MARSH & MCLENNAN COMPANIES, INC. - COM (MRSH)
CUSIP: 571748102
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / COM
- Total 13F shares
- 438,207,548
- Share change
- +439,061
- Total reported value
- $76,029,579,239
- Put/Call ratio
- 50%
- Price per share
- $173.45
- Number of holders
- 1,493
- Value change
- -$111,856,740
- Number of buys
- 708
- Number of sells
- 723
Quarterly Holders Quick Answers
What is CUSIP 571748102?
CUSIP 571748102 identifies MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
- Previous quarter: Q4 2025
Recent filing periods for CUSIP 571748102:
Top shareholders of MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
—
class O/S missing
|
46,589,633
|
$8,643,308,715 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
—
class O/S missing
|
40,444,949
|
$7,503,346,915 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
—
class O/S missing
|
21,871,937
|
$4,057,681,752 | — | 31 Dec 2025 | |
| Capital International Investors |
13F
|
Company |
—
class O/S missing
|
18,766,815
|
$3,482,556,927 | — | 31 Dec 2025 | |
| Capital World Investors |
13F
|
Company |
—
class O/S missing
|
16,925,131
|
$3,140,284,012 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
—
class O/S missing
|
15,997,880
|
$2,967,926,698 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
—
class O/S missing
|
15,225,442
|
$2,824,623,888 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
11,644,025
|
$2,154,771,999 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
—
class O/S missing
|
9,217,878
|
$1,710,101,000 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
—
class O/S missing
|
8,662,457
|
$1,607,059,021 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
—
class O/S missing
|
8,386,530
|
$1,555,869,046 | — | 31 Dec 2025 | |
| Capital Research Global Investors |
13F
|
Company |
—
class O/S missing
|
7,987,794
|
$1,481,895,543 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
—
class O/S missing
|
6,870,731
|
$1,274,658,622 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
—
class O/S missing
|
5,522,563
|
$1,024,545,932 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
—
class O/S missing
|
5,297,560
|
$982,803,331 | — | 31 Dec 2025 | |
| Clearbridge Investments, LLC |
13F
|
Company |
—
class O/S missing
|
5,076,693
|
$941,814,758 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
—
class O/S missing
|
4,790,808
|
$888,458,849 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
—
class O/S missing
|
4,545,663
|
$843,311,400 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
—
class O/S missing
|
4,278,658
|
$793,776,912 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
—
class O/S missing
|
4,015,180
|
$744,896,328 | — | 31 Dec 2025 | |
| Mawer Investment Management Ltd. |
13F
|
Company |
—
class O/S missing
|
3,905,686
|
$724,582,867 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
—
class O/S missing
|
3,858,156
|
$715,765,073 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
—
class O/S missing
|
3,787,465
|
$702,650,507 | — | 31 Dec 2025 | |
| Ninety One UK Ltd |
13F
|
Company |
—
class O/S missing
|
3,542,004
|
$657,112,515 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
—
class O/S missing
|
3,460,878
|
$642,062,001 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
—
class O/S missing
|
3,368,181
|
$624,864,939 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
—
class O/S missing
|
3,364,627
|
$624,205,601 | — | 31 Dec 2025 | |
| Artisan Partners Limited Partnership |
13F
|
Company |
—
class O/S missing
|
3,357,826
|
$622,943,880 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
—
class O/S missing
|
3,321,700
|
$616,241,703 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
—
class O/S missing
|
3,167,895
|
$587,708,000 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
—
class O/S missing
|
3,146,169
|
$583,677,267 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
2,950,894
|
$547,449,855 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
—
class O/S missing
|
2,757,045
|
$511,486,988 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
—
class O/S missing
|
2,596,011
|
$481,611,960 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
—
class O/S missing
|
2,444,666
|
$453,534,610 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
—
class O/S missing
|
2,330,508
|
$432,356,149 | — | 31 Dec 2025 | |
| PARNASSUS INVESTMENTS, LLC |
13F
|
Company |
—
class O/S missing
|
2,173,621
|
$403,250,168 | — | 31 Dec 2025 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
—
class O/S missing
|
2,158,391
|
$400,427,584 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
—
class O/S missing
|
2,029,841
|
$376,624,178 | — | 31 Dec 2025 | |
| Longview Partners (Guernsey) LTD |
13F
|
Company |
—
class O/S missing
|
2,017,195
|
$374,230,016 | — | 31 Dec 2025 | |
| London & Capital Asset Management Ltd |
13F
|
Company |
—
class O/S missing
|
1,900,000
|
$352,668,506 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
—
class O/S missing
|
1,839,229
|
$341,213,764 | — | 31 Dec 2025 | |
| Navera Investment Management Ltd. |
13F
|
Company |
—
class O/S missing
|
1,753,917
|
$325,494,222 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
1,716,766
|
$318,494,428 | — | 31 Dec 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
1,709,219
|
$317,094,307 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
—
class O/S missing
|
1,554,402
|
$288,372,660 | — | 31 Dec 2025 | |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
|
Company |
—
class O/S missing
|
1,526,227
|
$283,250,879 | — | 31 Dec 2025 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
—
class O/S missing
|
1,520,164
|
$282,020,825 | — | 31 Dec 2025 | |
| AKO CAPITAL LLP |
13F
|
Company |
—
class O/S missing
|
1,484,860
|
$275,471,000 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
1,478,019
|
$274,201,987 | — | 31 Dec 2025 |
Institutional Holders of MARSH & MCLENNAN COMPANIES, INC. - COM (MRSH) as of Q1 2026
As of 31 Mar 2026,
MARSH & MCLENNAN COMPANIES, INC. - COM (MRSH) was held by
1,493 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
438,207,548 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD CAPITAL MANAGEMENT LLC, STATE STREET CORP, Capital World Investors, WELLINGTON MANAGEMENT GROUP LLP, Capital International Investors, GEODE CAPITAL MANAGEMENT, LLC, VANGUARD PORTFOLIO MANAGEMENT LLC, Capital Research Global Investors, and PRICE T ROWE ASSOCIATES INC /MD/.
This page lists
1,499
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
1,573
Q1 2026 holders
1,493
Holder diff
-80
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.