Verition Fund Management LLC - MERRIMACK PHARMACEUTICALS IN ownership

MERRIMACK PHARMACEUTICALS IN's ticker is and the CUSIP is 590328AA8. A total of 21 filers reported holding MERRIMACK PHARMACEUTICALS IN in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
Verition Fund Management LLC ownership history of MERRIMACK PHARMACEUTICALS IN
ValueSharesWeighting
Q4 2013$1,472,000
-44.2%
1,400,000
-51.7%
0.26%
-34.3%
Q3 2013$2,639,0002,900,0000.40%
Other shareholders
MERRIMACK PHARMACEUTICALS IN shareholders Q3 2013
NameSharesValueWeighting ↓
TFG Asset Management GP Ltd 16,490,000$25,947,00012.49%
SILVERBACK ASSET MANAGEMENT LLC 14,500,000$22,711,0002.37%
TANG CAPITAL MANAGEMENT LLC 3,500,000$5,259,0001.94%
ARISTEIA CAPITAL, L.L.C. 11,932,000$18,727,0000.95%
WOLVERINE ASSET MANAGEMENT LLC 12,600,000$19,576,0000.46%
Polar Capital LLP 3,120,000$4,965,0000.10%
Tekla Capital Management LLC 1,485,000$2,336,0000.08%
MIZUHO SECURITIES USA LLC 194,000$305,0000.08%
PALISADE CAPITAL MANAGEMENT, LP 1,410,000$2,206,0000.06%
LAZARD ASSET MANAGEMENT LLC 11,010,000$17,375,0000.04%
View complete list of MERRIMACK PHARMACEUTICALS IN shareholders