| 4.39 Data as of 3:47pm ET |  +0.02 / +0.46%Today’s Change | 2.76 Today|||52-Week Range 4.45 | +20.60% Year-to-Date |
| Mutual fund holders | 8.70% |
| Individual stakeholders | 47.12% |
| Other institutional | 21.81% |
| 3/31/2013 | GAGNON SECURITIES LLC Bought 120.4 Thousand shares of NAPCO Security Technologi... |
| 3/31/2013 | UBS SECURITIES LLC Bought 9.8 Thousand shares of NAPCO Security Technologi... |
| 3/31/2013 | TOWER RESEARCH CAPITAL LLC Bought 2.1 Thousand shares of NAPCO Security Technologi... |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Alexander Capital Advisors LLC | 12.82% | 2,473,084 | 10,485,876 | +6,396 | +0.26% |
| Gagnon Securities LLC | 4.05% | 781,884 | 3,315,188 | +120,359 | +18.19% |
| Dimensional Fund Advisors, Inc. | 3.96% | 764,440 | 3,241,226 | -800 | -0.10% |
| The Vanguard Group, Inc. | 2.33% | 450,208 | 1,908,882 | 0 | 0.00% |
| BlackRock Fund Advisors | 1.69% | 325,781 | 1,381,311 | +1,304 | +0.40% |
| Perritt Capital Management, Inc. | 1.50% | 289,350 | 1,226,844 | +125 | +0.04% |
| Kennedy Capital Management, Inc. | 1.16% | 224,050 | 949,972 | -27,365 | -10.88% |
| Raffles Capital Management LLC | 1.13% | 217,186 | 920,869 | -29,541 | -11.97% |
| The Bank of New York Mellon Corp.... | 0.46% | 88,630 | 375,791 | 0 | 0.00% |
| The California Public Employees R... | 0.45% | 86,060 | 364,894 | 0 | 0.00% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| DFA US Micro Cap Portfolio | 1.59% | 307,597 | 1,304,211 | 0 | 0.00% |
| Vanguard Extended Market Index Fu... | 1.58% | 305,202 | 1,294,056 | 0 | 0.00% |
| Perritt Ultra Micro Cap Fund | 1.50% | 288,900 | 1,224,936 | 0 | 0.00% |
| Vanguard Total Stock Market Index... | 0.74% | 143,058 | 606,566 | 0 | 0.00% |
| DFA US Small Cap Value Portfolio | 0.22% | 42,075 | 178,398 | -1,216 | -2.81% |
| Clearwater Small Companies Fund | 0.22% | 41,800 | 177,232 | 0 | 0.00% |
| DFA Tax Managed US Small Cap Port... | 0.21% | 40,293 | 170,842 | 0 | 0.00% |
| DFA US Small Cap Portfolio | 0.18% | 34,854 | 147,781 | +20,107 | +136.35% |
| DFA US Targeted Value Portfolio | 0.17% | 33,409 | 141,654 | +8,809 | +35.81% |
| iShares Russell Micro Cap Index F... | 0.16% | 30,140 | 127,794 | +489 | +1.65% |
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