NATUS MEDICAL INC DEL's ticker is and the CUSIP is 639050903. A total of 3 filers reported holding NATUS MEDICAL INC DEL in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $240,000 | -40.9% | 5,000 | -51.5% | 0.00% | – |
| Q3 2015 | $406,000 | -0.7% | 10,300 | +7.3% | 0.00% | – |
| Q2 2015 | $409,000 | +205.2% | 9,600 | +182.4% | 0.00% | – |
| Q1 2015 | $134,000 | -44.4% | 3,400 | -49.3% | 0.00% | – |
| Q4 2014 | $241,000 | +33.9% | 6,700 | +9.8% | 0.00% | – |
| Q3 2014 | $180,000 | +1284.6% | 6,100 | +1120.0% | 0.00% | – |
| Q2 2014 | $13,000 | -84.3% | 500 | -84.4% | 0.00% | – |
| Q1 2014 | $83,000 | – | 3,200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 100 | $3,000 | 0.00% |
| SIMPLEX TRADING, LLC | 2,900 | $95,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |