NATUS MEDICAL INC DEL's ticker is and the CUSIP is 639050953. A total of 1 filers reported holding NATUS MEDICAL INC DEL in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $94,000 | -21.7% | 5,500 | 0.0% | 0.00% | -100.0% |
| Q2 2020 | $120,000 | -58.6% | 5,500 | -51.3% | 0.00% | -66.7% |
| Q2 2019 | $290,000 | +1.0% | 11,300 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $287,000 | +241.7% | 11,300 | +413.6% | 0.00% | +200.0% |
| Q4 2017 | $84,000 | +180.0% | 2,200 | +175.0% | 0.00% | – |
| Q2 2017 | $30,000 | -3.2% | 800 | 0.0% | 0.00% | – |
| Q1 2017 | $31,000 | -50.8% | 800 | -55.6% | 0.00% | -100.0% |
| Q4 2016 | $63,000 | -79.1% | 1,800 | -77.5% | 0.00% | -75.0% |
| Q2 2016 | $302,000 | -4.1% | 8,000 | -2.4% | 0.00% | 0.0% |
| Q1 2016 | $315,000 | +443.1% | 8,200 | +583.3% | 0.00% | +300.0% |
| Q4 2015 | $58,000 | -92.4% | 1,200 | -93.8% | 0.00% | -90.9% |
| Q3 2015 | $765,000 | +101.8% | 19,400 | +118.0% | 0.01% | +120.0% |
| Q2 2015 | $379,000 | -36.0% | 8,900 | -40.7% | 0.01% | -44.4% |
| Q1 2015 | $592,000 | -57.2% | 15,000 | -60.9% | 0.01% | -57.1% |
| Q4 2014 | $1,384,000 | -41.9% | 38,400 | -52.4% | 0.02% | -43.2% |
| Q3 2014 | $2,381,000 | -16.4% | 80,700 | -28.8% | 0.04% | -15.9% |
| Q2 2014 | $2,848,000 | -42.3% | 113,300 | -40.7% | 0.04% | -47.0% |
| Q1 2014 | $4,933,000 | +3500.7% | 191,200 | +3034.4% | 0.08% | +4050.0% |
| Q4 2013 | $137,000 | +73.4% | 6,100 | +5.2% | 0.00% | 0.0% |
| Q2 2013 | $79,000 | – | 5,800 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 19,400 | $765,000 | 0.01% |
| Citadel Advisors | 4,700 | $185,000 | 0.00% |
| SIMPLEX TRADING, LLC | 7 | $2,000 | 0.00% |