Calamos Advisors LLC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is MACKXXXX and the CUSIP is 590328100. A total of 94 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q4 2013. The put-call ratio across all filers is 0.34 and the average weighting 0.0%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q3 2013$220,00057,9000.00%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q4 2013
NameSharesValueWeighting ↓
Lagoda Investment Management, L.P. 2,244,080$12,096,0004.51%
ALTFEST L J & CO INC 39,491$1,653,0001.15%
GARRISON BRADFORD & ASSOCIATES INC 82,700$446,0000.44%
WESTFIELD CAPITAL MANAGEMENT CO LP 9,074,557$48,912,0000.40%
Virtus ETF Advisers LLC 87,477$472,0000.35%
Cannell & Co. 1,614,678$8,703,0000.32%
Birchview Capital, LP 44,000$237,0000.17%
STONERIDGE INVESTMENT PARTNERS LLC 180,534$973,0000.14%
HighPoint Advisor Group LLC 8,484$344,0000.12%
MARINER INVESTMENT GROUP LLC 63,090$340,0000.12%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders