Skip to main content

SIMPLEX TRADING, LLC

Position in KRRO — Korro Bio, Inc.

CIK 1488542 CHICAGO, IL

Position in KRRO

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$26,030
-$200,228 QoQ
Shares Held
1,975
-93.0% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#74
of 106 holders
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in KRRO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $82,536,102 across 183 Biotechnology names. KRRO ranks #122 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KRRO

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $26,030 1,975
2025-12-31 $226,258 28,247