ESSEX INVESTMENT MANAGEMENT CO LLC - MATTSON TECHNOLOGY INC ownership

MATTSON TECHNOLOGY INC's ticker is MTSN and the CUSIP is 577223100. A total of 78 filers reported holding MATTSON TECHNOLOGY INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 1.7%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of MATTSON TECHNOLOGY INC
ValueSharesWeighting
Q3 2014$943,000
+6.0%
381,960
-6.1%
0.14%
+9.9%
Q2 2014$890,000
+3.6%
406,584
+9.8%
0.13%
+4.8%
Q1 2014$859,000
-5.7%
370,394
+11.4%
0.12%
-3.1%
Q4 2013$911,000332,5900.13%
Other shareholders
MATTSON TECHNOLOGY INC shareholders Q4 2014
NameSharesValueWeighting ↓
Mirador Capital Partners LP 1,185,635$4,055,000100.00%
Firsthand Capital Management, Inc. 3,780,000$12,663,0007.99%
Adirondack Research & Management Inc. 1,601,558$5,365,0001.97%
TANAKA CAPITAL MANAGEMENT INC 220,172$738,0001.83%
PARADIGM CAPITAL MANAGEMENT INC/NY 4,109,300$13,766,0001.42%
KEANE CAPITAL MANAGEMENT INC 386,022$1,293,174,0001.33%
Millrace Asset Group, Inc. 367,629$1,232,0001.29%
Hood River Capital Management LLC 2,059,435$6,899,0000.84%
GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 510,000$1,709,0000.46%
Senvest Management, LLC 1,951,296$6,537,0000.41%
View complete list of MATTSON TECHNOLOGY INC shareholders