SIMPLEX TRADING, LLC - RESEARCH FRONTIERS INC ownership

RESEARCH FRONTIERS INC's ticker is REFR and the CUSIP is 760911107. A total of 36 filers reported holding RESEARCH FRONTIERS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of RESEARCH FRONTIERS INC
ValueSharesWeighting
Q3 2023$095
-5.0%
0.00%
Q2 2023$0100
-99.3%
0.00%
Q1 2021$0
-100.0%
15,113
-4.1%
0.00%
Q4 2020$44,000
+4.8%
15,752
+1.1%
0.00%
Q3 2020$42,000
-28.8%
15,577
+6.2%
0.00%
Q2 2020$59,000
+90.3%
14,670
+7.7%
0.00%
Q1 2020$31,000
-56.9%
13,624
-43.2%
0.00%
Q4 2019$72,000
+132.3%
23,975
+146.6%
0.00%
Q3 2019$31,000
+1450.0%
9,721
+1498.8%
0.00%
Q2 2019$2,0000.0%608
-49.1%
0.00%
Q1 2019$2,0001,195
+6538.9%
0.00%
Q3 2018$018
-72.3%
0.00%
Q3 2017$0
-100.0%
65
-99.5%
0.00%
-100.0%
Q3 2015$72,00014,2950.01%
Other shareholders
RESEARCH FRONTIERS INC shareholders Q3 2015
NameSharesValueWeighting ↓
GOLDMAN CAPITAL MANAGEMENT INC 1,748,689$9,111,0007.08%
SHUFRO ROSE & CO LLC 204,950$1,067,0000.12%
OUTFITTER ADVISORS, LTD. 36,000$188,0000.08%
Granite Investment Partners, LLC 154,205$804,0000.07%
CONNORS INVESTOR SERVICES INC 62,947$328,0000.07%
Integrated Wealth Management 10,900$57,0000.02%
Prospera Financial Services Inc 14,100$73,0000.02%
Joel Isaacson & Co., LLC 6,850$36,0000.01%
STEPHENS INC /AR/ 20,000$104,0000.01%
Homrich & Berg 10,000$52,0000.01%
View complete list of RESEARCH FRONTIERS INC shareholders