Cyclerion Therapeutics, Inc.

NasdaqCM:CYCN Stock Report

Market Cap: US$13.1m

Cyclerion Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of CYCN?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders748,53517.6%
Institutions1,295,18830.5%
General Public2,197,53751.8%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 32.1%.

Top Shareholders

Top 25 shareholders own 48.19% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
15.3%
FMR LLC
649,547US$2.0m13,600%no data
13.2%
Peter Hecht
559,203US$1.7m0%no data
4.29%
J. Wood Capital Advisors LLC
181,818US$560.0k0%no data
3.66%
Tyndall Capital Partners LP
155,187US$478.0k0%12.48%
3.14%
American Endowment Foundation
133,026US$409.7k0%0.79%
1.99%
Geode Capital Management, LLC
84,550US$260.4k95.3%no data
1.62%
Regina Graul
68,574US$211.2k22.9%no data
1.18%
Errol De Souza
50,000US$154.0k0%no data
0.72%
Michael Higgins
30,740US$94.7k0%no data
0.47%
Steven Hyman
20,000US$61.6k0%no data
0.47%
Dina Katabi
20,000US$61.6k0%no data
0.43%
Citadel Advisors LLC
18,261US$56.2k0%no data
0.4%
BlackRock, Inc.
16,797US$51.7k0%no data
0.39%
Bg Fund Management Luxembourg S.A.
16,428US$50.6k0%no data
0.38%
Vanguard Capital Management, LLC
16,137US$49.7k0%no data
0.24%
Kovack Advisors, Inc.
10,000US$30.8k0%no data
0.17%
Vanguard Fiduciary Trust Company
7,353US$22.6k0%no data
0.08%
UBS Asset Management AG
3,391US$10.4k802%no data
0.047%
Dimensional Fund Advisors LP
2,000US$6.2k0%no data
0.0045%
Group One Trading LLC
192US$591.80%no data
0.0031%
Osaic Wealth, Inc.
130US$401.00%no data
0.0024%
MAI Capital Management, LLC
100US$308.30%no data
0.0024%
Activest Wealth Management, LLC
100US$308.30%no data
0.0021%
Citigroup Inc.
89US$274.3-98.9%no data
0.0017%
Whi Trust Co Llc
72US$222.10%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/02 15:59
End of Day Share Price 2026/06/02 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Cyclerion Therapeutics, Inc. is covered by 3 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Pete StavropoulosCantor Fitzgerald & Co.
Joon So LeeTruist Securities
David BautzZacks Small-Cap Research