SIMPLEX TRADING, LLC - STAMPS COM INC ownership

STAMPS COM INC's ticker is STMP and the CUSIP is 852857200. A total of 312 filers reported holding STAMPS COM INC in Q2 2018. The put-call ratio across all filers is 1.10 and the average weighting 0.3%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of STAMPS COM INC
ValueSharesWeighting
Q3 2021$15,0000.0%750.0%0.00%
Q2 2021$15,000
-97.9%
75
-97.9%
0.00%
-100.0%
Q1 2021$711,0003,567
+97.7%
0.00%
Q4 2020$0
-100.0%
1,804
+1540.0%
0.00%
Q1 2020$14,000
-94.3%
110
-98.0%
0.00%
-100.0%
Q2 2019$245,000
-89.2%
5,417
-80.6%
0.00%
-83.3%
Q1 2019$2,274,000
+382.8%
27,933
+822.8%
0.01%
+500.0%
Q4 2018$471,000
-74.2%
3,027
-66.7%
0.00%
-98.8%
Q1 2018$1,829,000
+1161.4%
9,098
+1167.1%
0.08%
+1233.3%
Q3 2017$145,000
-63.4%
718
-79.2%
0.01%
-75.0%
Q4 2016$396,0003,4600.02%
Other shareholders
STAMPS COM INC shareholders Q2 2018
NameSharesValueWeighting ↓
Lyon Street Capital, LLC 164,084$18,812,0009.62%
P2 Capital Partners, LLC 591,175$67,778,0008.90%
Calixto Global Investors, LP 176,456$20,231,0006.91%
Prospect Capital Advisors, LLC 67,900$7,785,0005.50%
WEATHERBIE CAPITAL, LLC 369,298$42,340,0005.31%
Harvest Capital Strategies LLC 330,000$37,835,0005.15%
PRECEPT MANAGEMENT LLC 55,000$6,306,0004.68%
G2 Investment Partners Management LLC 74,207$8,508,0004.20%
Jericho Capital Asset Management L.P. 592,000$67,873,0004.16%
Portolan Capital Management 249,436$28,598,0003.85%
View complete list of STAMPS COM INC shareholders