A detailed history of Granahan Investment Management, LLC transactions in Cytosorbents Corp stock. As of the latest transaction made, Granahan Investment Management, LLC holds 3,044,833 shares of CTSO stock, worth $2.62 Million. This represents 0.1% of its overall portfolio holdings.

Number of Shares
3,044,833
Previous 3,618,143 15.85%
Holding current value
$2.62 Million
Previous $4.02 Million 27.99%
% of portfolio
0.1%
Previous 0.13%

Shares

23 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
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 - $1.63 $85,162 - $134,771
82,682 Added 5.47%
1,593,711 $2.47 Million
Q3 2022

Nov 14, 2022

BUY
$1.39 - $2.46 $176,550 - $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

About Cytosorbents Corp


  • Ticker CTSO
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 43,577,400
  • Market Cap $37.5M
  • 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...
More about CTSO
Track This Portfolio

Track Granahan Investment Management, LLC Portfolio

Follow Granahan Investment Management, LLC and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Granahan Investment Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Granahan Investment Management, LLC with notifications on news.