On this page, we present all of the funds holding CTSO from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding CTSO, with a link to that fund's top holdings. The next columns indicate the amount of CTSO stock held by each of the funds holding CTSO, followed by the CTSO position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 52 funds holding CTSO within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Granahan Investment Management Inc. MA. For more details on the positions held by Granahan Investment Management Inc. MA (or by any of the other funds holding CTSO), click the fund name in the "Holder" column of the funds-holding-CTSO table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Granahan Investment Management Inc. MA	3,618,143	$4,016	12/31/2023
CTSO	3,618,143	$4,016	12/31/2023
Avenir Corp	3,051,402	$3,387	12/31/2023
CTSO	3,051,402	$3,387	12/31/2023
Skylands Capital LLC	2,875,552	$2,732	03/31/2024
CTSO	2,875,552	$2,732	03/31/2024
Vanguard Group Inc.	1,949,551	$2,164	12/31/2023
CTSO	1,949,551	$2,164	12/31/2023
Neuberger Berman Group LLC	1,801,799	$1,997	12/31/2023
CTSO	1,801,799	$1,997	12/31/2023
Sargent Investment Group LLC	1,308,747	$1,453	12/31/2023
CTSO	1,308,747	$1,453	12/31/2023
BlackRock Inc.	726,320	$806	12/31/2023
CTSO	726,320	$806	12/31/2023
CM Management LLC	415,000	$461	12/31/2023
CTSO	415,000	$461	12/31/2023
Geode Capital Management LLC	364,920	$405	12/31/2023
CTSO	364,920	$405	12/31/2023
Renaissance Technologies LLC	175,320	$195	12/31/2023
CTSO	175,320	$195	12/31/2023
CIBC Private Wealth Group LLC	172,649	$192	12/31/2023
CTSO	172,649	$192	12/31/2023
State Street Corp	151,093	$168	12/31/2023
CTSO	151,093	$168	12/31/2023
Morgan Stanley	119,978	$133	12/31/2023
CTSO	119,978	$133	12/31/2023
Advisor Group Holdings Inc.	112,710	$125	12/31/2023
CTSO	112,710	$125	12/31/2023
Northern Trust Corp	75,013	$83	12/31/2023
CTSO	75,013	$83	12/31/2023
Bank of America Corp DE	66,780	$74	12/31/2023
CTSO	66,780	$74	12/31/2023
Dimensional Fund Advisors LP	56,570	$63	12/31/2023
CTSO	56,570	$63	12/31/2023
Raymond James Financial Services Advisors Inc.	60,591	$58	03/31/2024
CTSO	60,591	$58	03/31/2024
Regal Investment Advisors LLC	45,824	$51	12/31/2023
CTSO	45,824	$51	12/31/2023
Stifel Financial Corp	45,000	$50	12/31/2023
CTSO	45,000	$50	12/31/2023
Millennium Management LLC	45,128	$50	12/31/2023
CTSO	45,128	$50	12/31/2023
Raymond James & Associates	50,000	$48	03/31/2024
CTSO	50,000	$48	03/31/2024
Texas Capital Bank Wealth Management Services Inc.	30,666	$34	12/31/2023
CTSO	30,666	$34	12/31/2023
Key Client Fiduciary Advisors LLC	34,557	$33	03/31/2024
CTSO	34,557	$33	03/31/2024
Chicago Partners Investment Group LLC	30,667	$27	03/31/2024
CTSO	30,667	$27	03/31/2024
Creative Planning	21,295	$24	12/31/2023
CTSO	21,295	$24	12/31/2023
Johnson Investment Counsel Inc.	19,971	$22	12/31/2023
CTSO	19,971	$22	12/31/2023
Virtu Financial LLC	20,215	$22	12/31/2023
CTSO	20,215	$22	12/31/2023
Seelaus Asset Management LLC	18,950	$18	03/31/2024
CTSO	18,950	$18	03/31/2024
Charles Schwab Investment Management Inc.	15,994	$18	12/31/2023
CTSO	15,994	$18	12/31/2023
Resources Investment Advisors LLC.	15,000	$17	12/31/2023
CTSO	15,000	$17	12/31/2023
Country Club Bank GFN	15,225	$14	03/31/2024
CTSO	15,225	$14	03/31/2024
Sei Investments Co.	10,401	$12	12/31/2023
CTSO	10,401	$12	12/31/2023
US Bancorp DE	10,000	$11	12/31/2023
CTSO	10,000	$11	12/31/2023
Bradley Foster & Sargent Inc. CT	10,000	$11	12/31/2023
CTSO	10,000	$11	12/31/2023
Tower Research Capital LLC TRC	6,155	$7	12/31/2023
CTSO	6,155	$7	12/31/2023
Bank of New York Mellon Corp	3,640	$3	03/31/2024
CTSO	3,640	$3	03/31/2024
Hexagon Capital Partners LLC	3,333	$3	03/31/2024
CTSO	3,333	$3	03/31/2024
UBS Group AG	2,961	$3	12/31/2023
CTSO	2,961	$3	12/31/2023
SOA Wealth Advisors LLC.	2,222	$2	03/31/2024
CTSO	2,222	$2	03/31/2024
Advisory Services Network LLC	2,200	$2	12/31/2023
CTSO	2,200	$2	12/31/2023
Simplex Trading LLC		$1	03/31/2024
CTSO	620	$1	03/31/2024
Call	100	$0	03/31/2024
Wells Fargo & Company MN	541	$1	12/31/2023
CTSO	541	$1	12/31/2023
Comerica Bank	519	$1	12/31/2023
CTSO	519	$1	12/31/2023
Lazard Asset Management LLC	938	$1	12/31/2023
CTSO	938	$1	12/31/2023
Proequities Inc.		$0	03/31/2024
Put	0	$0	03/31/2024
Call	0	$0	03/31/2024
CTSO	0	$0	03/31/2024
BNP Paribas Arbitrage SA	3	$0	03/31/2024
CTSO	3	$0	03/31/2024
Allworth Financial LP	37	$0	03/31/2024
CTSO	37	$0	03/31/2024
Your Advocates Ltd. LLP	250	$0	03/31/2024
CTSO	250	$0	03/31/2024
JPMorgan Chase & Co.	372	$0	12/31/2023
CTSO	372	$0	12/31/2023
The PNC Financial Services Group Inc.	36	$0	12/31/2023
CTSO	36	$0	12/31/2023
Royal Bank of Canada	79	$0	12/31/2023
CTSO	79	$0	12/31/2023
Qube Research & Technologies Ltd	1	$0	12/31/2023
CTSO	1	$0	12/31/2023