Security key
23255M105
CYCLERION THERAPEUTICS INC - COMMON STOCK (CYCN)
CUSIP: 23255M105
Q4 2019 13F Holders as of 31 Dec 2019
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 15,376,074
- Total 13F value
- $41,819,093
- Share change
- -4,296,069
- SEC-reported price per share
- $2.72
- Number of holders
- 68
- Value change
- -$70,347,297
- Number of buys
- 35
- Number of sells
- 42
- Shares outstanding
- 4,330,313
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2019
Institutions
68
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
30 Sep 2019
13F
Highest disclosed value: $33,170,000
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 $33.17M.
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
$33.17M
Camber Capital Management LP
$26.99M
WELLINGTON MANAGEMENT GROUP LLP
$24.72M
BlackRock Finance, Inc.
$18.29M
MFN Partners Management, LP
$18.03M
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
|
$33,170,000
2,736,788 shares
|
— | 30 Sep 2019 |
| Camber Capital Management LP |
13F
Company
|
—
denominator unverified
|
$26,992,000
2,227,052 shares
|
— | 30 Sep 2019 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
—
denominator unverified
|
$24,715,000
2,039,193 shares
|
— | 30 Sep 2019 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$18,294,000
1,509,457 shares
|
— | 30 Sep 2019 |
| MFN Partners Management, LP |
13F
Company
|
—
denominator unverified
|
$18,033,000
1,487,874 shares
|
— | 30 Sep 2019 |
| Artal Group S.A. |
13F
Company
|
—
denominator unverified
|
$16,502,000
1,361,584 shares
|
— | 30 Sep 2019 |
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 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
68
Shares
15,376,074
Rows available
68
| 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 2019 vs Q3 2019 Across Filers
Q3 2019 holders
84
Q4 2019 holders
68
Holder diff
-16
| Investor | Q3 2019 Shares | Q4 2019 Shares | Share Diff | Share Chg % | Q3 2019 value | Q4 2019 value | Value change | Value Chg % |
|---|