How big is MESO Scale Diagnostics, LLC's plan?

MESO Scale Diagnostics, LLC's plan reported $148.5M in assets and 1,044 participants for 2024.

Original filing (PDF)20250923150620NAL0015144194001

MESO Scale Diagnostics, LLC

Name: MESO Scale Diagnostics, LLC — MESO Scale Diagnostics, Form 5500 (2024)
Creator: MESO Scale Diagnostics, LLC
License: https://www.usa.gov/government-works

Form 5500

FILING_RECEIVED

MESO Scale Diagnostics 401(k) Plan

401(k) retirement plan · MESO Scale Diagnostics, LLC's MESO Scale Diagnostics 401(k) Plan held $148.5M in plan assets for 1,044 participants in 2024, with Fidelity as recordkeeper.

Signals · 2

Late participant contributionsCorrective distributions issued

Active participants

1,044

Accounts w/ balance

1,325

Plan assets (EOY)

$148.5M

Net assets (EOY)

$148.5M

People on this filing

Thomas Sanderson signed MESO Scale Diagnostics, LLC's 2024 Form 5500 as plan administrator.

Thomas Sanderson — Plan Administrator — Form 5500 signer

Get verified email & phone for these signers

Signer names are public record from the Form 5500 e-signature.

Plan identifiers

MESO Scale Diagnostics, LLC's EIN is 52-1974952.

EIN 52-1974952

Plan number 001

Plan year 2024

ACK ID 20250923150620NAL0015144194001

Official Form 5500 document

Download the official 2024 Form 5500 (PDF) for MESO Scale Diagnostics, LLC from the U.S. Department of Labor's EFAST2 system.

Download the official 2024 Form 5500 (PDF)

Plan features

MESO Scale Diagnostics, LLC's plan includes profit-sharing, a 401(k) feature, a default investment (QDIA), ERISA 404(c) participant direction.

Decision-maker contacts

One unlock reveals every key decision-maker — plan signer, CFO, HR & Benefits — with verified email + LinkedIn for MESO SCALE DIAGNOSTICS, LLC.

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How this plan invests

This plan

31 securities

funds · stocks · CUSIPs

Holdings are itemized directly on this plan's Schedule of Assets, below.

Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool.

Compliance & integrity

Total plan cost

Plan health

Vendor & structure

100

Knocking points off

Delinquent participant contributions reported (Schedule H 4a) — 0K (0% of contributions).
Corrective distributions issued (likely failed ADP/ACP testing).

Helping the score

Below-peer total plan cost (99th percentile).

Plan sponsor

Name

MESO SCALE DIAGNOSTICS, LLC

EIN

all filings

Address

1601 RESEARCH BLVD · ROCKVILLE, MD · 20850

Phone

(240) 314-2670

Industry

Manufacturing

Plan administrator

Same as plan sponsor.

Plan characteristics

Plan number

001

Plan year

2024

Plan year begin

2024-01-01

Tax period

2024-12-31

Filed

2025-09-23

Pension benefit codes

2E · Profit-sharing

2G · Total participant-directed accounts

2J · 401(k) feature

2K · 401(m) arrangement

2T · Default investment account (QDIA)

3B · Covers self-employed individuals

3F · Sponsor used leased employees

2F · ERISA section 404(c)

Service providers (Schedule C)

2 rows

Recordkeeper

Name	EIN	Location	Relation	Direct comp	Indirect comp
FIDELITY INVESTMENTS INSTITUTIONAL	04-2647786	—	RECORDKEEPER	-$30K	—

Advisor / Consultant

Name	EIN	Location	Relation	Direct comp	Indirect comp
STRATEGIC ADVISORS, INC.	04-2654524	—	ADVISOR	$9K	—

Investments

31 direct securities· $148.5M(100% of reported assets)

Mutual Funds

$110.4M

20 holdings

Common Collective Trusts

$27.3M

4 holdings

Other securities

$9.9M

6 holdings

Bonds / Notes

$903K

1 holding

					% of plan
Fidelity 500 Index Fund Mutual Fund NR	Common Collective Trusts	—	—	$22.1M	14.9%
Fidelity Contrafund Mutual Fund NR	Mutual Funds	—	—	$16.5M	11.1%
Fidelity Freedom 2035 Fund Mutual Fund NR	Mutual Funds	—	—	$16.5M	11.1%
Fidelity Freedom 2030 Fund Mutual Fund NR	Mutual Funds	—	—	$10.6M	7.2%
Fidelity Freedom 2040 Fund Mutual Fund NR	Mutual Funds	—	—	$9.9M	6.6%
Fidelity Freedom 2050 Fund Mutual Fund NR	Mutual Funds	—	—	$9.6M	6.5%
Fidelity Freedom 2045 Fund Mutual Fund NR	Mutual Funds	—	—	$9.4M	6.3%
Fidelity Freedom 2055 Fund Mutual Fund NR	Mutual Funds	—	—	$5.7M	3.9%
Fidelity Small Cap Growth Fund Mutual Fund NR	Mutual Funds	—	—	$5.4M	3.6%
Fidelity Freedom 2020 Fund Mutual Fund NR	Mutual Funds	—	—	$4.6M	3.1%
Fidelity Freedom 2060 Fund Mutual Fund NR	Mutual Funds	—	—	$4.5M	3.1%
Fidelity Freedom 2070 Fund Mutual Fund NR 420 * Fidelity Government Money Market Fund Mutual Fund NR	Mutual Funds	—	—	$4.5M	3.0%
Fidelity Freedom 2025 Fund Mutual Fund NR	Mutual Funds	—	—	$4.4M	3.0%
Eaton Vance Large Cap Value Fund Mutual Fund NR	Other securities	—	—	$2.8M	1.9%
Baron Asset Fund Mutual Fund NR	Other securities	—	—	$2.6M	1.7%
Fidelity Extended Market Index Fund Mutual Fund NR	Common Collective Trusts	—	—	$2.6M	1.7%
Fidelity International Discovery Fund Mutual Fund NR	Mutual Funds	—	—	$2.1M	1.4%
Fidelity Low-Priced Stock Fund Mutual Fund NR	Mutual Funds	—	—	$2.1M	1.4%
Fidelity International Index Fund Mutual Fund NR	Common Collective Trusts	—	—	$1.8M	1.2%
PIMCO Total Return Fund Mutual Fund NR	Mutual Funds	—	—	$1.8M	1.2%
PGIM High Yield Fund Mutual Fund NR	Other securities	—	—	$1.6M	1.1%
Fidelity Freedom 2065 Fund Mutual Fund NR	Mutual Funds	—	—	$1.3M	0.9%
Oakmark Equity and Income Fund Mutual Fund NR	Other securities	—	—	$1.2M	0.8%
Allspring Emerging Markets Equity Fund Mutual Fund NR	Other securities	—	—	$1.0M	0.7%
Fidelity Government Income Fund Mutual Fund NR	Mutual Funds	—	—	$950K	0.6%
Various, bearing interest at * Participant loans 3.25% - 9.50% -	Bonds / Notes	—	—	$903K	0.6%
Fidelity Inflation-Protected Bond Index Fund Mutual Fund NR	Common Collective Trusts	—	—	$770K	0.5%
Northern Small Cap Value Fund Mutual Fund NR	Other securities	—	—	$664K	0.4%
Fidelity Freedom Income Fund Mutual Fund NR	Mutual Funds	—	—	$320K	0.2%
Fidelity Freedom 2015 Fund Mutual Fund NR	Mutual Funds	—	—	$184K	0.1%
Fidelity Freedom 2010 Fund Mutual Fund NR	Mutual Funds	—	—	$50K	<0.1%