MEDIDATA SOLUTIONS INC's ticker is and the CUSIP is 58471AAB1. A total of 23 filers reported holding MEDIDATA SOLUTIONS INC in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.6%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $8,982,000 | -22.4% | 8,000,000 | -20.0% | 0.45% | -21.6% |
| Q4 2017 | $11,582,000 | +236.7% | 10,000,000 | +300.0% | 0.57% | +239.3% |
| Q3 2017 | $3,440,000 | -34.2% | 2,500,000 | -33.2% | 0.17% | -33.9% |
| Q2 2017 | $5,228,000 | +161.9% | 3,745,000 | +114.0% | 0.25% | +111.7% |
| Q1 2017 | $1,996,000 | – | 1,750,000 | – | 0.12% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| PIPER SANDLER & CO. | 11,164,000 | $15,386,000 | 10.42% |
| Weiss Asset Management LP | 12,213,000 | $16,781,000 | 1.66% |
| Verition Fund Management LLC | 4,015,000 | $5,597,000 | 0.34% |
| CAPSTONE INVESTMENT ADVISORS, LLC | 12,500,000 | $17,426,000 | 0.27% |
| Kohlberg Kravis Roberts & Co. L.P. | 7,828,000 | $10,756,000 | 0.12% |
| Calamos Advisors LLC | 11,100,000 | $15,417,000 | 0.09% |
| WEDBUSH SECURITIES INC | 3,000 | $417,000 | 0.05% |
| D. E. Shaw & Co., Inc. | 18,220,000 | $25,271,000 | 0.03% |
| ADVENT CAPITAL MANAGEMENT /DE/ | 617,000 | $856,000 | 0.02% |
| Citadel Advisors | 24,000,000 | $33,281,000 | 0.02% |