| 6.93 Data as of May 24 |  -0.04 / -0.57%Today’s Change | 4.00 Today|||52-Week Range 7.83 | +44.07% Year-to-Date |
| Other institutional | 8.27% |
| Individual stakeholders | 52.88% |
| Mutual fund holders | 5.90% |
| 3/31/2013 | SSGA FUNDS MANAGEMENT, INC. Bought 1.0 Million shares of OPKO Health Inc |
| 3/31/2013 | DIMENSIONAL FUND ADVISORS, INC. Bought 812.9 Thousand shares of OPKO Health Inc |
| 3/31/2013 | MORGAN STANLEY SMITH BARNEY LLC ... Bought 683.1 Thousand shares of OPKO Health Inc |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| The Vanguard Group, Inc. | 2.29% | 7,695,191 | 51,249,972 | -342,965 | -4.27% |
| Aletheia Research & Management, I... | 2.00% | 6,726,683 | 44,799,709 | -2,893,194 | -30.08% |
| BlackRock Fund Advisors | 1.76% | 5,912,868 | 39,379,701 | +137,022 | +2.37% |
| Oracle Investment Management, Inc... | 1.50% | 5,057,292 | 33,681,565 | 0 | 0.00% |
| SSgA Funds Management, Inc. | 1.27% | 4,280,829 | 28,510,321 | +1,024,675 | +31.47% |
| Fidelity Management & Research Co... | 0.64% | 2,153,800 | 14,344,308 | -8,800 | -0.41% |
| Northern Trust Investments, Inc. | 0.52% | 1,763,408 | 11,744,297 | -5,748 | -0.32% |
| Morgan Stanley Smith Barney LLC (... | 0.37% | 1,237,972 | 8,244,894 | +683,093 | +123.11% |
| Dimensional Fund Advisors, Inc. | 0.24% | 812,853 | 5,413,601 | +812,853 | -- |
| Weiss Multi-Strategy Advisers LLC | 0.18% | 616,000 | 4,102,560 | +146,000 | +31.06% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| SPDR S&P Biotech ETF | 0.72% | 2,412,163 | 16,065,006 | +61,545 | +2.62% |
| Vanguard Total Stock Market Index... | 0.62% | 2,076,169 | 13,827,286 | +103,110 | +5.23% |
| Fidelity Select Biotechnology Por... | 0.59% | 1,994,800 | 13,285,368 | -17,400 | -0.86% |
| Vanguard Small Cap Index Fund | 0.54% | 1,809,935 | 12,054,167 | -662,017 | -26.78% |
| Vanguard Small Cap Growth Index F... | 0.53% | 1,792,727 | 11,939,562 | +50,715 | +2.91% |
| iShares Russell 2000 Index Fund | 0.50% | 1,682,890 | 11,208,047 | -34,649 | -2.02% |
| Vanguard Extended Market Index Fu... | 0.38% | 1,276,487 | 8,501,403 | +133,060 | +11.64% |
| iShares Russell 2000 Growth Index... | 0.22% | 734,414 | 4,891,197 | -52,274 | -6.64% |
| PowerShares Dynamic Biotechnology... | 0.16% | 531,260 | 3,538,192 | 0 | 0.00% |
| Rydex Biotechnology Fund | 0.14% | 485,500 | 3,233,430 | +50,000 | +11.48% |
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