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Equibles

MILLENNIUM MANAGEMENT LLC

Position in KRRO — Korro Bio, Inc.

CIK 1273087 NEW YORK, NY
Back to KRRO Full portfolio

Position in KRRO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,560,960
+$840,941 QoQ
Shares Held
118,434
+86.2% QoQ
Ownership
0.804%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in KRRO Over Time

Shares Held

Position Value (USD)

Derivatives in KRRO

reported options exposure · as of Mar 31, 2021
CallValue
$0
CallShares
0
PutValue
$0
PutShares
15,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $4,631,421,099 across 322 Biotechnology names. KRRO ranks #226 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 468,410 $232,673,299
2 INSM
INSMED Inc
 2,048,005 $218,358,293
3
1,491,404 $197,954,052
4 JAZZ
Jazz Pharmaceuticals plc
 763,880 $184,072,163
5 ONC
BeOne Medicines Ltd.
 543,323 $154,830,755
6 AXSM
Axsome Therapeutics, Inc.
 556,088 $136,113,659
7 BMRN
Biomarin Pharmaceutical Inc
 2,071,816 $118,549,311
8 REGN
Regeneron Pharmaceuticals, Inc.
 165,120 $102,958,924

All Filings in KRRO

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,560,960 118,434
2026-03-31 $720,019 63,606
2025-12-31 $1,290,346 161,092
2025-09-30 $12,467,347 260,333
2025-06-30 $3,193,480 255,683
2025-03-31 $1,895,409 108,869
2024-12-31 $3,647,410 95,808
2024-09-30 $2,414,962 72,261
2024-06-30 $2,851,887 84,201
2024-03-31 $5,480,460 60,894