MPWR

MONOLITHIC POWER SYSTEMS INC

Nasdaq · Semiconductors & Related Devices · Inc. DE · CIK 0001280452
$1,481.05 -10.38% $81.2B
Insider Selling Cluster (5 insiders)High Impact Filing (8/10)
Vol
Market Cap$81.2B
Cap SizeLarge Cap
Analyst ConsensusStrong Buy (88%)
Inst. Holders8 funds
Inst. Value$11.2B
Inst. Activity2 buys / 1 sells
Insider Activity0B / 32S
Insider Net $-$239.3M
Reddit Sentiment63° Warm
SEC Reports20
Press Releases1
Congressional3 trades
Exchange Nasdaq·Sector Semiconductors & Related Devices·Inc. DE·CIK 0001280452·Prev Close $1,652.60

Recent Activity

Jun 3, 2026 SEC
Four MPWR insiders sold a total of $13.76M in open-market sales over a 7-day window, led by EVP & General Counsel Tseng
CLUSTER — Impact 2/10
Jun 2, 2026 SEC
Three MPWR insiders sold a total of $13.71M in shares over a 7-day window, led by EVP & General Counsel Saria Tseng's $1
CLUSTER — Impact 2/10
Jun 1, 2026 Insider
Sciammas Maurice sold 30 shares
EVP, WW Sales & Marketing @ $1,533.95 ($46.0K)
May 29, 2026 SEC
Three MPWR insiders sold a total of $13.71M in open-market transactions over a 7-day window. The largest sale ($12.86M)
CLUSTER — Impact 2/10
May 29, 2026 Insider
Sciammas Maurice sold 12,472 shares
EVP, WW Sales & Marketing @ $0.00 ($0.00)
May 27, 2026 Insider
Tseng Saria sold 7,565 shares
EVP & General Counsel @ $1,700.00 ($12.9M)
Inst.
NORGES BANK — NEW
726,705 shares ($658.7M)
Inst.
TWO SIGMA INVESTMENTS, LP — NEW
2,000 shares ($1.8M)

Price Targets

$1,797.14 +21.3% upside Strong Buy
Current $1,481.05 Low $1,500.00 Median $1,812.50 High $2,000.00 14 analysts
$1,500.00 $2,000.00

Analyst Ratings

Strong Buy88% buy · 25 analysts
8Strong Buy
14Buy
3Hold
0Sell
0Strong Sell
Recent Analyst Actions
DateFirmActionRating
May 1, 2026 TD Cowen MAINTAIN Buy → Buy
May 1, 2026 Wells Fargo MAINTAIN Overweight → Overweight
May 1, 2026 Keybanc MAINTAIN Overweight → Overweight
May 1, 2026 Rosenblatt MAINTAIN Neutral → Neutral
May 1, 2026 Needham MAINTAIN Buy → Buy

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Next Q $6.41 ▲ +13.9% $6.21 — $6.62 36% YoY 15
Current Q $5.86 ▲ +13.7% $5.82 — $6.05 39% YoY 15
Current FY $24.02 ▲ +11.6% $23.64 — $24.91 35% YoY 15
Next FY $30.16 ▲ +16.7% $27.72 — $34.97 26% YoY 15

Top Institutional Holders

FundValueMove
VANGUARD GROUP INC$5.5B
FMR LLC$3.6B
NORGES BANK$658.7MNEW
MORGAN STANLEY$588.3M
BANK OF AMERICA CORP$498.1M

Recent Insider Trades

DateInsiderTypeValue
Jun 1, 2026Sciammas MauriceSELL$46.0K
May 29, 2026Sciammas MauriceG$0.00
May 27, 2026Tseng SariaSELL$12.9M
May 26, 2026Zhou JeffSELL$816.5K
May 26, 2026DEAN ROBERTSELL$36.3K

Reddit Sentiment

63°
Warm
Bearish Neutral Bullish
4 mentions 2 bullish 0 bearish

Congressional Trades

1 members: 3 buys, 0 sells
MemberPartyTypeAmount
Markwayne MullinRBUY$15,001 - $50,000
Markwayne MullinRBUY$15,001 - $50,000
Markwayne MullinRBUY$15,001 - $50,000
8 institutional holders with $11.2B total value (12,381,705 shares) as of 2025-Q4. Top holders: VANGUARD, FMR, NORGES. Net buying activity: 2 institutions added/increased vs 1 reduced.

