| 5.27 |  -0.01 / -0.19% |
Data as of 4:00pm ET | Day’s Change |
| 5.27 |  0.00 / 0.00% |
Volume: 8,000.00 |
| Individual stakeholders | 6.70% |
| Mutual fund holders | 26.21% |
| Other institutional | 17.52% |
| 3/31/2013 | JENNISON ASSOCIATES LLC Bought 1.3 Million shares of Merrimack Pharmaceuticals... |
| 3/31/2013 | ALLIANZ GLOBAL INVESTORS U.S. LL... Bought 616.4 Thousand shares of Merrimack Pharmaceuticals... |
| 3/31/2013 | OPPENHEIMERFUNDS, INC. Bought 594.0 Thousand shares of Merrimack Pharmaceuticals... |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Fidelity Management & Research Co... | 16.56% | 15,901,878 | 78,237,240 | 0 | 0.00% |
| Credit Suisse Securities (USA) LL... | 5.29% | 5,075,486 | 24,971,391 | -21,964 | -0.43% |
| The Vanguard Group, Inc. | 3.70% | 3,554,979 | 17,490,497 | +68,440 | +1.96% |
| Jennison Associates LLC | 3.20% | 3,070,054 | 15,104,666 | +1,290,118 | +72.48% |
| BlackRock Fund Advisors | 1.93% | 1,849,145 | 9,097,793 | +437,706 | +31.01% |
| Merrill Lynch, Pierce, Fenner & S... | 1.55% | 1,492,289 | 7,342,062 | -55,602 | -3.59% |
| Senrigan Capital Group Ltd. | 1.49% | 1,428,571 | 7,028,569 | 0 | 0.00% |
| Farallon Capital Management LLC | 1.11% | 1,067,538 | 5,252,287 | 0 | 0.00% |
| Fred Alger Management, Inc. | 1.09% | 1,043,289 | 5,132,982 | -288,585 | -21.67% |
| The Bank of New York Mellon Corp.... | 0.81% | 773,861 | 3,807,396 | -505 | -0.07% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Fidelity Growth Company Fund | 6.70% | 6,432,444 | 31,647,624 | 0 | 0.00% |
| Fidelity Blue Chip Growth Fund | 2.51% | 2,407,858 | 11,846,661 | 0 | 0.00% |
| Prudential Jennison Health Scienc... | 2.10% | 2,017,568 | 9,926,435 | +707,586 | +54.01% |
| Fidelity Contrafund | 2.06% | 1,976,031 | 9,722,073 | 0 | 0.00% |
| Vanguard Small Cap Index Fund | 1.38% | 1,324,613 | 6,517,096 | +1,324,613 | -- |
| Vanguard Total Stock Market Index... | 1.09% | 1,049,716 | 5,164,603 | +1,049,716 | -- |
| iShares Nasdaq Biotechnology Inde... | 0.99% | 950,352 | 4,675,732 | +71,006 | +8.07% |
| Vanguard Small Cap Growth Index F... | 0.97% | 930,928 | 4,580,166 | +930,928 | -- |
| Fidelity Puritan Fund | 0.77% | 740,294 | 3,642,246 | 0 | 0.00% |
| Fidelity Series Small Cap Opportu... | 0.72% | 694,410 | 3,416,497 | +40,600 | +6.21% |
.
