NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 327 filers reported holding NATIONAL INSTRS CORP in Q4 2018. The put-call ratio across all filers is 3.13 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $2,968,000 | +30.9% | 70,100 | +29.8% | 0.15% | +29.2% |
| Q3 2019 | $2,267,000 | +582.8% | 54,000 | +583.5% | 0.11% | +494.7% |
| Q2 2019 | $332,000 | -69.8% | 7,900 | -68.1% | 0.02% | -71.2% |
| Q1 2019 | $1,100,000 | -70.7% | 24,800 | -70.0% | 0.07% | -72.7% |
| Q4 2018 | $3,757,000 | +347.3% | 82,800 | +375.9% | 0.24% | +536.8% |
| Q3 2018 | $840,000 | -39.4% | 17,400 | -47.7% | 0.04% | -37.7% |
| Q4 2017 | $1,386,000 | +407.7% | 33,300 | +296.4% | 0.06% | +369.2% |
| Q1 2017 | $273,000 | +20.3% | 8,400 | +1.3% | 0.01% | +18.2% |
| Q2 2016 | $227,000 | -79.6% | 8,289 | -76.1% | 0.01% | -71.1% |
| Q1 2015 | $1,112,000 | +55.1% | 34,733 | +50.5% | 0.04% | +40.7% |
| Q4 2014 | $717,000 | +18.9% | 23,077 | +18.3% | 0.03% | -3.6% |
| Q3 2014 | $603,000 | -9.6% | 19,515 | -5.2% | 0.03% | -20.0% |
| Q2 2014 | $667,000 | -32.0% | 20,593 | -32.8% | 0.04% | -32.7% |
| Q4 2013 | $981,000 | – | 30,646 | – | 0.05% | – |
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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% |