Security Snapshot

Marex Group Ltd - COMMON STOCK (MRX) Institutional Ownership

CUSIP: G5S37H101

13F Institutional Holders and Ownership History from Q2 2024 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

215

Shares (Excl. Options)

56.65MFull value: 56,651,695 · shares · 30 Jun 2026

Price

$60.95

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+4,080,927
Value change
+$321,817,868
Number of holders
215
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
72,390,235
SEC-reported price per share
$69.76
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • MRX - Marex Group Ltd - COMMON STOCK is tracked under CUSIP G5S37H101.
  • 215 institutions reported positions in Q2 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 204 to 215 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $2.33BFull value: $2,327,269,854 · USD · 31 Mar 2026
    to
    $3.41BFull value: $3,405,817,590 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 215 institutions filings for Q2 2026.

Open SEC evidence

Security key

G5S37H101

13F reference period

Q2 2026

13F holders

215

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
2
Security
MRX
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
FMR LLC 7.5% +48% $327,209,161 +$100,175,835 5,368,485 +44% FMR LLC 30 Jun 2026
PRICE T ROWE ASSOCIATES INC /MD/ 6.8% $300,028,569 4,922,536 T. Rowe Price Associates, Inc. 30 Jun 2026
As of 30 Jun 2026, 215 institutional investors reported holding
56.65MFull value: 56,651,695 · shares · 30 Jun 2026
shares of Marex Group Ltd - COMMON STOCK (MRX). This represents 78% of the company’s total
72.39MFull value: 72,390,235 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
59%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
FMR LLC 7.4% 5,368,485 +54% 0.01% $327,209,161
PRICE T ROWE ASSOCIATES INC /MD/ 6.8% 4,923,341 +158% 0.03% $300,079,000
BlackRock, Inc. 6.3% 4,594,149 +4.7% 0% $280,013,375
Capital International Investors 4.5% 3,264,364 -6.4% 0.04% $198,962,986
ALLIANCEBERNSTEIN L.P. 3.6% 2,600,436 +50% 0.04% $115,927,437
WASATCH ADVISORS LP 2.3% 1,683,061 +884% 0.67% $102,582,568
LOOMIS SAYLES & CO L P 2.2% 1,626,702 -15% 0.13% $99,147,471
SAMLYN CAPITAL, LLC 2% 1,483,250 -12% 1.5% $90,404,088
Invesco Ltd. 1.9% 1,404,552 +2.3% 0.01% $85,607,444
Ophir Asset Management Pty Ltd 1.9% 1,391,511 +12% 7% $84,812,595
TWO SIGMA INVESTMENTS, LP 1.8% 1,335,436 -21% 0.06% $81,394,824
VICTORY CAPITAL MANAGEMENT INC 1.8% 1,291,337 -1.8% 0.04% $78,706,990
Granahan Investment Management, LLC 1.7% 1,254,283 +2.5% 2.7% $76,448,549
MORGAN STANLEY 1.6% 1,169,722 +145% 0% $71,294,566
ROYCE & ASSOCIATES LP 1.5% 1,111,339 -11% 0.55% $67,678,044
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 1.4% 1,043,286 +43% 0.09% $61,491,277
STATE STREET CORP 1.4% 1,026,731 +18% 0% $62,579,254
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.4% 1,009,199 -36% 0.18% $61,510,679
AMERIPRISE FINANCIAL INC 1.2% 904,162 -5.2% 0.01% $55,108,675
GEODE CAPITAL MANAGEMENT, LLC 1.2% 897,253 +24% 0% $52,884,092
WELLINGTON MANAGEMENT GROUP LLP 1.1% 775,023 +18% 0.01% $47,237,652
WESTFIELD CAPITAL MANAGEMENT CO LP 0.95% 688,665 0.14% $41,974,132
JENNISON ASSOCIATES LLC 0.83% 604,393 -62% 0.02% $36,837,754
VANGUARD PORTFOLIO MANAGEMENT LLC 0.79% 569,895 +57% 0% $34,735,100
GOLDMAN SACHS GROUP INC 0.76% 551,753 +14% 0% $33,629,345

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
10
Headline period
Q2 2026
Rows shown
1-10 of 10
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 10,794 $749,217 -$146,713,002 $69.76 6
2026 Q2 56,651,695 $3,405,817,590 +$321,817,868 $60.95 215
2026 Q1 52,487,163 $2,327,269,854 +$75,225,690 $44.58 204
2025 Q4 51,131,295 $1,960,905,328 +$10,812,279 $38.36 191
2025 Q3 51,342,786 $1,723,699,443 -$9,291,389 $33.62 190
2025 Q2 50,687,465 $2,000,682,850 +$917,690,273 $39.47 194
2025 Q1 26,660,724 $943,066,551 +$9,297,530 $35.32 121
2024 Q4 26,566,834 $830,156,769 +$297,974,409 $31.17 106
2024 Q3 16,754,620 $396,816,053 +$54,343,471 $23.62 71
2024 Q2 14,739,248 $294,785,918 +$294,785,921 $20.00 59
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