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RHUMBLINE ADVISERS

Position in KRRO — Korro Bio, Inc.

CIK 1115418 BOSTON, MA

Position in KRRO

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$163,445
+$51,943 QoQ
Shares Held
12,401
+25.9% QoQ
Ownership
0.084%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
18 quarters on record
Voting authority Sole 28% Shared 0% None 72%

Common Shares in KRRO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,414,750,230 across 330 Biotechnology names. KRRO ranks #257 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in KRRO

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $163,445 12,401
2026-03-31 $111,502 9,850
2025-12-31 $82,102 10,250
2025-09-30 $447,436 9,343
2025-06-30 $118,792 9,511
2025-03-31 $157,891 9,069
2024-12-31 $365,548 9,602
2024-09-30 $297,805 8,911
2024-06-30 $278,648 8,227