Security key
23255M105
CYCLERION THERAPEUTICS INC - COMMON STOCK (CYCN)
CUSIP: 23255M105
Q2 2020 13F Holders as of 30 Jun 2020
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 17,688,979
- Total 13F value
- $104,540,887
- Share change
- -833,918
- SEC-reported price per share
- $5.91
- Number of holders
- 67
- Value change
- -$4,008,711
- Number of buys
- 28
- Number of sells
- 34
- Shares outstanding
- 4,330,313
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2020
Institutions
67
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
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
0/15
Latest evidence
31 Mar 2020
13F
Highest disclosed value: $7,272,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC has the largest disclosed position value at $7.27M.
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 FMR LLC's linked filing trail.
Disclosed position value
Top 5
FMR LLC
$7.27M
EcoR1 Capital, LLC
$7.27M
MFN Partners Management, LP
$6.43M
Artal Group S.A.
$4.93M
BlackRock Finance, Inc.
$4.21M
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 |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$7,272,000
2,744,107 shares
|
— | 31 Mar 2020 |
| EcoR1 Capital, LLC |
13F
Company
|
—
denominator unverified
|
$7,267,000
2,742,276 shares
|
— | 31 Mar 2020 |
| MFN Partners Management, LP |
13F
Company
|
—
denominator unverified
|
$6,433,000
2,427,677 shares
|
— | 31 Mar 2020 |
| Artal Group S.A. |
13F
Company
|
—
denominator unverified
|
$4,933,000
1,861,584 shares
|
— | 31 Mar 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$4,211,000
1,589,169 shares
|
— | 31 Mar 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$3,425,000
1,292,690 shares
|
— | 31 Mar 2020 |
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 Q2 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
67
Shares
17,688,979
Rows available
67
| 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 Q2 2020 vs Q1 2020 Across Filers
Q1 2020 holders
67
Q2 2020 holders
67
Holder diff
0
| Investor | Q1 2020 Shares | Q2 2020 Shares | Share Diff | Share Chg % | Q1 2020 value | Q2 2020 value | Value change | Value Chg % |
|---|