Granahan Investment Management’s Cytosorbents Corp CTSO Stock Holding History

Granahan Investment Management’s Portfolio CTSO Stock Details CTSO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-358,418	Closed	-$358K	–	160
2025 Q1	$358K	Sell	358,418 -846,162	-70%	-$846K	0.02%	152
2024 Q4	$1.1M	Sell	1,204,580 -890,302	-42%	-$810K	0.05%	157
2024 Q3	$3.14M	Sell	2,094,882 -568,929	-21%	-$853K	0.12%	151
2024 Q2	$1.87M	Sell	2,663,811 -381,022	-13%	-$268K	0.07%	159
2024 Q1	$2.89M	Sell	3,044,833 -573,310	-16%	-$545K	0.1%	151
2023 Q4	$4.02M	Buy	3,618,143 +2,065,750	+133%	+$2.29M	0.13%	147
2023 Q3	$2.92M	Sell	1,552,393 -64,194	-4%	-$121K	0.1%	148
2023 Q2	$5.8M	Buy	1,616,587 +49,047	+3%	+$176K	0.18%	126
2023 Q1	$5.28M	Sell	1,567,540 -26,171	-2%	-$88.2K	0.16%	124
2022 Q4	$2.47M	Buy	1,593,711 +82,682	+5%	+$128K	0.08%	156
2022 Q3	$2.06M	Buy	1,511,029 +127,015	+9%	+$173K	0.07%	158
2022 Q2	$3.03M	Buy	1,384,014 +168,086	+14%	+$368K	0.1%	146
2022 Q1	$3.88M	Buy	1,215,928 +110,321	+10%	+$352K	0.1%	144
2021 Q4	$4.63M	Sell	1,105,607 -48,954	-4%	-$205K	0.1%	153
2021 Q3	$9.38M	Buy	1,154,561 +151,015	+15%	+$1.23M	0.18%	117
2021 Q2	$7.58M	Buy	1,003,546 +91,392	+10%	+$690K	0.14%	132
2021 Q1	$7.92M	Buy	912,154 +104,455	+13%	+$907K	0.17%	107
2020 Q4	$6.44M	Buy	807,699 +175,664	+28%	+$1.4M	0.14%	118
2020 Q3	$5.04M	Buy	632,035 +42,552	+7%	+$339K	0.17%	106
2020 Q2	$5.84M	Sell	589,483 -101,647	-15%	-$1.01M	0.21%	100
2020 Q1	$5.34M	Buy	691,130 +12,512	+2%	+$96.7K	0.29%	87
2019 Q4	$2.61M	Buy	678,618 +13,914	+2%	+$53.6K	0.12%	127
2019 Q3	$3.34M	Buy	664,704 +268,829	+68%	+$1.35M	0.18%	110
2019 Q2	$2.62M	Buy	395,875 +70,223	+22%	+$464K	0.13%	123
2019 Q1	$2.47M	Buy	325,652 +47,482	+17%	+$359K	0.13%	137
2018 Q4	$2.25M	Buy	278,170 +90,870	+49%	+$734K	0.16%	124
2018 Q3	$2.42M	Buy	+187,300	New	+$2.42M	0.13%	141