Granahan Investment Management, LLC Cytosorbents Corp Transaction History

Granahan Investment Management, LLC

$2.1 Billion
Q2 2025

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	SELL	$0.89 - $1.3 $753,084 - $1.1 Million	-846,162 Reduced 70.25%	358,418 $358,000
Q4 2024 Feb 14, 2025	SELL	$0.74 - $1.35 $658,823 - $1.2 Million	-890,302 Reduced 42.5%	1,204,580 $1.08 Million
Q3 2024 Nov 14, 2024	SELL	$0.7 - $1.55 $398,250 - $881,839	-568,929 Reduced 21.36%	2,094,882 $3.14 Million
Q2 2024 Aug 14, 2024	SELL	$0.7 - $1.01 $266,715 - $384,832	-381,022 Reduced 12.51%	2,663,811 $1.86 Million
Q1 2024 May 15, 2024	SELL	$0.86 - $1.07 $493,046 - $613,441	-573,310 Reduced 15.85%	3,044,833 $2.89 Million
Q4 2023 Feb 14, 2024	BUY	$1.08 - $1.94 $2.23 Million - $4.01 Million	2,065,750 Added 133.07%	3,618,143 $4.02 Million
Q3 2023 Nov 14, 2023	SELL	$1.86 - $4.03 $119,400 - $258,701	-64,194 Reduced 3.97%	1,552,393 $2.92 Million
Q2 2023 Aug 14, 2023	BUY	$2.37 - $3.65 $116,241 - $179,021	49,047 Added 3.13%	1,616,587 $5.8 Million
Q1 2023 May 15, 2023	SELL	$1.79 - $4.17 $46,846 - $109,133	-26,171 Reduced 1.64%	1,567,540 $5.28 Million
Q4 2022 Feb 14, 2023	BUY	$1.03 - $2.03 $85,162 - $167,844	82,682 Added 5.47%	1,593,711 $2.47 Million
Q3 2022 Nov 14, 2022	BUY	$1.2 - $2.46 $152,418 - $312,456	127,015 Added 9.18%	1,511,029 $2.06 Million
Q2 2022 Aug 15, 2022	BUY	$1.76 - $3.22 $295,831 - $541,236	168,086 Added 13.82%	1,384,014 $3.03 Million
Q1 2022 May 16, 2022	BUY	$2.88 - $4.23 $317,724 - $466,657	110,321 Added 9.98%	1,215,928 $3.88 Million
Q4 2021 Feb 14, 2022	SELL	$4.05 - $8.11 $198,263 - $397,016	-48,954 Reduced 4.24%	1,105,607 $4.63 Million
Q3 2021 Nov 15, 2021	BUY	$7.0 - $9.71 $1.06 Million - $1.47 Million	151,015 Added 15.05%	1,154,561 $9.38 Million
Q2 2021 Aug 16, 2021	BUY	$7.55 - $9.42 $690,009 - $860,912	91,392 Added 10.02%	1,003,546 $7.58 Million
Q1 2021 May 17, 2021	BUY	$8.23 - $11.48 $859,664 - $1.2 Million	104,455 Added 12.93%	912,154 $7.92 Million
Q4 2020 Feb 12, 2021	BUY	$7.65 - $8.98 $1.34 Million - $1.58 Million	175,664 Added 27.79%	807,699 $6.44 Million
Q3 2020 Nov 12, 2020	BUY	$7.37 - $11.54 $313,608 - $491,050	42,552 Added 7.22%	632,035 $5.04 Million
Q2 2020 Aug 14, 2020	SELL	$6.28 - $10.59 $638,343 - $1.08 Million	-101,647 Reduced 14.71%	589,483 $5.84 Million
Q1 2020 May 12, 2020	BUY	$3.77 - $7.73 $47,170 - $96,717	12,512 Added 1.84%	691,130 $5.34 Million
Q4 2019 Feb 14, 2020	BUY	$3.61 - $5.22 $50,229 - $72,631	13,914 Added 2.09%	678,618 $2.61 Million
Q3 2019 Nov 15, 2019	BUY	$4.33 - $7.63 $1.16 Million - $2.05 Million	268,829 Added 67.91%	664,704 $3.34 Million
Q2 2019 Aug 14, 2019	BUY	$5.92 - $7.78 $415,720 - $546,334	70,223 Added 21.56%	395,875 $2.62 Million
Q1 2019 May 14, 2019	BUY	$6.82 - $8.56 $323,827 - $406,445	47,482 Added 17.07%	325,652 $2.47 Million
Q4 2018 Feb 13, 2019	BUY	$7.05 - $12.64 $640,633 - $1.15 Million	90,870 Added 48.52%	278,170 $2.25 Million
Q3 2018 Nov 13, 2018	BUY	$10.95 - $14.8 $2.05 Million - $2.77 Million	187,300 New	187,300 $2.42 Million

Others Institutions Holding CTSO

# of Institutions

Shares Held

16.7M

Call Options Held

28.9K

Put Options Held

View Full List

About Cytosorbents Corp

Ticker CTSO
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 43,577,400
Market Cap $46.2M
Description
Cytosorbents Corporation engages in the research, development, and commercialization of medical devices with its blood purification technology platform incorporating a proprietary adsorbent and porous polymer technology. Its flagship product is CytoSorb, an extracorporeal cytokine filter for adjunctive therapy in the treatment of sepsis, adjunct...

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