Portolan Capital Management - STAMPS COM INC ownership

STAMPS COM INC's ticker is STMP and the CUSIP is 852857200. A total of 267 filers reported holding STAMPS COM INC in Q1 2021. The put-call ratio across all filers is 1.89 and the average weighting 0.2%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of STAMPS COM INC
ValueSharesWeighting
Q1 2021$4,219,000
-78.5%
21,147
-78.9%
0.33%
-81.5%
Q4 2020$19,642,000
+99.7%
100,115
+145.2%
1.78%
+60.4%
Q3 2020$9,837,000
+2334.9%
40,826
+722.1%
1.11%
+2550.0%
Q1 2019$404,000
-97.3%
4,966
-94.7%
0.04%
-97.7%
Q4 2018$14,716,000
-21.1%
94,553
+14.7%
1.82%
-0.8%
Q3 2018$18,641,000
+0.7%
82,408
+12.7%
1.84%
-2.7%
Q2 2018$18,510,000
+4.2%
73,149
-17.2%
1.89%
-2.9%
Q1 2018$17,767,000
+68.3%
88,371
+57.4%
1.95%
+68.3%
Q4 2017$10,557,000
+170.7%
56,152
+191.8%
1.16%
+148.6%
Q3 2017$3,900,000
-58.4%
19,243
-68.2%
0.46%
-61.3%
Q2 2017$9,375,000
-54.1%
60,530
-64.9%
1.20%
-54.6%
Q1 2017$20,409,000
-28.6%
172,448
-30.9%
2.65%
-31.1%
Q4 2016$28,598,000
+30.8%
249,436
+7.8%
3.85%
+28.3%
Q3 2016$21,858,000
-19.3%
231,281
-25.3%
3.00%
-23.1%
Q2 2016$27,078,000
+18.0%
309,742
+43.5%
3.90%
+27.0%
Q1 2016$22,938,000
-17.3%
215,830
-14.7%
3.07%
-12.7%
Q4 2015$27,746,000
+89.1%
253,135
+27.7%
3.52%
+80.9%
Q3 2015$14,673,000
+298.6%
198,252
+296.2%
1.94%
+277.5%
Q2 2015$3,681,000
+172.5%
50,039
+149.2%
0.52%
+107.7%
Q1 2015$1,351,000
+11.4%
20,079
-20.6%
0.25%
+2.1%
Q4 2014$1,213,000
-51.3%
25,274
-67.8%
0.24%
-57.1%
Q3 2014$2,491,000
-64.7%
78,424
-62.6%
0.57%
-63.3%
Q2 2014$7,061,000
-1.7%
209,599
-2.1%
1.54%
-6.8%
Q1 2014$7,185,000
+1317.2%
214,080
+1677.9%
1.65%
+1376.8%
Q4 2013$507,000
-72.9%
12,041
-70.5%
0.11%
-77.2%
Q3 2013$1,874,000
-12.8%
40,801
-25.2%
0.49%
-19.8%
Q2 2013$2,149,00054,5470.61%
Other shareholders

There were no reported owners of STAMPS COM INC in Q1 2021.

NameSharesValueWeighting ↓
View complete list of STAMPS COM INC shareholders