Top Institutional Holders — 2025-Q4

#FundSharesValue% of TrackedLast Move
1VANGUARD GROUP INC6,034,394$5.5B48.7%
2FMR LLC3,977,008$3.6B32.1%
3NORGES BANK726,705$658.7M5.9%NEW
4MORGAN STANLEY649,070$588.3M5.2%
5BANK OF AMERICA CORP /DE/549,575$498.1M4.4%
6CHARLES SCHWAB INVESTMENT MANAGEMENT INC365,384$331.2M3.0%NEW
7WELLS FARGO & COMPANY/MN77,569$70.3M0.6%
8TWO SIGMA INVESTMENTS, LP2,000$1.8M0.0%NEW

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
NORGES BANKNEW726,705$658.7M2025-Q4
TWO SIGMA INVESTMENTS, LPNEW2,000$1.8M2025-Q4
RENAISSANCE TECHNOLOGIES LLCEXIT8,0860-100.0%$0.002025-Q4
RENAISSANCE TECHNOLOGIES LLCNEW8,086$7.4M2025-Q3
NORGES BANKEXIT598,8870-100.0%$0.002025-Q3
NORGES BANKNEW598,887$438.0M2025-Q2
UBS Group AGADD393,290502,536+27.8%$367.5M2025-Q2
CITADEL ADVISORS LLCTRIM318,710178,675-43.9%$103.6M2025-Q1
NORGES BANKEXIT834,5570-100.0%$0.002025-Q1
UBS Group AGADD212,422410,572+93.3%$242.9M2024-Q4
CITADEL ADVISORS LLCDOUBLED85,654318,710+272.1%$188.6M2024-Q4
CHARLES SCHWAB INVESTMENT MANAGEMENT INCNEW314,264$290.5M2024-Q3
12 unique insiders with 32 transactions. Net insider value: -$239.3M ($0.00 bought, $239.3M sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
Jun 1, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL30$1,533.95$46.0K
May 29, 2026Sciammas MauriceEVP, WW Sales & MarketingG12,472$0.00$0.00
May 27, 2026Tseng SariaEVP & General CounselSELL7,565$1,700.00$12.9M
May 26, 2026Zhou JeffDirectorSELL486$1,680.00$816.5K
May 26, 2026DEAN ROBERT W IIInterim CFOSELL22$1,649.56$36.3K
May 22, 2026Tseng SariaEVP & General CounselSELL5,000$1,586.43$7.9M
May 22, 2026Tseng SariaEVP & General CounselG200$0.00$0.00
May 18, 2026DEAN ROBERT W IIInterim CFOSELL4$1,563.28$6.3K
May 18, 2026Hsing MichaelCEOSELL3,424$1,462.61$5.0M
May 15, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL3,741$1,550.36$5.8M
May 13, 2026Sciammas MauriceEVP, WW Sales & MarketingG1,563$0.00$0.00
May 13, 2026DEAN ROBERT W IIInterim CFOJ2,156$0.00$0.00
May 6, 2026Wynne EileenDirectorSELL335$1,582.68$530.2K
May 6, 2026Zhou JeffDirectorSELL500$1,650.00$825.0K
May 6, 2026Elmiger Eugen JDirectorSELL320$1,559.88$499.2K
May 6, 2026Xiao DemingEVP, Global OperationsSELL3,329$1,648.38$5.5M
May 5, 2026Zhou JeffDirectorSELL514$1,574.48$809.3K
May 5, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL380$1,583.81$601.8K
May 4, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL30$1,588.73$47.7K
Apr 8, 2026Tseng SariaEVP & General CounselSELL560$1,266.48$709.2K
Apr 6, 2026Tseng SariaEVP & General CounselSELL244$1,139.96$278.2K
Apr 1, 2026Tseng SariaEVP & General CounselSELL576$1,131.24$651.6K
Apr 1, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL30$1,116.44$33.5K
Mar 30, 2026Tseng SariaEVP & General CounselSELL5,154$1,000.81$5.2M
Mar 20, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL30$1,095.07$32.9K
Feb 12, 2026Hsing MichaelCEOSELL12,731$1,155.71$14.7M
Feb 11, 2026Hsing MichaelCEOSELL363$1,158.71$420.6K
Feb 11, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL200$1,179.98$236.0K
Feb 10, 2026Hsing MichaelCEOSELL4,302$1,132.01$4.9M
Feb 9, 2026Lee Victor KDirectorSELL400$1,212.16$484.9K
Feb 6, 2026Hsing MichaelCEOSELL54,923$1,171.16$64.3M
Feb 6, 2026Tseng SariaEVP & General CounselSELL22,875$1,171.16$26.8M
Feb 6, 2026Sciammas MauriceEVP, WW Sales & MarketingSELL22,875$1,171.16$26.8M
Feb 6, 2026Xiao DemingEVP, Global OperationsSELL22,875$1,171.16$26.8M
Feb 6, 2026BLEGEN THEODOREEVP and CFOSELL21,725$1,171.16$25.4M
Feb 3, 2026CHANG KUO WEI HERBERTDirectorA189$0.00$0.00
