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Equibles

Atlas Venture Life Science Advisors, LLC

Position in KRRO — Korro Bio, Inc.

CIK 1917529 CAMBRIDGE, MA
Back to KRRO Full portfolio

Position in KRRO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$12,690,811
-$181,715 QoQ
Shares Held
962,884
-15.3% QoQ
Ownership
6.54%
of shares outstanding
% of Portfolio
1.44%
of 13F equity value
Holder Rank
#4
of 106 holders
Holding Since
Dec 2023
11 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

Atlas Venture Life Science Advisors, LLC holds $881,289,155 across 7 Biotechnology names. KRRO ranks #7 (1.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KYMR
Kymera Therapeutics, Inc.
 2,847,541 $326,527,526
2 DYN
Dyne Therapeutics, Inc.
 6,800,099 $151,030,198
3 SION
Sionna Therapeutics, Inc.
 2,995,602 $131,776,531
4 KLRA
Kailera Therapeutics, Inc.
 5,171,282 $113,923,342
5 IRON
Disc Medicine, Inc.
 1,513,875 $110,724,817
6 QTTB
Q32 Bio Inc.
 2,717,106 $34,615,930
7 KRRO
Korro Bio, Inc.
This page 		962,884 $12,690,811

All Filings in KRRO

Export CSV
11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,690,811 962,884
2026-03-31 $12,872,526 1,137,149
2025-12-31 $9,108,563 1,137,149
2025-09-30 $54,458,065 1,137,149
2025-06-30 $14,202,991 1,137,149
2025-03-31 $19,797,764 1,137,149
2024-12-31 $43,291,262 1,137,149
2024-09-30 $38,003,519 1,137,149
2024-06-30 $38,515,236 1,137,149
2024-03-31 $100,736,280 1,119,292
2023-12-31 $53,647,665 1,119,292