WEST PALM BEACH, FL
MONOLITHIC POWER SYSTEMS INCMPWR— Latest position per institution from SEC 13F filings
15
Institutional holders
40.77M
Total shares held
38.96B
Estimated value
2.04M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
6.07M
Value
6.64B
Filed
Mar 31, 2026
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
FMR LLC
CIK 315066
Shares
4.40M
Value
4.81B
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.08M
Value
3.37B
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.52M
Value
2.75B
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
2.19M
Value
2.40B
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
1.49M
Value
1.62B
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.43M
Value
1.56B
Filed
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
1.26M
Value
1.38M
Filed
Mar 31, 2026
FRANKLIN RESOURCES INC
CIK 38777
Shares
928.67K
Value
1.02B
Filed
Mar 31, 2026
NORGES BANK
CIK 1374170
Shares
726.71K
Value
658.66M
Filed
Dec 31, 2025
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
721.62K
Value
788.99K
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
656.37K
Value
717.64M
Filed
Mar 31, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
591.35K
Value
646.56M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
568.06K
Value
621.09M
Filed
Mar 31, 2026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 912938
Shares
567.77K
Value
620.75M
Filed
Mar 31, 2026
BARCLAYS PLC
CIK 312069
Shares
555.81K
Value
607.69M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
541.91K
Value
592.50M
Filed
Mar 31, 2026
VAN ECK ASSOCIATES CORP
CIK 869178
Shares
524.57K
Value
573.54K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 6.07M | 6.64B | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 6.03M | 5.47B | Dec 31, 2025 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 5.91M | 4.85B | Jun 30, 2024 |
| 4 | FMR LLC | 315066 | 4.40M | 4.81B | Mar 31, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.08M | 3.37B | Mar 31, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.52M | 2.75B | Mar 31, 2026 |
| 7 | STATE STREET CORP | 93751 | 2.19M | 2.40B | Mar 31, 2026 |
| 8 | INVESCO LTD. | 914208 | 1.49M | 1.62B | Mar 31, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.43M | 1.56B | Mar 31, 2026 |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 1.26M | 1.38M | Mar 31, 2026 |
| 11 | FRANKLIN RESOURCES INC | 38777 | 928.67K | 1.02B | Mar 31, 2026 |
| 12 | NORGES BANK | 1374170 | 726.71K | 658.66M | Dec 31, 2025 |
| 13 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 721.62K | 788.99K | Mar 31, 2026 |
| 14 | MORGAN STANLEY | 895421 | 656.37K | 717.64M | Mar 31, 2026 |
| 15 | FIRST TRUST ADVISORS LP | 1125816 | 591.35K | 646.56M | Mar 31, 2026 |
| 16 | GOLDMAN SACHS GROUP INC | 886982 | 568.06K | 621.09M | Mar 31, 2026 |
| 17 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 912938 | 567.77K | 620.75M | Mar 31, 2026 |
| 18 | BARCLAYS PLC | 312069 | 555.81K | 607.69M | Mar 31, 2026 |
| 19 | UBS GROUP AG | 1610520 | 541.91K | 592.50M | Mar 31, 2026 |
| 20 | VAN ECK ASSOCIATES CORP | 869178 | 524.57K | 573.54K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.