Flock, smart-money disclosures made readable

Marsh & Mclennan Cos Inc

MRSHNASDAQ · US

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Holders

Ownership

Ownership data not yet available for this security.

Disclosure timeline

REDUCEDStale
Doyle John Q
Marsh & Mclennan Cos Inc · NASDAQ
−16,656 sh · $3.1M
Filed 3 Sept 2026SEC Form 4view source
REDUCEDStale
Brennan Katherine
Marsh & Mclennan Cos Inc · NASDAQ
−1,197 sh · $224.9K
Filed 3 Sept 2026SEC Form 4view source
ACQUIREDStale
Doyle John Q
Marsh & Mclennan Cos Inc · NASDAQ
+16,656 sh · $1.2M
Filed 3 Sept 2026SEC Form 4view source
ACQUIREDStale
Brennan Katherine
Marsh & Mclennan Cos Inc · NASDAQ
+1,197 sh · $99.4K
Filed 3 Sept 2026SEC Form 4view source
DISCLOSEDQuarterly
Markel Group
Marsh & Mclennan Cos Inc · NASDAQ
763,500 sh · $127.3M
Filed 30 Jun 2026SEC 13Fview source
DISCLOSEDQuarterly
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
39,502,046 sh · $6.58B
Filed 30 Jun 2026SEC 13Fview source
DISCLOSEDStale
Markel Group
Marsh & Mclennan Cos Inc · NASDAQ
763,500 sh · $132.4M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
Two Sigma Investments
Marsh & Mclennan Cos Inc · NASDAQ
678,219 sh · $117.6M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
Renaissance Technologies
Marsh & Mclennan Cos Inc · NASDAQ
365,500 sh · $63.4M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
42,061,676 sh · $7.30B
Filed 31 Mar 2026SEC 13Fview source

Announcements

No announcements on record for this security.

Show all 27 disclosures

DISCLOSEDStale
Markel Group
Marsh & Mclennan Cos Inc · NASDAQ
761,750 sh · $141.3M
Filed 31 Dec 2025SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
40,444,949 sh · $7.50B
Filed 31 Dec 2025SEC 13Fview source
DISCLOSEDStale
Two Sigma Investments
Marsh & Mclennan Cos Inc · NASDAQ
1,249,912 sh · $231.9M
Filed 31 Dec 2025SEC 13Fview source
DISCLOSEDStale
Two Sigma Investments
Marsh & Mclennan Cos Inc · NASDAQ
1,100,141 sh · $221.7M
Filed 30 Sept 2025SEC 13Fview source
DISCLOSEDStale
Markel Group
Marsh & Mclennan Cos Inc · NASDAQ
755,000 sh · $152.2M
Filed 30 Sept 2025SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
38,785,634 sh · $7.82B
Filed 30 Sept 2025SEC 13Fview source
DISCLOSEDStale
Renaissance Technologies
Marsh & Mclennan Cos Inc · NASDAQ
1,120,300 sh · $225.8M
Filed 30 Sept 2025SEC 13Fview source
DISCLOSEDStale
Markel Group
Marsh & Mclennan Cos Inc · NASDAQ
748,750 sh · $163.7M
Filed 30 Jun 2025SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
40,273,528 sh · $8.81B
Filed 30 Jun 2025SEC 13Fview source
DISCLOSEDStale
Two Sigma Investments
Marsh & Mclennan Cos Inc · NASDAQ
993,284 sh · $217.2M
Filed 30 Jun 2025SEC 13Fview source
DISCLOSEDStale
Renaissance Technologies
Marsh & Mclennan Cos Inc · NASDAQ
973,931 sh · $212.9M
Filed 30 Jun 2025SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
40,601,219 sh · $9.91B
Filed 31 Mar 2025SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
41,620,471 sh · $8.84B
Filed 31 Dec 2024SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
41,609,881 sh · $9.28B
Filed 30 Sept 2024SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
42,337,144 sh · $8.92B
Filed 30 Jun 2024SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
41,958,346 sh · $8.64B
Filed 31 Mar 2024SEC 13Fview source
DISCLOSEDStale
BlackRock
Marsh & Mclennan Cos Inc · NASDAQ
40,998,157 sh · $7.77B
Filed 31 Dec 2023SEC 13Fview source