NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 219 filers reported holding NATIONAL INSTRS CORP in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $588,000 | -88.6% | 19,974 | -87.5% | 0.04% | -87.7% |
| Q1 2015 | $5,140,000 | -20.8% | 160,428 | -23.1% | 0.31% | -21.5% |
| Q4 2014 | $6,490,000 | +2.4% | 208,750 | +1.9% | 0.40% | +2.1% |
| Q3 2014 | $6,337,000 | -33.3% | 204,868 | -30.1% | 0.39% | -35.5% |
| Q2 2014 | $9,495,000 | +11.3% | 293,140 | -1.4% | 0.60% | +2.2% |
| Q1 2014 | $8,529,000 | -4.1% | 297,287 | +7.0% | 0.59% | -4.9% |
| Q4 2013 | $8,897,000 | +4.5% | 277,843 | +1.0% | 0.62% | +1.0% |
| Q3 2013 | $8,510,000 | +11.7% | 275,142 | +0.9% | 0.61% | +5.9% |
| Q2 2013 | $7,619,000 | – | 272,699 | – | 0.58% | – |
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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% |