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North Star Investment Management Corp.

Position in KRRO — Korro Bio, Inc.

CIK 1342857 CHICAGO, IL

Position in KRRO

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$23,724
+$3,348 QoQ
Shares Held
1,800
0.0% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#76
of 106 holders
Holding Since
Dec 2023
11 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in KRRO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

North Star Investment Management Corp. holds $1,346,732 across 46 Biotechnology names. KRRO ranks #10 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KRRO

Export CSV
11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $23,724 1,800
2026-03-31 $20,376 1,800
2025-12-31 $14,418 1,800
2025-09-30 $86,202 1,800
2025-06-30 $22,482 1,800
2025-03-31 $31,338 1,800
2024-12-31 $68,526 1,800
2024-09-30 $33,420 1,000
2024-06-30 $67,740 2,000
2024-03-31 $90,000 1,000
2023-12-31 $47,930 1,000