Feb 3, 2026Hsing MichaelCEOA136,825$0.00$0.00
Feb 3, 2026Tseng SariaEVP & General CounselA57,170$0.00$0.00
Feb 3, 2026Sciammas MauriceEVP, WW Sales & MarketingA57,170$0.00$0.00
Feb 3, 2026Elmiger Eugen JDirectorA189$0.00$0.00
Feb 3, 2026Xiao DemingEVP, Global OperationsA57,170$0.00$0.00
Feb 3, 2026Lee Victor KDirectorA189$0.00$0.00
Feb 3, 2026BLEGEN THEODOREEVP and CFOA38,745$0.00$0.00
Feb 3, 2026Martinez CarintiaDirectorA189$0.00$0.00
Feb 3, 2026Zhou JeffDirectorA189$0.00$0.00
Feb 3, 2026Wynne EileenDirectorA189$0.00$0.00
Feb 2, 2026BLEGEN THEODOREEVP and CFOSELL220$1,110.58$244.3K
20 SEC filing reports analyzed. Sentiment: 3 bullish, 0 bearish, 0 mixed, 17 neutral. Avg impact: 3.1/10.
NEUTRAL CLUSTER 2/10
Four MPWR insiders sold a total of $13.76M in open-market sales over a 7-day window, led by EVP & Ge
Jun 3, 2026
NEUTRAL CLUSTER 2/10
Three MPWR insiders sold a total of $13.71M in shares over a 7-day window, led by EVP & General Coun
Jun 2, 2026
NEUTRAL CLUSTER 2/10
Three MPWR insiders sold a total of $13.71M in open-market transactions over a 7-day window. The lar
May 29, 2026
NEUTRAL CLUSTER 2/10
Three MPWR insiders sold a total of $8.78M in open-market sales over a 5-day window, led by EVP & Ge
May 28, 2026
NEUTRAL CLUSTER 3/10
Two MPWR insiders (EVP & General Counsel Saria Tseng and Director Jeff Zhou) sold a total of $8.75M
May 27, 2026
NEUTRAL CLUSTER 2/10
Four MPWR insiders, including CEO Michael Hsing and EVP Saria Tseng, sold a total of $18.75M in open
May 27, 2026
NEUTRAL CLUSTER 3/10
CEO Michael Hsing and EVP Maurice Sciammas sold a combined $10.8M in MPWR stock within a week, repre
May 21, 2026
NEUTRAL CLUSTER 3/10
Two MPWR insiders, including the EVP of WW Sales & Marketing, sold a total of $5.81M in open-market
May 20, 2026
NEUTRAL CLUSTER 2/10
Multiple MPWR insiders sold shares worth $7.34M, but this represents less than 0.01% of the $79.3B m
May 15, 2026
NEUTRAL CLUSTER 3/10
Four MPWR insiders sold a total of $7.34M in stock over a one-week window, led by EVP Xiao Deming ($
May 15, 2026
NEUTRAL CLUSTER 2/10
Four insiders at Monolithic Power Systems sold a total of $7.44M in stock over a 7-day window follow
May 8, 2026
NEUTRAL CLUSTER 2/10
Three MPWR insiders (two directors and one EVP) sold a total of $1.96M in open-market sales over thr
May 8, 2026
NEUTRAL CLUSTER 3/10
Two MPWR insiders (EVP Maurice Sciammas and Director Jeff Zhou) sold a total of $1.41M in open-marke
May 7, 2026
BULLISH 8-K 8/10
Monolithic Power Systems reported Q1 2026 revenue of $804.2M (+26.1% YoY) and non-GAAP diluted EPS o
Apr 30, 2026
NEUTRAL DEFA14A 2/10
Monolithic Power Systems filed additional definitive proxy soliciting materials (DEFA14A) on April 3
Apr 30, 2026
BULLISH COURT-RULING 5/10
Monolithic Power Systems (MPWR) won a procedural victory in its patent infringement case against Ree
Apr 29, 2026
BULLISH COURT-RULING 7/10
Monolithic Power Systems (MPWR) won key pre-trial rulings in its patent infringement case against Re
Apr 21, 2026
NEUTRAL CLUSTER 3/10
Two executive insiders at Monolithic Power Systems sold shares in the past week, totaling $743,000 i
Apr 10, 2026
NEUTRAL 144 3/10
Saria Tseng, an officer of Monolithic Power Systems, filed a Form 144 to notify intent to sell up to
Apr 8, 2026
NEUTRAL CLUSTER 3/10
Two executives at Monolithic Power Systems sold shares in a coordinated cluster totaling $312K over
Apr 8, 2026
Current analyst consensus: Strong Buy (88% buy). Based on 25 analysts: 8 strong buy, 14 buy, 3 hold, 0 sell, 0 strong sell.

