NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 283 filers reported holding NATIONAL INSTRS CORP in Q4 2017. The put-call ratio across all filers is 0.45 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $998,000 | -58.6% | 23,983 | -58.1% | 0.02% | -62.8% |
| Q3 2017 | $2,412,000 | -11.1% | 57,201 | -15.2% | 0.04% | -25.9% |
| Q2 2017 | $2,712,000 | -69.1% | 67,431 | -75.0% | 0.06% | -70.1% |
| Q1 2017 | $8,781,000 | +61.7% | 269,671 | +53.0% | 0.19% | +17.6% |
| Q4 2016 | $5,432,000 | -49.0% | 176,247 | -53.0% | 0.16% | -58.3% |
| Q3 2016 | $10,642,000 | +798.8% | 374,725 | +767.5% | 0.40% | +518.8% |
| Q2 2016 | $1,184,000 | +64.4% | 43,197 | +80.6% | 0.06% | +42.2% |
| Q1 2016 | $720,000 | +5.7% | 23,912 | +0.6% | 0.04% | -15.1% |
| Q4 2015 | $681,000 | +189.8% | 23,759 | +181.1% | 0.05% | +43.2% |
| Q3 2015 | $235,000 | -56.9% | 8,453 | -54.3% | 0.04% | +68.2% |
| Q2 2015 | $545,000 | -68.6% | 18,490 | -65.8% | 0.02% | -68.1% |
| Q1 2015 | $1,734,000 | +17.2% | 54,142 | +13.8% | 0.07% | -9.2% |
| Q4 2014 | $1,479,000 | +43.9% | 47,560 | +43.1% | 0.08% | -5.0% |
| Q3 2014 | $1,028,000 | – | 33,227 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Securities, Inc. | 765,243 | $40,106,000 | 22.06% |
| Kite Lake Capital Management (UK) LLP | 295,500 | $15,487,155 | 16.56% |
| TIG Advisors, LLC | 3,753,431 | $196,717,319 | 14.44% |
| HARVEST MANAGEMENT LLC | 327,800 | $17,179,998 | 12.98% |
| GWM Asset Management Ltd | 103,700 | $5,434,917 | 11.02% |
| BCK CAPITAL MANAGEMENT LP | 222,064 | $11,638,374 | 10.12% |
| Kopion Asset Management, LLC | 180,940 | $9,483 | 8.25% |
| Nekton Capital Ltd. | 932,419 | $48,868,080 | 8.15% |
| AMH Equity Ltd | 111,900 | $5,864,679 | 6.72% |
| TOMS Capital Investment Management LP | 2,005,513 | $105,108,936 | 6.44% |