MPWR

Monolithic Power Systems Inc · NASDAQ NMS - GLOBAL MARKET · Semiconductors

$1191.22+$11.19 (+0.95%)

Prices delayed up to 5 minutes

AC Intelligence

AC Intelligence for MPWR is being prepared.

Key Stats

Open

$1179.21

Day High

$1194.73

Day Low

$1153.17

Prev Close

$1180.03

Volume

Avg Volume

—

Day Change

+$11.19

Change %

+0.95%

Fundamentals

P/E

88.4

P/B

12.30

EPS (TTM)

$12.86

Div Yield

0.76%

Market Cap

$54937.99T

52-Wk Range

$438.86 — $1256.22

What is P/E? →Stock fundamentals explained →

Earnings History

Insider Activity

Who Owns This Stock

Who Owns MPWR

Passive / Index37.0%11 holders

Other35.5%923 holders

Quality / Compounder20.6%42 holders

Dealer / Bank10.1%37 holders

Income / Defensive2.0%24 holders

Growth / Momentum0.8%1 holder

Based on Q4 2025 13F filings + AC behavioral model

1,051 institutional holders

Top Holders

1.▼Vanguard Grouppassive_index

-1.0%$5038858.6B

2.▲Fidelity Managementquality_compounder

+13.3%$3086738.1B

3.▲BlackRock, Inc.passive_index

$2731717.4B

4.★State Streetdealer_bank

$1979609.5B

5.▲Geode Capital Managementpassive_index

+869.2%$1123264.6B

6.▼FRANKLIN RESOURCES INCquality_compounder

-0.8%$925923.0B

7.▲BlackRock, Inc.passive_index

+660.0%$890982.7B

8.★NORGES BANKquality_compounder

$658656.3B

9.▲FIRST TRUST ADVISORS LPpassive_index

+56.6%$635770.4B

10.▲Invesco Ltdpassive_index

$618075.1B

11.▲Invesco Ltdpassive_index

$604796.8B

12.★BROWN ADVISORY INCother_unclassified

$428611.5B

13.▲BlackRock, Inc.passive_index

+837.5%$417819.3B

14.▲MASSACHUSETTS FINANCIAL SERVICES CO /MA/quality_compounder

$395557.3B

15.▼UBS Group AGdealer_bank

-9.7%$388169.5B

16.▲Barclays PLCdealer_bank

+23.8%$371408.2B

17.★JPMORGAN CHASE & COdealer_bank

$360162.7B

18.▲Rafferty Asset Management, LLCgrowth_momentum

+4.5%$359339.1B

19.▲BlackRock, Inc.passive_index

+689.8%$352017.5B

20.★Northern Trust Corpdealer_bank

$349143.5B

Institutional Pressure

Market Regime:Strong Risk-Off (-0.62)

SELLINGBUYING

▲

Neutral

Passive / Index(37.0%)

●

Holds

Other(35.5%)

●

—

Quality / Compounder(20.6%)

●

Holds through

Dealer / Bank(10.1%)

●

Facilitating

Income / Defensive(2.0%)

●

Inflows (flight to yield)

Growth / Momentum(0.8%)

●

Likely trimming

Tactical / Macro(0.3%)

●

Reducing rapidly

Systematic / Quant(0.3%)

●

De-risking (mechanical)

Activist(0.1%)

●

May accumulate

Deep Value(0.0%)

●

Possible buyer

58% passive + quality floor won't sell.

Updated daily · Based on Q4 2025 filings + AC behavioral model

Sentiment Signals

→Insider ActivityNo insider transactions in last 90 daysSEC Form 4

↑↑Analyst Consensus22 buy, 3 hold, 0 sellFinnhub

↑↑Inst. Flows1029 increased/new, 486 decreased/exited (13F)AC 13F Analysis

Sources: SEC Form 4, Finnhub, AC 13F Analysis

On AcidCapitalist

No recent mentions of MPWR on AcidCapitalist.

Data provided by Finnhub. Prices delayed up to 5 minutes.