All plans

Marsh & Mclennan Companies, Inc. 401(k): best low-cost funds

Marsh & Mclennan Companies 401(k) Savings And Investment Plan · Plan #003 · NEW York, NY

Not financial advice. This page is educational and built from public government filings. Confirm every fund and fee in your plan's official materials before acting.
$7.4Bnet assets (end of plan year)
32,879participants with balances
17,704active participants
2024-12-31plan year end

Suggested simple Boglehead mix

Fund names from the plan's public SEC Form 11-K filed 2025-06-24 (fund list in the annual report). Confirm they are on your current menu and check expense ratios. Adjust the bond share for your age and risk tolerance.

Know this plan's fund menu? Submit it and we'll add a fund-by-fund pick list.

Pooled funds named in the filing (Schedule D)

These are collective trusts and similar pooled funds the plan reported holding. Names that look like index funds are tagged index by keyword, so check them yourself. Mutual funds are not listed by name in the free data.

FundManagerTypePlan's holding
Master Retirement Savings TrustMarsh & Mclennan Companies INCMaster trust$3.5B
T Rowe Price Blue Chip Growth TrustT Rowe PriceCommon/collective trust$540.1M
T Rowe Price Small & Mid-cap CoreT Rowe PriceCommon/collective trust$486.3M
Blackrock Lifepath Index 2050 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$251.7M
Blackrock Lifepath Index 2045 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$227.4M
Blackrock Lifepath Index 2055 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$218.2M
Blackrock Lifepath Index 2035 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$211.1M
Blackrock Lifepath Index 2040 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$201.4M
Blackrock Lifepath Index 2030 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$176.2M
Capital Group Europacific GrowthCapital Bank And Trust CompanyCommon/collective trust$165.4M
Loomis Salyes Plus Fixed INC FundLoomis SalyesCommon/collective trust$159.2M
Blackrock Lifepath Index Retirement indexBlackrock Institutional Trust CO NACommon/collective trust$145.8M
Putnam Large CAP Value Trust IAPutnam Fiduciary Trust Company LLCCommon/collective trust$140.7M
Blackrock Lifepath Index 2060 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$137.3M
Blackrock Lifepath Index 2065 Fund indexBlackrock Institutional Trust CO NACommon/collective trust$57.8M
Ngti Collective Short-term INV FundNorthern Trust Global InvestmentsCommon/collective trust$5.5M
Blackrock Lifepath Index 2025 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2030 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2035 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2040 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2045 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2050 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2055 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2060 Fund indexBlackrock Institutional Trust COCommon/collective trust$0
Blackrock Lifepath Index 2065 Fund indexBlackrock Institutional Trust COCommon/collective trust$0

How plan assets are invested

Category (Schedule H)AmountShare
Registered investment companies (mutual funds)$706.5M9.5%
Common/collective trusts$3.1B42.2%
Master trusts$3.5B47.8%
Participant loans$34.2M0.5%

Fees paid from plan assets

Reported administrative expenses were about 0.000% of average plan assets, or about $0 per participant with a balance. This usually excludes fund expense ratios netted inside mutual funds and trusts.

Source: DOL EFAST2 Form 5500 & Schedules H/D, filing ID 20251006144237NAL0003603617001. EIN 362668272.

FAQ

What are the best low-cost funds in the Marsh & Mclennan Companies, Inc. 401(k)?

Based on public filings, index options include S&P 500 Index Fund (US stocks), Non-U.S. Equity Index Fund (international stocks) and U.S. Bond Index Fund (bonds). Confirm them against your current plan menu and fee disclosure.

Can I build a three-fund portfolio in the Marsh & Mclennan Companies, Inc. 401(k)?

It appears so: the filing lists a US stock index fund, an international index fund and a bond index fund. The split between them depends on your own goals and risk tolerance.

How big is the Marsh & Mclennan Companies, Inc. 401(k) plan?

The plan reported about $7.4B in net assets and 32,879 participants with balances for plan year 2024, according to its DOL Form 5500 filing.

Where does this data come from?

From public U.S. Department of Labor Form 5500 filings (EFAST2) and, where noted, the plan's SEC Form 11-K. Data can be outdated or incomplete, and this page is not financial advice.

Other finance & insurance employers

Other employers in NY

Get the low-cost 401(k) newsletter

Occasional notes on finding the cheapest index funds in your 401(k). To join, email us with "Subscribe".