SIMPLEX TRADING, LLC - RESEARCH FRONTIERS INC ownership

RESEARCH FRONTIERS INC's ticker is REFR and the CUSIP is 760911107. A total of 58 filers reported holding RESEARCH FRONTIERS INC in Q1 2021. The put-call ratio across all filers is 0.41 and the average weighting 0.0%.

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 Q1 2021
NameSharesValueWeighting ↓
SHUFRO ROSE & CO LLC 162,750$457,0000.04%
GSA CAPITAL PARTNERS LLP 63,841$179,0000.03%
Virtu Financial LLC 33,449$94,0000.01%
Ranch Capital Advisors Inc. 4,700$13,0000.01%
Alpha Paradigm Partners, LLC 7,989$22,0000.01%
NorthRock Partners, LLC 30,000$84,0000.01%
Kingsview Wealth Management, LLC 32,776$92,0000.01%
MERCER GLOBAL ADVISORS INC /ADV 15,500$44,0000.00%
Homrich & Berg 10,000$28,0000.00%
Schonfeld Strategic Advisors LLC 29,900$84,0000.00%
View complete list of RESEARCH FRONTIERS INC shareholders