| 29.38 Data as of May 24 |  -0.33 / -1.11%Today’s Change | 24.15 Today|||52-Week Range 30.82 | +13.35% Year-to-Date |
| Individual stakeholders | 3.00% |
| Other institutional | 29.12% |
| Mutual fund holders | 16.71% |
| 3/31/2013 | BLACKROCK ADVISORS (UK) LTD. Bought 101.0 Thousand shares of Unitil Corp |
| 3/31/2013 | BLACKROCK FUND ADVISORS Bought 70.7 Thousand shares of Unitil Corp |
| 3/31/2013 | MONARCH PARTNERS ASSET MANAGEMEN... Bought 47.1 Thousand shares of Unitil Corp |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| BlackRock Fund Advisors | 7.02% | 969,841 | 29,395,881 | +70,737 | +7.87% |
| Nuveen Asset Management LLC | 4.21% | 580,796 | 17,603,927 | -21,758 | -3.61% |
| The Vanguard Group, Inc. | 3.12% | 430,647 | 13,052,911 | -264,142 | -38.02% |
| Russell Investment Management Co. | 2.51% | 346,144 | 10,491,625 | -11,647 | -3.26% |
| Pyramis Global Advisors LLC | 2.14% | 296,040 | 8,972,972 | +3,740 | +1.28% |
| Dimensional Fund Advisors, Inc. | 2.03% | 280,773 | 8,510,230 | +6,627 | +2.42% |
| SSgA Funds Management, Inc. | 1.92% | 264,572 | 8,019,177 | +3,431 | +1.31% |
| Kennedy Capital Management, Inc. | 1.72% | 237,641 | 7,202,899 | -1,310 | -0.55% |
| Northern Trust Investments, Inc. | 1.52% | 210,433 | 6,378,224 | -16,072 | -7.10% |
| Frontier Capital Management Co. L... | 1.42% | 195,730 | 5,932,576 | +11,735 | +6.38% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| iShares Russell 2000 Index Fund | 1.56% | 215,791 | 6,540,625 | -6,243 | -2.81% |
| Nuveen Global Infrastructure Fund | 1.30% | 179,704 | 5,446,828 | -14,743 | -7.58% |
| Vanguard Total Stock Market Index... | 1.28% | 176,194 | 5,340,440 | +8,200 | +4.88% |
| Russell Global Infrastructure Fun... | 1.00% | 138,081 | 4,185,235 | -14,627 | -9.58% |
| Vanguard Extended Market Index Fu... | 0.80% | 110,229 | 3,341,041 | +7,154 | +6.94% |
| iShares Russell 2000 Value Index ... | 0.77% | 105,605 | 3,200,888 | +4,165 | +4.11% |
| Wells Fargo Advantage Utility & T... | 0.72% | 100,000 | 3,031,000 | 0 | 0.00% |
| DFA US Micro Cap Portfolio | 0.66% | 90,469 | 2,742,115 | +978 | +1.09% |
| DFA US Small Cap Portfolio | 0.46% | 63,646 | 1,929,110 | +2,551 | +4.18% |
| RBC Enterprise Fund | 0.40% | 55,800 | 1,691,298 | 0 | 0.00% |
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