| 18.41 Data as of May 17 |  +0.30 / +1.66%Today’s Change | 15.39 Today|||52-Week Range 25.79 | +9.59% Year-to-Date |
| Mutual fund holders | 42.39% |
| Other institutional | 30.55% |
| Individual stakeholders | 12.87% |
| 3/31/2013 | CHARTWELL INVESTMENT PARTNERS LP Bought 787.4 Thousand shares of Luminex Corp |
| 3/31/2013 | ST. DENIS J. VILLERE & CO. LLC Bought 478.6 Thousand shares of Luminex Corp |
| 3/31/2013 | CHAMPLAIN INVESTMENT PARTNERS LL... Bought 226.8 Thousand shares of Luminex Corp |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| St. Denis J. Villere & Co. LLC | 10.90% | 4,533,280 | 75,388,446 | +478,600 | +11.80% |
| BlackRock Fund Advisors | 8.09% | 3,364,077 | 55,944,601 | +220,486 | +7.01% |
| PRIMECAP Management Co. | 5.99% | 2,490,480 | 41,416,682 | -52,812 | -2.08% |
| The Vanguard Group, Inc. | 5.39% | 2,240,014 | 37,251,433 | -11,858 | -0.53% |
| Kalmar Investments, Inc. | 4.04% | 1,679,884 | 27,936,471 | +1,815 | +0.11% |
| Champlain Investment Partners LLC | 4.04% | 1,678,865 | 27,919,525 | +226,820 | +15.62% |
| Capital Research & Management Co.... | 3.42% | 1,421,071 | 23,632,411 | -255,526 | -15.24% |
| IronBridge Capital Management LP | 2.33% | 969,658 | 16,125,413 | -12,579 | -1.28% |
| SSgA Funds Management, Inc. | 1.93% | 801,712 | 13,332,471 | +22,353 | +2.87% |
| Chartwell Investment Partners LP | 1.89% | 787,412 | 13,094,662 | +787,412 | -- |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Vanguard Explorer Fund | 4.53% | 1,884,600 | 31,340,898 | +514,010 | +37.50% |
| American Funds Small Cap World Fu... | 3.31% | 1,375,000 | 22,866,250 | -105,194 | -7.11% |
| PRIMECAP Odyssey Aggressive Growt... | 2.24% | 929,838 | 15,463,206 | +101,000 | +12.19% |
| Pictet - Biotech | 2.07% | 862,280 | 14,339,716 | -1,021,726 | -54.23% |
| Government Pension Fund - Global ... | 1.82% | 755,244 | 12,559,708 | +423,191 | +127.45% |
| iShares Core S&P Small Cap ETF | 1.59% | 660,101 | 10,977,480 | +14,500 | +2.25% |
| iShares Russell 2000 Index Fund | 1.58% | 657,030 | 10,926,409 | -14,971 | -2.23% |
| Vanguard Small Cap Index Fund | 1.51% | 628,455 | 10,451,207 | +21,638 | +3.57% |
| ClearBridge Small Cap Growth Fund | 1.42% | 588,810 | 9,791,910 | +107,820 | +22.42% |
| Vanguard Investment Series Plc - ... | 1.32% | 548,650 | 9,124,050 | -52,600 | -8.75% |
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