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CYCN CYCLERION THERAPEUTICS INC

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COM (common)

16 managers (16 13F filers) reported a position in CYCN shares at 2024-09-30, 1,042,639 shares in all. 0 filers opened a position and 3 filers sold out during the quarter.

Managers
16
13F filers
16
New
0
Added
1
Reduced
4
Sold out
3
Shares held by filers
1,042,639

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2024

Filers in the available 13F reports with a share position at 2024-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Slate Path Capital LP357,880$927K0.02%013F-HRTimeline
MFN Partners Management, LPin group MFN Partners Management, LP169,460$437K0.01%013F-HRTimelineGroup
TYNDALL CAPITAL PARTNERS L P164,777$427K100%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
FMR LLCin group FMR LLC157,636$407K<0.01%-3,78313F-HRTimelineGroup
Siren, L.L.C.in group Siren, L.L.C.116,155$301K0.02%13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC33,908$87.5K<0.01%-7013F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC23,490$60.6K<0.01%013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.16,797$43.5K<0.01%13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,078$2.79K<0.01%-38613F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY649$1.68K<0.01%013F-HR/ATimelineGroup
GROUP ONE TRADING LLC540$1.39K<0.01%013F-HRTimeline
UBS Group AGin group UBS Group AG145$376<0.01%-2,56113F-HRTimelineGroup
Activest Wealth Management100$259<0.01%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/23$59<0.01%+713F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…1$3<0.01%013F-HRTimelineGroup
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$00%013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.