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Equibles

Mariner, LLC

Position in KRRO — Korro Bio, Inc.

CIK 1373442 Overland Park, KS
Back to KRRO Full portfolio

Position in KRRO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$367,827
+$75,556 QoQ
Shares Held
27,908
+8.1% QoQ
Ownership
0.190%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
3 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

Mariner, LLC holds $491,839,818 across 152 Biotechnology names. KRRO ranks #81 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 JAZZ
Jazz Pharmaceuticals plc
 608,615 $146,657,956
2 VRTX
Vertex Pharmaceuticals Inc / Ma
 134,614 $66,866,811
3 REGN
Regeneron Pharmaceuticals, Inc.
 100,086 $62,407,624
4 RPRX
Royalty Pharma plc
 693,495 $38,884,263
5 EXEL
Exelixis, Inc.
 313,083 $17,034,845
6 INCY
Incyte Corp
 121,988 $13,828,559
7 BMRN
Biomarin Pharmaceutical Inc
 192,607 $11,020,972
8 ALNY
Alnylam Pharmaceuticals, Inc.
 28,021 $8,435,161

All Filings in KRRO

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $367,827 27,908
2026-03-31 $292,271 25,819