Monolithic Power Systems, Inc.

MPWR · NASDAQ · USD
PoliticiansInstitutionalInsiders

Current holders

PoliticianDisclosed
Donald Trump
R · EXECUTIVE
net $31K – $664K
9 disclosures · 7 bought / 2 sold · last Aug 21, 2026
Markwayne Mullin
R · SENATE · OK
$30K – $100K
$33K – $110K today
2 filings · last Feb 4, 2026
Michael Guest
R · HOUSE · MS
$1K – $15K
$1K – $17K today
1 filing · last Oct 20, 2025
Robert Bresnahan
R · HOUSE · PA
−$14K – $14K
−$27K – $36K today
2 filings · last Apr 8, 2025
Ro Khanna
D · HOUSE · CA
−$203K – $203K
−$544K – $382K today
26 filings · last Jul 27, 2026
Tommy Tuberville
R · SENATE · AL
−$28K – $28K
−$54K – $67K today
4 filings · last May 3, 2024

Recent transactions

Trades from Sep 6, 2022 – Aug 21, 2026
PoliticianTypeFiled afterAmount
Donald Trump
R · EXECUTIVE
Sell
48 days
Aug 21, 2026 → Oct 8, 2026
≥$100K
Donald Trump
R · EXECUTIVE
Sell
67 days
Jul 17, 2026 → Sep 22, 2026
≥$1K
Ro Khanna
D · HOUSE · CA-17
Buy
11 days
Jul 27, 2026 → Aug 7, 2026
≥$1K
Byron Donalds
R · HOUSE · FL-19
Sell
40 days
Jun 5, 2026 → Jul 15, 2026
≥$1K
Ro Khanna
D · HOUSE · CA-17
Buy
18 days
Jun 18, 2026 → Jul 6, 2026
≥$1K
Ro Khanna
D · HOUSE · CA-17
Buy
18 days
May 22, 2026 → Jun 9, 2026
≥$15K
Donald Trump
R · EXECUTIVE
Buy
49 days
Mar 25, 2026 → May 13, 2026
≥$15K
Donald Trump
R · EXECUTIVE
Buy
51 days
Mar 23, 2026 → May 13, 2026
≥$15K
Donald Trump
R · EXECUTIVE
Buy
51 days
Mar 23, 2026 → May 13, 2026
≥$1K
Donald Trump
R · EXECUTIVE
Buy
62 days
Mar 12, 2026 → May 13, 2026
≥$15K

Congressional trading data provided by QuiverQuant

Institutional
Investors holding
1,291
13F shares
48M
Total invested
$66.1B
Ownership
97.8%
New positions
217
Closed positions
99
Increased positions
638
Reduced positions
471
Put/Call ratio
1.26
HolderReportedSharesValueΔ Qtr
BLACKROCK, INC.8/7/20265.6M$7.7B−7.95%
FMR LLC8/13/20265.2M$7.2B+17.64%
VANGUARD CAPITAL MANAGEMENT LLC8/13/20263.1M$4.3B+1.40%
VANGUARD PORTFOLIO MANAGEMENT LLC8/13/20262.5M$3.5B−0.46%
INVESCO LTD.8/14/20262.3M$3.2B+127.37%
STATE STREET CORP9/22/20262.3M$3.2B+4.28%
GEODE CAPITAL MANAGEMENT, LLC8/12/20261.2M$1.6B−16.53%
PRICE T ROWE ASSOCIATES INC /MD/8/14/2026976.8K$1.4B−22.66%
FRANKLIN RESOURCES INC8/13/2026812K$1.1B−12.57%
GOLDMAN SACHS GROUP INC8/14/2026780.6K$1.1B+37.42%
NORGES BANK8/12/2026751.4K$1.0B—
VAN ECK ASSOCIATES CORP8/14/2026746.2K$1.0B+42.26%
MORGAN STANLEY8/13/2026727.9K$1.0B+10.90%
BANK OF AMERICA CORP /DE/8/14/2026536.2K$741.3M+40.32%
ROYAL BANK OF CANADA8/14/2026487.2K$673.5M+2.92%
FIRST TRUST ADVISORS LP8/11/2026482.8K$667.4M−18.36%
NORTHERN TRUST CORP8/13/2026479.5K$662.8M−1.97%
BARCLAYS PLC8/14/2026474.1K$655.4M−14.70%
RAFFERTY ASSET MANAGEMENT, LLC8/14/2026459.3K$634.9M+44.67%
UBS GROUP AG8/13/2026449.5K$621.3M−16.83%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/8/3/2026442.2K$611.2M−22.12%
JPMORGAN CHASE & CO8/12/2026434.9K$571.0M−21.62%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC8/14/2026389K$537.7M+3.34%
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.8/14/2026389K$537.7M—
LEGAL & GENERAL GROUP PLC8/14/2026359.9K$497.6M−5.30%

Insider transactions

InsiderTypeTransactedPriceDate
Hsing MichaelS-SALE130$1,356.94Sep 28
Hsing MichaelS-SALE596$1,323.31Sep 28
Hsing MichaelS-SALE1.1K$1,333.34Sep 28
Hsing MichaelS-SALE2.1K$1,328.54Sep 28
Hsing MichaelS-SALE2.9K$1,338.66Sep 28
Hsing MichaelS-SALE5.8K$1,343.76Sep 28
Hsing MichaelS-SALE6.3K$1,347.15Sep 28
Hsing MichaelS-SALE11K$1,351.43Sep 28
Tseng SariaG-GIFT2K—Aug 31
Tseng SariaG-GIFT2K—Aug 31