MONOLITHIC POWER SYSTEMS, INC.

PublicCIK: 1280452
MPWRNASDAQ
Location

WEST PALM BEACH, FL

13F Filings

Institutional Holders

MONOLITHIC POWER SYSTEMS, INC.MPWR— Latest position per institution from SEC 13F filings

15

Institutional holders

137.16M

Total shares held

48.42B

Estimated value

6.86M

Avg. position size

1

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

95.96M

Value

69.42K

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

6.03M

Value

5.47B

Filed

Dec 31, 2025

3

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

5.91M

Value

4.85B

Filed

Jun 30, 2024

4

BLACKROCK, INC.

CIK 2012383

Shares

5.59M

Value

7.73B

Filed

Jun 30, 2026

5

FMR LLC

CIK 315066

Shares

5.18M

Value

7.16B

Filed

Jun 30, 2026

6

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

3.13M

Value

4.32B

Filed

Jun 30, 2026

7

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

2.50M

Value

3.46B

Filed

Jun 30, 2026

8

INVESCO LTD.

CIK 914208

Shares

2.34M

Value

3.24B

Filed

Jun 30, 2026

9

STATE STREET CORP

CIK 93751

Shares

2.28M

Value

3.16B

Filed

Jun 30, 2026

10

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

1.20M

Value

1.65B

Filed

Jun 30, 2026

11

PRICE T ROWE ASSOCIATES INC /MD/

CIK 80255

Shares

976.80K

Value

1.35M

Filed

Jun 30, 2026

12

FRANKLIN RESOURCES INC

CIK 38777

Shares

811.97K

Value

1.12B

Filed

Jun 30, 2026

13

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

791.25K

Value

1.09B

Filed

Jun 30, 2026

14

NORGES BANK

CIK 1374170

Shares

751.40K

Value

1.04B

Filed

Jun 30, 2026

15

VAN ECK ASSOCIATES CORP

CIK 869178

Shares

746.24K

Value

1.03B

Filed

Jun 30, 2026

16

MORGAN STANLEY

CIK 895421

Shares

727.88K

Value

1.01B

Filed

Jun 30, 2026

17

T. ROWE PRICE INVESTMENT MANAGEMENT, INC.

CIK 1897612

Shares

721.62K

Value

788.99K

Filed

Mar 31, 2026

18

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

536.24K

Value

741.27M

Filed

Jun 30, 2026

19

ROYAL BANK OF CANADA

CIK 1000275

Shares

487.21K

Value

673.50M

Filed

Jun 30, 2026

20

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

487.08K

Value

673.31M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.