Portolan Capital Management - NEWPORT CORP ownership

NEWPORT CORP's ticker is NEWP and the CUSIP is 651824104. A total of 140 filers reported holding NEWPORT CORP in Q1 2014. The put-call ratio across all filers is 0.67 and the average weighting 0.2%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of NEWPORT CORP
ValueSharesWeighting
Q4 2015$4,104,000
-29.0%
258,587
-38.5%
0.52%
-32.1%
Q3 2015$5,778,000
-9.4%
420,242
+24.9%
0.77%
-14.1%
Q2 2015$6,378,000
+48.6%
336,413
+49.4%
0.89%
+13.3%
Q1 2015$4,291,000
+58.7%
225,153
+72.3%
0.79%
+26.5%
Q1 2014$2,703,000130,7080.62%
Other shareholders
NEWPORT CORP shareholders Q1 2014
NameSharesValueWeighting ↓
Burren Capital Advisors Ltd 60,300$1,387,00010.27%
HARBER ASSET MANAGEMENT LLC 270,152$6,213,0003.63%
LONGFELLOW INVESTMENT MANAGEMENT CO LLC 370,000$8,510,0003.46%
HARVEST MANAGEMENT LLC 145,000$3,335,0003.14%
NEEDHAM INVESTMENT MANAGEMENT LLC 512,500$11,788,0003.07%
Kassirer Asset Management Corp 144,374$3,321,0002.93%
GARDNER LEWIS ASSET MANAGEMENT L P 633,794$14,577,0002.86%
First Trust Capital Management L.P. 127,170$2,924,910,0002.03%
WATER ISLAND CAPITAL LLC 2,596,978$59,732,0001.97%
TOWERVIEW LLC 100,000$2,300,0001.12%
View complete list of NEWPORT CORP shareholders