MRX
MAREX GROUP (MRX)
NASDAQ
$68.52-$3.03 (-4.23%)
Price as of Oct 22, 2026 6:10 PM EDT
  • $4.3B
    Market Cap
  • 134.61%
    1-Year Change
  • Capital Markets
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
7.46%
5.4M
+1.9M (+35.14%)
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
6.84%
4.9M
+3.0M (+61.29%)
Jun 30, 2026
BLACKROCK, INC.
6.39%
4.6M
+204,824 (+4.46%)
Jun 30, 2026
CAPITAL INTERNATIONAL INVESTORS
4.54%
3.3M
-223,729 (-6.85%)
Jun 30, 2026
ALLIANCEBERNSTEIN L.P.
3.62%
2.6M
+870,311 (+33.47%)
Jun 30, 2026
LOOMIS SAYLES & CO L P
2.26%
1.6M
-291,920 (-17.95%)
Jun 30, 2026
SAMLYN CAPITAL, LLC
2.06%
1.5M
-205,627 (-13.86%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions316.7M (91.98%)
  • Mutual Funds20.9M (6.07%)
  • Insiders6.7M (1.95%)
  • Other0 (0.00%)

Insider Transactions

  • 1.95% (6.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $2.1B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Tonucci Paolo
See Remarks
Sell
Oct 12, 2026
$1.1M
15,506
$71.98
1.3M
Tonucci Paolo
See Remarks
Sell
Oct 12, 2026
$84,260.31
1,160
$72.64
1.3M
Van Den Born Simon
President
Sell
Sep 14, 2026
$892,820.44
12,616
$70.77
1.5M
Tonucci Paolo
See Remarks
Sell
Sep 14, 2026
$970,528.81
13,714
$70.77
1.3M
Van Den Born Simon
President
Sell
Sep 14, 2026
$189,456.82
2,655
$71.36
1.5M
Tonucci Paolo
See Remarks
Sell
Sep 14, 2026
$210,638.19
2,952
$71.35
1.3M
Tonucci Paolo
See Remarks
In Kind
Sep 07, 2026
$1.4M
18,293
$78.27
1.3M
Lowitt Ian T
Chief Executive Officer
In Kind
Sep 07, 2026
$2.9M
36,587
$78.27
2.8M
Jethwa Nilesh
CEO, Marex Solutions
In Kind
Sep 07, 2026
$2.5M
31,567
$78.27
282,950
Van Den Born Simon
President
In Kind
Sep 07, 2026
$1.0M
13,215
$78.27
1.5M
Jethwa Nilesh
CEO, Marex Solutions
Award
Aug 19, 2026
$0.00
67,163
$0.00
314,517
Lowitt Ian T
Chief Executive Officer
Award
Aug 19, 2026
$0.00
77,843
$0.00
2.9M
Tonucci Paolo
See Remarks
Award
Aug 19, 2026
$0.00
38,921
$0.00
1.3M
Irvin Rob
Chief Financial Officer
Sell
Aug 14, 2026
$248,172.40
3,500
$70.91
31,246
Irvin Rob
Chief Financial Officer
Sell
Aug 14, 2026
$14,373.00
200
$71.86
31,046
Tonucci Paolo
See Remarks
Sell
Jul 13, 2026
$761,057.95
11,850
$64.22
1.3M
Lowitt Ian T
Chief Executive Officer
Sell
Jul 13, 2026
$1.8M
27,398
$64.19
2.8M
Tonucci Paolo
See Remarks
Sell
Jul 13, 2026
$297,270.57
4,584
$64.85
1.3M
Lowitt Ian T
Chief Executive Officer
Sell
Jul 13, 2026
$581,324.53
8,957
$64.90
2.8M
Tonucci Paolo
See Remarks
Sell
Jul 13, 2026
$15,249.38
232
$65.73
1.3M
Lowitt Ian T
Chief Executive Officer
Sell
Jul 13, 2026
$51,818.68
787
$65.84
2.8M
Tonucci Paolo
See Remarks
Sell
Jun 15, 2026
$102,366.91
1,658
$61.74
1.3M
Tonucci Paolo
See Remarks
Sell
Jun 15, 2026
$887,515.59
14,199
$62.51
1.3M
Tonucci Paolo
See Remarks
Sell
Jun 15, 2026
$50,966.51
809
$63.00
1.3M
Lowitt Ian T
Chief Executive Officer
Sell
Jun 12, 2026
$2.0M
32,813
$62.29
2.8M
Lowitt Ian T
Chief Executive Officer
Sell
Jun 12, 2026
$272,523.27
4,330
$62.94
2.8M
Assi Georges
Award
Jun 09, 2026
$0.00
2,070
$0.00
2,070
Schweinitz Konstantin Graf von
Award
Jun 09, 2026
$0.00
2,070
$0.00
26,165
Pickering Robert Mark
Award
Jun 09, 2026
$0.00
2,070
$0.00
31,766
Myers Linda Kristine
Award
Jun 09, 2026
$0.00
2,070
$0.00
23,214