | 892,222 | $51,213,543 | 5.24% |
| WATER ISLAND CAPITAL LLC | 959,494 | $55,075 | 5.15% |
| Kopion Asset Management, LLC | 90,819 | $5,213 | 4.42% |
| CARLSON CAPITAL L P | 855,000 | $49,077,000 | 4.20% |