Original filing (PDF)20250925171746NAL0009419952001

MONOLITHIC POWER SYSTEMS, INC.

Name: MONOLITHIC POWER SYSTEMS, INC. — MONOLITHIC POWER SYSTEMS, INC. 401(K) SAVINGS PLAN, Form 5500 (2024)
Creator: MONOLITHIC POWER SYSTEMS, INC.

Form 5500

FILING_RECEIVED

MONOLITHIC POWER SYSTEMS, INC. 401(K) SAVINGS PLAN

401(k) retirement plan

Active participants

428

Accounts w/ balance

460

Plan assets (EOY)

$91.0M

Net assets (EOY)

$91.0M

How this plan invests

This plan

46 securities

funds · stocks · CUSIPs

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

Plan health score (directional)

/ 100

Grade A

Top-tier plan health

Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.

Compliance & disclosures

100

Concentration risk

100

Total plan cost

Vendor stack

100

Participation health

100

Helping the score

No Schedule C compensation disclosed — likely a small plan or unbundled.

Decision-maker contacts

CFO / Head of HR / Benefits Manager — verified email + LinkedIn for MONOLITHIC POWER SYSTEMS, INC..

Plan sponsor

Name

MONOLITHIC POWER SYSTEMS, INC.

EIN

77-0466789

Address

79 GREAT OAKS BLVD · SAN JOSE, CA · 95119

Phone

(408) 826-0600

Industry

Manufacturingsee all

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

2025-09-25

Pension benefit codes

2F · ERISA section 404(c)

2G · Total participant-directed accounts

2E · Profit-sharing

2J · 401(k) feature

2K · 401(m) arrangement

2T · Default investment account (QDIA)

3D · Pre-approved plan (master / prototype / VS)

Audit & trust (Schedule H)

Auditor

SILICON VALLEY ACCOUNTANCY CORP

Trustee / custodian

—

Trustee phone

—

Service providers (Schedule C)

1 rows

Recordkeeper

Name	EIN	Location	Relation	Direct comp	Indirect comp
FIDELITY INVESTMENTS INSTITUTIONAL	04-2647786	—	RECORDKEEPER	-$19K	—

Investments

45 direct securities· $89.8M(99% of reported assets)

Investment	Type	Shares / units	Cost	Current value	% of plan
Fidelity Blue Chip Growth Fund Mutual Fund	—	—	—	$9.3M	10.2%
Fidelity 500 Index Fund Mutual Fund	—	—	—	$8.7M	9.5%
Fidelity Growth Company Fund Mutual Fund	—	—	—	$7.8M	8.5%
Fidelity Freedom 2035 Fund Mutual Fund	—	—	—	$6.1M	6.7%
Fidelity Contrafund Fund Mutual Fund	—	—	—	$5.0M	5.5%
Fidelity Freedom 2050 Fund Mutual Fund	—	—	—	$4.4M	4.9%
Fidelity Select Software and IT Services * Portfolio Mutual Fund	—	—	—	$4.4M	4.8%
Fidelity OTC Portfolio Mutual Fund	—	—	—	$3.7M	4.1%
Fidelity Total Market Index Fund Mutual Fund	—	—	—	$3.6M	4.0%
Fidelity Freedom 2030 Fund Mutual Fund	—	—	—	$3.1M	3.4%
Fidelity Government Money Market Fund Mutual Fund	—	—	—	$2.9M	3.2%
Fidelity Freedom 2040 Fund Mutual Fund	—	—	—	$2.2M	2.5%
Fidelity Freedom 2025 Fund Mutual Fund	—	—	—	$1.8M	2.0%
Fidelity Freedom 2045 Fund Mutual Fund	—	—	—	$1.8M	2.0%
Fidelity Freedom 2055 Fund Mutual Fund	—	—	—	$1.7M	1.9%
T. Rowe Price Dividend Growth Fund Mutual Fund	—	—	—	$1.7M	1.8%
Fidelity Extended Market Index Fund Mutual Fund	—	—	—	$1.6M	1.7%
Fidelity Freedom 2060 Fund Mutual Fund	—	—	—	$1.4M	1.5%
Fidelity Low-Priced Stock Fund Mutual Fund	—	—	—	$1.3M	1.4%
Fidelity Real Estate Investment Portfolio Mutual Fund	—	—	—	$1.2M	1.3%
Fidelity Puritan Fund Mutual Fund	—	—	—	$1.1M	1.3%
Fidelity Value Fund Mutual Fund	—	—	—	$1.1M	1.2%
Fidelity Select Medical Technology and * Devices Portfolio Mutual Fund	—	—	—	$1.0M	1.1%
Fidelity U.S. Bond Index Fund Mutual Fund	—	—	—	$1.0M	1.1%
Fidelity Freedom 2020 Fund Mutual Fund	—	—	—	$1.0M	1.1%
JPMorgan Equity Income Fund Mutual Fund	—	—	—	$896K	1.0%
Janus Henderson Enterprise Fund Mutual Fund	—	—	—	$887K	1.0%
Fidelity Select Energy Portfolio Mutual Fund	—	—	—	$875K	1.0%
Fidelity Total Bond Fund Mutual Fund	—	—	—	$860K	0.9%
Fidelity Small Cap Discovery Fund Mutual Fund	—	—	—	$735K	0.8%
Fidelity Small Cap Value Fund Mutual Fund	—	—	—	$656K	0.7%
Fidelity International Index Fund Mutual Fund	—	—	—	$652K	0.7%
Fidelity Select Consumer Staples Portfolio Mutual Fund	—	—	—	$642K	0.7%
Virtus Newfleet Multi-Sector Short Term * Bond Fund Mutual Fund	—	—	—	$621K	0.7%
Virtus AllianzGI Focused Growth Fund Mutual Fund	—	—	—	$619K	0.7%
American Century Small Cap Growth Fund Mutual Fund	—	—	—	$560K	0.6%
Fidelity Diversified International Fund Mutual Fund	—	—	—	$558K	0.6%
Fidelity Balanced Fund Mutual Fund	—	—	—	$524K	0.6%
Fidelity Overseas Fund Mutual Fund	—	—	—	$504K	0.6%
Fidelity Select Chemicals Portfolio Mutual Fund	—	—	—	$381K	0.4%
Fidelity Freedom 2010 Fund Mutual Fund	—	—	—	$327K	0.4%
Fidelity China Region Fund Mutual Fund	—	—	—	$322K	0.4%
Fidelity Freedom 2065 Fund Mutual Fund	—	—	—	$144K	0.2%
Fidelity Freedom Income Fund Mutual Fund	—	—	—	$87K	<0.1%
Fidelity Freedom 2015 Fund Mutual Fund	—	—	—	$78K	<0.1%