Cyclerion Therapeutics Ownership

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

Recent Insider Transactions

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

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top 25 shareholders own 61.83% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.46%	Slate Path Capital LP	7,157,601	$5.0m	0%	0.26%
7.85%	FMR LLC	3,413,860	$2.4m	34.52%	no data
7.79%	MFN Partners Management, LP	3,389,215	$2.4m	0%	0.09%
6.39%	Artal Group S.A.	2,779,122	$1.9m	0%	0.09%
6.12%	American Endowment Foundation, Endowment Arm	2,660,546	$1.9m	0%	100%
4.71%	Peter Hecht	2,047,698	$1.4m	0%	no data
3.8%	The Vanguard Group, Inc.	1,650,704	$1.2m	-5.9%	no data
1.66%	Polaris Venture Partners, Inc.	722,432	$504.3k	0%	0.19%
1.34%	Geode Capital Management, LLC	583,819	$407.6k	1.76%	no data
0.83%	BlackRock, Inc.	360,676	$251.8k	-0.25%	no data
0.67%	Trustcore Financial Services, LLC	292,645	$204.3k	0%	0.02%
0.65%	Renaissance Technologies LLC	283,388	$197.8k	-37.86%	no data
0.6%	Andreas Busch	262,204	$183.0k	0%	no data
0.56%	Diametric Capital, LP	243,711	$170.1k	0.07%	0.08%
0.53%	Acadian Asset Management LLC	231,952	$161.9k	0%	no data
0.27%	State Street Global Advisors, Inc.	115,414	$80.6k	0%	no data
0.26%	Bridgeway Capital Management, LLC	115,000	$80.3k	0%	no data
0.24%	The Colony Group, LLC	102,884	$71.8k	0%	no data
0.23%	Lincoln Park Capital, LLC	100,000	$69.8k	0%	0.98%
0.21%	Prelude Capital Management, LLC	92,541	$64.6k	-26.67%	no data
0.19%	Northern Trust Global Investments	80,792	$56.4k	0%	no data
0.18%	Franklin Resources, Inc.	78,919	$55.1k	1.19%	no data
0.1%	Millennium Management LLC	45,339	$31.7k	-12.11%	no data
0.099%	Intrinsic Value Partners, LLC	43,215	$30.2k	-10.56%	0.04%
0.084%	Two Sigma Advisers, LP	36,600	$25.6k	-62.15%	no data