Cyclerion Therapeutics, Inc. - Common Stock, no par value (CYCN)
CUSIP: 23255M204
Q4 2024 13F Holders as of 31 Dec 2024
- Type / Class
- Equity / Common Stock, no par value
- Shares outstanding
- 3,367,000
- Total 13F shares
- 382,073
- Share change
- -660,582
- Total reported value
- $1,230,314
- Price per share
- $3.22
- Number of holders
- 19
- Value change
- -$1,793,165
- Number of buys
- 6
- Number of sells
- 5
Quarterly Holders Quick Answers
What is CUSIP 23255M204?
CUSIP 23255M204 identifies CYCN - Cyclerion Therapeutics, Inc. - Common Stock, no par value in SEC institutional holdings data.
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These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
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Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 23255M204:
Top shareholders of CYCN - Cyclerion Therapeutics, Inc. - Common Stock, no par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Slate Path Capital LP |
13F
|
Company |
11%
|
357,880
|
$926,909 | — | 30 Sep 2024 | |
| American Endowment Foundation |
13D/G
|
— |
4.9%
|
133,026
|
$492,196 | $0 | 31 Dec 2024 | |
| MFN Partners Management, LP |
13F
|
Company |
5%
|
169,460
|
$437,207 | — | 30 Sep 2024 | |
| TYNDALL CAPITAL PARTNERS L P |
13F
|
Company |
4.9%
|
164,777
|
$426,772 | — | 30 Sep 2024 | |
| FMR LLC |
13F
13D/G
|
Company |
0.2%
from 13D/G
|
157,636
|
$406,701 | — | 30 Sep 2024 | |
| Regina M. Graul |
3/4/5
|
President and Chief Executive Officer, Director |
—
mixed-class rows
|
156,152
mixed-class rows
|
$340,529 | — | 05 Aug 2024 | |
| Siren, L.L.C. |
13F
|
Individual |
3.4%
|
116,155
|
$300,841 | — | 30 Sep 2024 | |
| Terrance McGuire |
3/4/5
|
Director |
—
class O/S missing
|
42,010
|
$142,624 | — | 30 Nov 2023 | |
| Errol B. Desouza |
3/4/5
|
Director |
—
class O/S missing
|
30,000
|
$101,850 | — | 30 Nov 2023 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1%
|
33,908
|
$87,507 | — | 30 Sep 2024 | |
| Dina Katabi |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
$67,900 | — | 30 Nov 2023 | |
| Steven Hyman |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
$67,900 | — | 30 Nov 2023 | |
| VANGUARD GROUP INC |
13F
|
Company |
0.7%
|
23,490
|
$60,604 | — | 30 Sep 2024 | |
| BlackRock, Inc. |
13F
|
Company |
0.5%
|
16,797
|
$43,504 | — | 30 Sep 2024 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.03%
|
1,078
|
$2,792 | — | 30 Sep 2024 | |
| MORGAN STANLEY |
13F
|
Company |
0.02%
|
649
|
$1,681 | — | 30 Sep 2024 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0.02%
|
540
|
$1,393 | — | 30 Sep 2024 | |
| UBS Group AG |
13F
|
Company |
0%
|
145
|
$376 | — | 30 Sep 2024 | |
| Activest Wealth Management |
13F
|
Company |
0%
|
100
|
$259 | — | 30 Sep 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
23
|
$59 | — | 30 Sep 2024 | |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO |
13F
|
Company |
0%
|
1
|
$3 | — | 30 Sep 2024 | |
| Andreas Busch |
3/4/5
|
Chief Scientific Officer |
—
class O/S missing
|
135,000
|
— | — | 20 Jan 2022 | |
| Anjeza Gjino |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
135,000
|
— | — | 20 Jan 2022 | |
| Cheryl Gault |
3/4/5
|
Chief Operating Officer |
—
class O/S missing
|
135,000
|
— | — | 20 Jan 2022 | |
| George H. Conrades |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 14 Jun 2022 | |
| Marsha Fanucci |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 14 Jun 2022 | |
| Michael Mendelsohn |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 14 Jun 2022 | |
| Ole Isacson |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 14 Jun 2022 | |
| Stephanie Lovell |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 14 Jun 2022 | |
| Kevin Churchwell |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | — | 24 Jun 2021 |
Institutional Holders of Cyclerion Therapeutics, Inc. - Common Stock, no par value (CYCN) as of Q4 2024
As of 31 Dec 2024,
Cyclerion Therapeutics, Inc. - Common Stock, no par value (CYCN) was held by
19 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
382,073 shares.
The largest 10 holders included
TYNDALL CAPITAL PARTNERS L P, Siren, L.L.C., GEODE CAPITAL MANAGEMENT, LLC, VANGUARD GROUP INC, BlackRock, Inc., RENAISSANCE TECHNOLOGIES LLC, UBS Group AG, FMR LLC, Tower Research Capital LLC (TRC), and MORGAN STANLEY.
This page lists
19
institutional shareholders reporting positions in this security
for the Q4 2024 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
15
Q4 2024 holders
19
Holder diff
4
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 Value $ | Q4 2024 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.