NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 309 filers reported holding NATIONAL INSTRS CORP in Q1 2021. The put-call ratio across all filers is 0.29 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $7,000 | -36.4% | 161 | -49.2% | 0.10% | -48.5% |
| Q3 2020 | $11,000 | -21.4% | 317 | -10.5% | 0.20% | -7.8% |
| Q2 2020 | $14,000 | -39.1% | 354 | -48.3% | 0.22% | -30.5% |
| Q1 2020 | $23,000 | +155.6% | 685 | +234.1% | 0.32% | +133.3% |
| Q4 2019 | $9,000 | – | 205 | – | 0.14% | – |
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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% |