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Security record · archived quarter

MRX

Marex Group Limited · Financial Services · Financial - Capital Markets

71.39 +1.3% mkt cap $5.13B quote delayed (FMP) · as of Oct 21 18:08 UTC · separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
8Tracked holders
n/aΔ holders
2.55MShares held
$51.02MReported value
+0New positions
−0Exits
n/a How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 83 0 42.18M $2.52B +11 −10
Q1 2026 85 +3 37.24M $1.65B +8 −5
Q4 2025 83 0 35.18M $1.35B +1 −1
Q3 2025 18 -1 15.20M $511.18M +1 −3
Q2 2025 17 +3 10.90M $430.16M +4 −1
Q1 2025 11 0 2.90M $102.43M n/a n/a
Q4 2024 11 +1 3.26M $101.72M +1 n/a
Q3 2024 10 +2 2.30M $54.35M +2 n/a
Q2 2024 8 n/a 2.55M $51.02M n/a n/a
Holder count
Who holds it · Q2 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Citadel Advisors ✦ 839.89K n/a $16.80M 0.0% n/c 1 SEC ↗ ×2
2 Adage Capital Partners ✦ 686.17K n/a $13.72M 0.0% n/c 1 SEC ↗
3 Millennium Management ✦ 416.86K n/a $8.34M 0.0% n/c 1 SEC ↗
4 Marshall Wace ✦ 343.51K n/a $6.87M 0.0% n/c 1 SEC ↗ ×2
5 Two Sigma Investments ✦ 140.08K n/a $2.80M 0.0% n/c 1 SEC ↗
6 Geode Capital Management ✦ (passive) 67.31K n/a $1.35M 0.0% n/c 1 SEC ↗
7 Norges Bank ✦ (passive) 50.00K n/a $1.00M 0.0% n/c 1 SEC ↗
8 Point72 Asset Management ✦ 6.94K n/a $138,764 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 204 holders, 52.03M shares, $2.16B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Oct 12 Tonucci Paolo

Officer · 15.51K sh · $1.12M

Oct 12 Van Den Born Simon

Officer · 1.26K sh · $91,515

Oct 12 Van Den Born Simon

Officer · 14.01K sh · $1.01M

Oct 12 Tonucci Paolo

Officer · 1.16K sh · $84,260

Sep 14 Van Den Born Simon

Officer · 2.65K sh · $189,457

Sep 14 Tonucci Paolo

Officer · 2.95K sh · $210,638

Sep 14 Tonucci Paolo

Officer · 13.71K sh · $970,529

Sep 14 Van Den Born Simon

Officer · 12.62K sh · $892,820

Aug 14 Irvin Rob

Officer, Director · 200 sh · $14,373

Aug 14 Irvin Rob

Officer, Director · 3.50K sh · $248,172

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G: PRICE T ROWE ASSOCIATES INC /MD/

View original SEC filing ↗

Aug 10 SC 13G/A: MASP Investor Limited Partnership

View original SEC filing ↗

Aug 10 SC 13G/A: JRJ Investor 1 Limited Partnership

View original SEC filing ↗

Aug 06 SC 13G/A: FMR LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2024 · Methodology · Get this via the API