Parallax Volatility Advisers’s Stamps.com, Inc. STMP Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q2	–	Sell	-120,000	Closed	-$23.9M	–	1871
2021 Q1	$23.9M	Buy	120,000 +1,800	+2%	+$384K	0.05%	245
2020 Q4	$23.2M	Buy	118,200 +109,300	+1,228%	+$24M	0.02%	487
2020 Q3	$2.14M	Sell	8,900 -10,000	-53%	-$2.39M	﹤0.01%	1675
2020 Q2	$3.47M	Buy	18,900 +6,600	+54%	+$1.13M	﹤0.01%	1232
2020 Q1	$1.6M	Sell	12,300 -7,700	-39%	-$807K	﹤0.01%	1318
2019 Q4	$1.67M	Buy	+20,000	New	+$1.67M	﹤0.01%	1334
2019 Q3	–	Sell	-73,800	Closed	-$3.34M	–	4020
2019 Q2	$3.34M	Buy	73,800 +71,600	+3,255%	+$4.1M	﹤0.01%	877
2019 Q1	$179K	Buy	+2,200	New	+$310K	﹤0.01%	1930
2017 Q4	–	Sell	-131,200	Closed	-$26.6M	–	5516
2017 Q3	$26.6M	Buy	+131,200	New	+$24.1M	0.04%	214
2016 Q4	–	Sell	-1,600	Closed	-$151K	–	4937
2016 Q3	$151K	Sell	1,600 -5,800	-78%	-$503K	﹤0.01%	1952
2016 Q2	$647K	Buy	7,400 +1,200	+19%	+$107K	﹤0.01%	1358
2016 Q1	$660K	Buy	6,200 +4,100	+195%	+$419K	﹤0.01%	1345
2015 Q4	$231K	Buy	2,100 +2,000	+2,000%	+$183K	﹤0.01%	1836
2015 Q3	$7K	Hold	100	–	–	﹤0.01%	2622
2015 Q2	$7K	Sell	100 -200	-67%	-$13.7K	﹤0.01%	3269
2015 Q1	$20K	Sell	300 -4,000	-93%	-$213K	﹤0.01%	3622
2014 Q4	$206K	Buy	4,300 +2,400	+126%	+$100K	﹤0.01%	2819
2014 Q3	$60K	Sell	1,900 -4,500	-70%	-$149K	﹤0.01%	3210
2014 Q2	$216K	Buy	6,400 +4,200	+191%	+$137K	﹤0.01%	1933
2014 Q1	$73K	Buy	2,200 +600	+38%	+$22.6K	﹤0.01%	2075
2013 Q4	$68K	Sell	1,600 -1,700	-52%	-$76.1K	﹤0.01%	2062
2013 Q3	$152K	Buy	3,300 +600	+22%	+$25.1K	﹤0.01%	1240
2013 Q2	$107K	Buy	+2,700	New	+$90.2K	﹤0.01%	1259