Analyst Price Targets

$1,797.14 mean target +21.3% upside Strong Buy (3.00)
$1,500.00 Low $2,000.00 High
MetricValue
Current Price$1,481.05
Target Low$1,500.00
Target Mean$1,797.14
Target Median$1,812.50
Target High$2,000.00
# Analysts14
RecommendationStrong Buy (3.00)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Next Q
2026-09-30
$6.41 $6.21 $6.62 35.6% +13.9% 15↑ 0↓ $1.0B 33.0% 15
Current Q
2026-06-30
$5.86 $5.82 $6.05 39.2% +13.7% 13↑ 0↓ $0.9B 35.7% 15
Current FY
2026-12-31
$24.02 $23.64 $24.91 35.2% +11.6% 15↑ 0↓ $3.7B 32.6% 15
Next FY
2027-12-31
$30.16 $27.72 $34.97 25.6% +16.7% 15↑ 0↓ $4.5B 22.1% 15

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$5.860
7d ago$5.168+0.691
30d ago$5.155+0.705
60d ago$5.155+0.705
90d ago$4.960+0.899
12 analyst firms have rated this stock: 2 upgrades, 0 downgrades, 0 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
May 1, 2026 TD Cowen MAINTAIN Buy Buy
May 1, 2026 Wells Fargo MAINTAIN Overweight Overweight
May 1, 2026 Keybanc MAINTAIN Overweight Overweight
May 1, 2026 Rosenblatt MAINTAIN Neutral Neutral
May 1, 2026 Needham MAINTAIN Buy Buy
Apr 16, 2026 Stifel MAINTAIN Buy Buy
Feb 9, 2026 Citigroup MAINTAIN Buy Buy
Feb 6, 2026 Wells Fargo MAINTAIN Overweight Overweight
Feb 6, 2026 Truist Securities MAINTAIN Buy Buy
Feb 6, 2026 Keybanc MAINTAIN Overweight Overweight
Feb 6, 2026 Rosenblatt MAINTAIN Neutral Neutral
Feb 6, 2026 Needham MAINTAIN Buy Buy
Feb 4, 2026 Stifel MAINTAIN Buy Buy
Jan 26, 2026 Wells Fargo MAINTAIN Overweight Overweight
Jan 15, 2026 Wells Fargo UPGRADE Equal-Weight Overweight
Dec 19, 2025 Truist Securities MAINTAIN Buy Buy
Nov 3, 2025 Citigroup MAINTAIN Buy Buy
Oct 31, 2025 TD Cowen MAINTAIN Buy Buy
Oct 31, 2025 Keybanc MAINTAIN Overweight Overweight
Oct 31, 2025 Rosenblatt MAINTAIN Neutral Neutral
Oct 23, 2025 Keybanc MAINTAIN Overweight Overweight
Oct 20, 2025 Wells Fargo MAINTAIN Equal-Weight Equal-Weight
Oct 17, 2025 Stifel MAINTAIN Buy Buy
Oct 14, 2025 Wolfe Research UPGRADE Peer Perform Outperform
Oct 3, 2025 Citigroup MAINTAIN Buy Buy
Sep 30, 2025 Keybanc MAINTAIN Overweight Overweight
Sep 29, 2025 Needham MAINTAIN Buy Buy
Aug 4, 2025 Citigroup MAINTAIN Buy Buy
Aug 1, 2025 Stifel MAINTAIN Buy Buy
Aug 1, 2025 Wells Fargo MAINTAIN Equal-Weight Equal-Weight
Aug 1, 2025 Raymond James REITERATE Outperform Outperform
Aug 1, 2025 Keybanc MAINTAIN Overweight Overweight
Aug 1, 2025 Rosenblatt MAINTAIN Neutral Neutral
Aug 1, 2025 Needham MAINTAIN Buy Buy
Jul 23, 2025 Loop Capital MAINTAIN Buy Buy
Jul 16, 2025 Wells Fargo MAINTAIN Equal-Weight Equal-Weight
Jul 15, 2025 Oppenheimer MAINTAIN Outperform Outperform
Jul 8, 2025 Keybanc MAINTAIN Overweight Overweight
Jun 16, 2025 Wells Fargo MAINTAIN Equal-Weight Equal-Weight
Jun 4, 2025 Citigroup MAINTAIN Buy Buy
May 2, 2025 Citigroup MAINTAIN Buy Buy
May 2, 2025 Raymond James REITERATE Outperform Outperform
May 2, 2025 Keybanc MAINTAIN Overweight Overweight
May 2, 2025 Rosenblatt MAINTAIN Neutral Neutral
May 2, 2025 Needham REITERATE Buy Buy
Apr 17, 2025 Stifel MAINTAIN Buy Buy
Apr 11, 2025 Citigroup MAINTAIN Buy Buy
Mar 21, 2025 Oppenheimer REITERATE Outperform Outperform
Mar 21, 2025 Wells Fargo MAINTAIN Equal-Weight Equal-Weight
Mar 21, 2025 Rosenblatt MAINTAIN Neutral Neutral

