WEST PALM BEACH, FL
MONOLITHIC POWER SYSTEMS, INC.MPWR— Latest position per institution from SEC 13F filings
15
Institutional holders
41.68M
Total shares held
49.09B
Estimated value
2.08M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
6.03M
Value
5.47B
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.91M
Value
4.85B
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
5.59M
Value
7.73B
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
5.18M
Value
7.16B
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.13M
Value
4.32B
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.50M
Value
3.46B
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
2.34M
Value
3.24B
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.28M
Value
3.16B
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.20M
Value
1.65B
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
976.80K
Value
1.35M
Filed
Jun 30, 2026
FRANKLIN TEMPLETON INC
CIK 38777
Shares
811.97K
Value
1.12B
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
791.25K
Value
1.09B
Filed
Jun 30, 2026
NORGES BANK
CIK 1374170
Shares
751.40K
Value
1.04B
Filed
Jun 30, 2026
VAN ECK ASSOCIATES CORP
CIK 869178
Shares
746.24K
Value
1.03B
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
727.88K
Value
1.01B
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
721.62K
Value
788.99K
Filed
Mar 31, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
536.24K
Value
741.27M
Filed
Jun 30, 2026
ROYAL BANK OF CANADA
CIK 1000275
Shares
487.21K
Value
673.50M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
487.08K
Value
673.31M
Filed
Jun 30, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
482.78K
Value
667.38M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 6.03M | 5.47B | Dec 31, 2025 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 5.91M | 4.85B | Jun 30, 2024 |
| 3 | BLACKROCK, INC. | 2012383 | 5.59M | 7.73B | Jun 30, 2026 |
| 4 | FMR LLC | 315066 | 5.18M | 7.16B | Jun 30, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.13M | 4.32B | Jun 30, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.50M | 3.46B | Jun 30, 2026 |
| 7 | INVESCO LTD. | 914208 | 2.34M | 3.24B | Jun 30, 2026 |
| 8 | STATE STREET CORP | 93751 | 2.28M | 3.16B | Jun 30, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.20M | 1.65B | Jun 30, 2026 |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 976.80K | 1.35M | Jun 30, 2026 |
| 11 | FRANKLIN TEMPLETON INC | 38777 | 811.97K | 1.12B | Jun 30, 2026 |
| 12 | GOLDMAN SACHS GROUP INC | 886982 | 791.25K | 1.09B | Jun 30, 2026 |
| 13 | NORGES BANK | 1374170 | 751.40K | 1.04B | Jun 30, 2026 |
| 14 | VAN ECK ASSOCIATES CORP | 869178 | 746.24K | 1.03B | Jun 30, 2026 |
| 15 | MORGAN STANLEY | 895421 | 727.88K | 1.01B | Jun 30, 2026 |
| 16 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 721.62K | 788.99K | Mar 31, 2026 |
| 17 | BANK OF AMERICA CORP /DE/ | 70858 | 536.24K | 741.27M | Jun 30, 2026 |
| 18 | ROYAL BANK OF CANADA | 1000275 | 487.21K | 673.50M | Jun 30, 2026 |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 487.08K | 673.31M | Jun 30, 2026 |
| 20 | FIRST TRUST ADVISORS LP | 1125816 | 482.78K | 667.38M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.