CYCLERION THERAPEUTICS INC (CYCN): Institutional Ownership

Hedge funds and institutional managers reporting a position in CYCN · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
2
13F filers
Aggregate Value
$81K
Across holders
Last Price
$3.38
2026-06-26
Sector
Health Care
GICS
Holder activity1 new1 added0 reduced
Institutional Holders of CYCN
2 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund42K$53K65.3%0.0%Added+$36KQ4 2025
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund18K$28K34.7%0.0%NewQ1 2026