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Siren, L.L.C.

SEC CIK
0002005245
Latest filing
Aug 13, 2026

KRRO holding history

Korro Bio, Inc. in every 13F filed by Siren, L.L.C., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

KRRO overviewAll 13F holders of KRROFull Q2 2026 holdings

Shares (Q2 2026)
347,718
Value
$4.58M
% of portfolio
0.1%
Quarters held
8
Since Q3 2024
Holdings of KRRO by Siren, L.L.C., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026347,718$4.58M0.1%00.0%UnchangedHolders
Q1 2026347,718$3.94M0.1%00.0%UnchangedHolders
Q4 2025347,718$2.79M0.1%−71,115−17.0%ReducedHolders
Q3 2025418,833$20.1M0.8%00.0%UnchangedHolders
Q2 2025418,833$5.23M0.3%00.0%UnchangedHolders
Q1 2025418,833$7.29M0.4%00.0%UnchangedHolders
Q4 2024418,833$15.9M0.7%00.0%UnchangedHolders
Q3 2024418,833$14.0M0.7%–No prior filingHolders