PROOFPOINT INC's ticker is and the CUSIP is 743424AB9. A total of 25 filers reported holding PROOFPOINT INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.6%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| WOLVERINE ASSET MANAGEMENT LLC | 34,249,000 | $65,515,000 | 1.02% |
| MACKAY SHIELDS LLC | 5,674,000 | $10,866,000 | 0.49% |
| Nicholas Investment Partners, LP | 2,985,000 | $5,709,000 | 0.40% |
| SSI INVESTMENT MANAGEMENT LLC | 1,750,000 | $3,347,000 | 0.31% |
| CAPSTONE INVESTMENT ADVISORS, LLC | 6,014,000 | $11,516,000 | 0.29% |
| Calamos Advisors LLC | 15,000,000 | $28,794,000 | 0.23% |
| Citadel Advisors | 98,685,000 | $188,887,000 | 0.17% |
| LORD, ABBETT & CO. LLC | 3,568,000 | $6,833,000 | 0.02% |
| WELLS FARGO & COMPANY/MN | 15,655,000 | $29,925,000 | 0.01% |
| LAZARD ASSET MANAGEMENT LLC | 2,500,000 | $4,787,000 | 0.01% |