PROOFPOINT INC's ticker is PFPT and the CUSIP is 743424103. A total of 302 filers reported holding PROOFPOINT INC in Q4 2017. The put-call ratio across all filers is 1.67 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $16,000 | 0.0% | 181 | 0.0% | 0.00% | – |
| Q3 2017 | $16,000 | 0.0% | 181 | -4.2% | 0.00% | – |
| Q2 2017 | $16,000 | -40.7% | 189 | -48.4% | 0.00% | – |
| Q1 2017 | $27,000 | -12.9% | 366 | -17.2% | 0.00% | -100.0% |
| Q4 2016 | $31,000 | -11.4% | 442 | -6.6% | 0.00% | 0.0% |
| Q3 2016 | $35,000 | +16.7% | 473 | -1.5% | 0.00% | 0.0% |
| Q2 2016 | $30,000 | +900.0% | 480 | +921.3% | 0.00% | – |
| Q1 2016 | $3,000 | -25.0% | 47 | -14.5% | 0.00% | – |
| Q4 2015 | $4,000 | +33.3% | 55 | +5.8% | 0.00% | – |
| Q3 2015 | $3,000 | 0.0% | 52 | +8.3% | 0.00% | – |
| Q2 2015 | $3,000 | 0.0% | 48 | +2.1% | 0.00% | – |
| Q1 2015 | $3,000 | -25.0% | 47 | -38.2% | 0.00% | – |
| Q4 2014 | $4,000 | – | 76 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|