ESSEX INVESTMENT MANAGEMENT CO LLC - IRIDEX CORP ownership

IRIDEX CORP's ticker is IRIX and the CUSIP is 462684101. A total of 33 filers reported holding IRIDEX CORP in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of IRIDEX CORP
ValueSharesWeighting
Q2 2022$215,000
-84.9%
83,528
-72.8%
0.04%
-80.2%
Q1 2022$1,421,000
+5.8%
306,993
+39.7%
0.18%
+14.9%
Q4 2021$1,343,000
-13.7%
219,753
+8.2%
0.15%
-19.4%
Q3 2021$1,556,000
+7.8%
203,181
-0.6%
0.19%
+13.7%
Q2 2021$1,444,000
+160.6%
204,484
+67.9%
0.17%
+121.1%
Q2 2019$554,000
+71.0%
121,803
+71.2%
0.08%
+58.3%
Q1 2019$324,000
-47.1%
71,158
-45.3%
0.05%0.0%
Q4 2018$612,000
-20.2%
130,126
+40.1%
0.05%
-58.6%
Q2 2015$767,000
-24.3%
92,912
-2.1%
0.12%
-18.3%
Q1 2015$1,013,000
+23.2%
94,866
-0.7%
0.14%
+18.3%
Q4 2014$822,000
+6.1%
95,575
-13.7%
0.12%
+0.8%
Q3 2014$775,000
-20.8%
110,686
-6.1%
0.12%
-17.4%
Q2 2014$979,000
-22.5%
117,819
-16.8%
0.14%
-21.7%
Q1 2014$1,264,000
-44.2%
141,532
-36.5%
0.18%
-42.5%
Q4 2013$2,265,000
+218.1%
222,727
+85.5%
0.32%
+196.3%
Q3 2013$712,000
-7.9%
120,044
-8.2%
0.11%
-20.6%
Q2 2013$773,000130,7120.14%
Other shareholders
IRIDEX CORP shareholders Q2 2015
NameSharesValueWeighting ↓
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE 497,337$3,039,0004.86%
PERKINS CAPITAL MANAGEMENT INC 63,746$389,0000.26%
ISTHMUS PARTNERS, LLC 215,101$1,314,0000.22%
ESSEX INVESTMENT MANAGEMENT CO LLC 219,753$1,343,0000.15%
Long Focus Capital Management, LLC 100,000$611,0000.08%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 319,400$1,952,0000.04%
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 110,024$672,0000.04%
StoneX Group Inc. 21,400$131,0000.02%
Conservest Capital Advisors, Inc. 10,268$63,0000.01%
Renaissance Technologies 563,160$3,441,0000.00%
View complete list of IRIDEX CORP shareholders