Walthausen & Co., LLC - NEOPHOTONICS CORP ownership

NEOPHOTONICS CORP's ticker is NPTN and the CUSIP is 64051T100. A total of 133 filers reported holding NEOPHOTONICS CORP in Q1 2019. The put-call ratio across all filers is 1.92 and the average weighting 0.1%.

Quarter-by-quarter ownership
Walthausen & Co., LLC ownership history of NEOPHOTONICS CORP
ValueSharesWeighting
Q1 2019$1,067,000
+21.5%
169,680
+25.2%
0.14%
+13.9%
Q4 2018$878,000
-33.8%
135,510
-15.2%
0.12%
-3.9%
Q3 2018$1,326,000159,7500.13%
Other shareholders
NEOPHOTONICS CORP shareholders Q1 2019
NameSharesValueWeighting ↓
BOARDMAN BAY CAPITAL MANAGEMENT LLC 603,999$5,261,0009.24%
Anqa Management LLC 823,000$7,168,0007.90%
AWM Investment Company, Inc. 1,920,722$16,729,0001.64%
NEEDHAM INVESTMENT MANAGEMENT LLC 1,147,500$9,994,0001.33%
PARADIGM CAPITAL MANAGEMENT INC/NY 2,300,000$20,033,0001.03%
WHITE PINE CAPITAL LLC 355,777$3,099,0000.95%
EMC Capital Management 139,957$1,416,0000.79%
BOARDMAN BAY CAPITAL MANAGEMENT LLC 30,000$261,0000.46%
MASTERS CAPITAL MANAGEMENT LLC 1,100,000$9,581,0000.40%
SYSTEMATIC FINANCIAL MANAGEMENT LP 1,183,932$10,312,0000.32%
View complete list of NEOPHOTONICS CORP shareholders