CYCLERION THERAPEUTICS INC COM

CYCLERION THERAPEUTICS INC COM is a security (CUSIP 23255M204) tracked across SEC portfolio filings. 14 institutional managers reported $227K on Form 13F as of 2026-06-30; 4 registered fund positions totaling $784K via N-PORT as of 2026-05-31.

Summary

Top institutional holders (Form 13F)

ManagerLocationValueShares
GEODE CAPITAL MANAGEMENT, LLCBOSTON, MA$130K84,550
VANGUARD GROUP INCValley Forge, PA$30K23,490
CITADEL ADVISORS LLCMIAMI, FL$28K18,261
BlackRock, Inc.New York, NY$26K16,797
FMR LLCBOSTON, MA$7K4,740
UBS Group AGZurich, V8$5K3,391
Activest Wealth ManagementAVENTURA, FL$339100
GROUP ONE TRADING, L.P.CHICAGO, IL$295192
OSAIC HOLDINGS, INC.PHOENIX, AZ$201130
MAI Capital ManagementINDEPENDENCE, OH$155100
WHI TRUST Co LLCCHICAGO, IL$11272
BNP PARIBAS ARBITRAGE, SNCPARIS, I0$85
MORGAN STANLEYNEW YORK, NY$21
CONCOURSE FINANCIAL GROUP SECURITIES, INC.BIRMINGHAM, AL0

Top fund holders (N-PORT)

FundRegistrantValue% of fund
Fidelity Growth Company FundFidelity Mt. Vernon Street Trust$688K0.07%
Fidelity Nasdaq Composite Index ETFFidelity Commonwealth Trust$67K0.06%
VANGUARD EXTENDED MARKET INDEX FUNDVANGUARD INDEX FUNDS$25K0.00%
Fidelity Advisor Health Care FundFidelity Advisor Series VII$5K0.02%

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