MPWR
Common Stock

Monolithic Pwr Sys INC

As of Jun 30, 2026 CUSIP 609839105
Institutional Holders
1,258
Total Held Value
$65.45B
Total Exact Shares
47.49M
Largest Holder
BlackRock
5.59M shares • $7.73B
Reported Holders1,258
Filings dated Jun 30, 2026 unless marked
# Trend (4Q)
1 BlackRock $7.73B 0.1% -7.9% 5.59M Jun 30, 2026
2 Fidelity (FMR) $7.16B 0.3% +17.6% 5.18M Jun 30, 2026
3 Vanguard Capital Management $4.32B 0.1% +1.4% 3.13M Jun 30, 2026
4 Vanguard Portfolio Management $3.46B 0.2% -0.5% 2.50M Jun 30, 2026
5 Invesco $3.24B 0.3% — 2.34M — Jun 30, 2026
6 State Street $3.16B 0.1% +4.3% 2.28M Jun 30, 2026
7 Geode Capital Management $1.65B 0.1% -16.5% 1.20M Jun 30, 2026
8 T. Rowe Price Associates $1.35B 0.1% -22.7% 976.8K Jun 30, 2026
9 Franklin Resources $1.12B 0.2% -12.6% 812.0K Jun 30, 2026
10 Goldman Sachs Group $1.08B 0.1% +37.4% 780.6K Jun 30, 2026
11 Norges Bank $1.04B 0.1% — 751.4K — Jun 30, 2026
12 Van Eck Associates $1.03B 0.6% +42.3% 746.2K Jun 30, 2026
13 Morgan Stanley $1.01B 0.1% +10.9% 727.9K Jun 30, 2026
14 Bank of America $741.3M <0.1% +40.3% 536.2K Jun 30, 2026
15 Royal Bank of Canada $673.5M 0.1% +2.9% 487.2K Jun 30, 2026
16 First Trust Advisors $667.4M 0.4% -18.4% 482.8K Jun 30, 2026
17 Northern Trust $662.8M 0.1% -2.0% 479.5K Jun 30, 2026
18 Barclays $655.4M 0.1% -14.7% 474.1K Jun 30, 2026
19 Rafferty Asset Management $634.9M 1.4% +44.7% 459.3K Jun 30, 2026
20 UBS Group $621.3M 0.1% -16.8% 449.5K Jun 30, 2026
Exited in Latest Filing85
# Fund Prior Value Prior % of Fund Change Prior Shares Trend (4Q) Exit Report
Each exit is an immediately prior-filing position absent from that manager's latest published filing. Prior values are shown for context and are not included in current totals.