Security key
G5S37H101
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 52,487,163
- Total reported value
- $2,327,269,973
- Share change
- +1,497,497
- Put/Call ratio
- 70%
- Reported price per share
- $44.58
- Number of holders
- 204
- Value change
- +$77,143,698
- Number of buys
- 118
- Number of sells
- 79
- Shares outstanding
- 73,037,471
Holder snapshot
7 facts
Security identity
1 fact
Report period
Q1 2026
Institutions
204
Top holders
10
MRX full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Marex Group plc SEC filings
Marex Group plc company facts
Broader feeds
Reporting periods
Holder history for CUSIP G5S37H101
Recent filing periods:
Ownership snapshot
Top reported holders of MRX - Marex Group plc - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
JRJ Investor 1 Limited Pa...
13D/G signal
JRJ Investor 1 Limited Pa...
Evidence rows
15
Latest as of
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 10%
13D/G row: JRJ Investor 1 Limited Partnership
Showing 1-6 of 15 holder rows.
Quick read
JRJ Investor 1 Limited Partnership leads the comparable SEC ownership view at 10%.
Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
JRJ Investor 1 Limited Partnership
10%
MASP Investor Limited Partnership
7%
FMR LLC
5.1%
Robert Mark Pickering
0.04%
Schweinitz Konstantin Graf von
0.03%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| JRJ Investor 1 Limited Partnership |
13D/G
JRJ Investor 1 LP
|
10%
|
$282,614,171
7,160,826 shares
|
$0 | 30 Jun 2025 |
| MASP Investor Limited Partnership |
13D/G
|
7%
|
$198,304,539
5,024,604 shares
|
$0 | 30 Jun 2025 |
| FMR LLC |
13D/G
13F
Company
|
5.1%
|
$174,959,070
3,724,911 shares
|
$0 | 31 Mar 2026 |
| Robert Mark Pickering |
3/4/5
Director
|
0.04%
|
$1,246,341
29,696 shares
|
— | 18 Mar 2026 |
| Schweinitz Konstantin Graf von |
3/4/5
Director
|
0.03%
|
$1,011,267
24,095 shares
|
— | 18 Mar 2026 |
| John W. Pietrowicz |
3/4/5
Director
|
0.03%
|
$934,210
22,259 shares
|
— | 18 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
204
Shares
52,487,163
Rows available
204
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
191
Q1 2026 holders
204
Holder diff
13
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend