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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in MRX — Marex Group Ltd

CIK 1644956 CHICAGO, IL

Position in MRX

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$61,510,679
-$8,309,669 QoQ
Shares Held
1,009,199
-35.6% QoQ
Ownership
1.40%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
#18
of 217 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority Sole 78% Shared 0% None 22%

Common Shares in MRX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $278,170,319 across 7 Capital Markets names. MRX ranks #3 (22.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MRX
Marex Group Ltd
This page
1,009,199 $61,510,679

All Filings in MRX

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $61,510,679 1,009,199
2026-03-31 $69,820,348 1,566,181
2025-12-31 $66,705,239 1,738,927
2025-09-30 $12,387,255 368,449
2025-06-30 $32,001,920 810,791
2025-03-31 $59,208,999 1,676,359
2024-12-31 $78,072,309 2,504,726
2024-09-30 $33,955,875 1,437,590
2024-06-30 $28,835,240 1,441,762