Security key
23255M105
CYCLERION THERAPEUTICS INC - COMMON STOCK (CYCN)
CUSIP: 23255M105
Q4 2022 13F Holders as of 31 Dec 2022
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 20,827,653
- Total 13F value
- $13,665,576
- Share change
- -409,108
- Put/Call ratio
- 0.6%
- SEC-reported price per share
- $0.66
- Number of holders
- 36
- Value change
- -$347,030
- Number of buys
- 19
- Number of sells
- 12
- Shares outstanding
- 4,330,313
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2022
Institutions
36
Top holders
10
CYCN full security history
Ownership snapshot
Full 13F holder table
Korsana Biosciences, Inc. SEC filings
Korsana Biosciences, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of CYCN - CYCLERION THERAPEUTICS INC - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Slate Path Capital LP
Disclosed value leader
Slate Path Capital LP
Comparable rows
0/15
Latest evidence
30 Sep 2022
13F
Highest disclosed value: $6,156,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Slate Path Capital LP has the largest disclosed position value at $6.16M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Slate Path Capital LP's linked filing trail.
Disclosed position value
Top 5
Slate Path Capital LP
$6.16M
FMR LLC
$2.94M
MFN Partners Management, LP
$2.92M
Artal Group S.A.
$2.39M
VANGUARD GROUP INC
$1.42M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Slate Path Capital LP |
13F
Company
|
—
denominator unverified
|
$6,156,000
7,157,601 shares
|
— | 30 Sep 2022 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$2,936,000
3,413,860 shares
|
— | 30 Sep 2022 |
| MFN Partners Management, LP |
13F
Company
|
—
denominator unverified
|
$2,915,000
3,389,215 shares
|
— | 30 Sep 2022 |
| Artal Group S.A. |
13F
Company
|
—
denominator unverified
|
$2,391,000
2,779,122 shares
|
— | 30 Sep 2022 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$1,419,000
1,650,704 shares
|
— | 30 Sep 2022 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$502,000
583,819 shares
|
— | 30 Sep 2022 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
36
Shares
20,827,653
Rows available
36
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2022 vs Q3 2022 Across Filers
Q3 2022 holders
29
Q4 2022 holders
36
Holder diff
7
| Investor | Q3 2022 Shares | Q4 2022 Shares | Share Diff | Share Chg % | Q3 2022 value | Q4 2022 value | Value change | Value Chg % |
|---|