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 202681430088%
May 1, 202681430088%
Apr 1, 202681430088%
Mar 1, 202681440085%
Feb 1, 202671540085%
Jan 1, 202671350080%
Strong BuyBuyHoldSellStrong Sell
1 members of Congress traded this stock: 3 buys, 0 sells.

Congressional Trades

DateMemberPartyChamberTypeAmountAssetDisclosed
Feb 4, 2026Markwayne MullinRSENATEBUY$15,001 - $50,000Monolithic Power Systems IncMar 2, 2026 (27d)
Jan 5, 2026Markwayne MullinRSENATEBUY$15,001 - $50,000Monolithic Power Systems IncFeb 4, 2026 (31d)
Jan 5, 2026Markwayne MullinRSENATEBUY$15,001 - $50,000Monolithic Power Systems IncFeb 4, 2026 (31d)
63°
Warm
Bearish Neutral Bullish
4 mentions 2 bullish 0 bearish 4 time periods

Reddit Sentiment History

DateMentionsSentimentBullishBearishThreads
May 11, 2026160° Warm101
May 11, 2026160° Warm101
May 8, 2026150° Neutral001
May 8, 2026150° Neutral001
May 11, 2026
dark_pool
Dark Pool: MPWR — 0.7M shares, 55,123 trades
Week starting 2026-05-11. Total ATS volume: 654,557 shares across 55,123 trades.
May 4, 2026
dark_pool
Dark Pool: MPWR — 0.8M shares, 60,074 trades
Week starting 2026-05-04. Total ATS volume: 751,447 shares across 60,074 trades.
May 1, 2026
short_interest
FTD: MPWR — 1,894 shares ($3.1M) failed to deliver
Settlement: 20260501, Price: $1614.41, FTD Value: $3,057,692.54, MONOLITHIC POWER SYSTEMS, INC
Apr 30, 2026
announcement
Monolithic Power Systems Prevails in Patent Infringement Lawsuit Brought by Bel Power Solutions in West Texas, with Bel Power Solutions Paying Costs
<p align="justify">SCHAFFHAUSEN, Switzerland, April 30, 2026 (GLOBE NEWSWIRE) -- Monolithic Power Systems, Inc. (MPS) (Nasdaq: MPWR), a fabless glob
Apr 30, 2026
earnings_calendar
MPWR Q1 2026 Earnings After Market Close — 2026-04-30
Apr 28, 2026
Enforcement
Monolithic Power Systems, Inc. v. Reed Semiconductor Corp., Nengda Microelectronics (Shenzhen) Co., Ltd., Nengda Semiconductor Technology (Shenzhen) Co., Ltd., NuVision Technology, Inc., WT Microelectronics Co., Ltd.
Court ruling from District Court, D. Delaware. Docket: 1:25-cv-00536
Apr 27, 2026
dark_pool
Dark Pool: MPWR — 1.1M shares, 53,485 trades
Week starting 2026-04-27. Total ATS volume: 1,085,935 shares across 53,485 trades.
Apr 20, 2026
dark_pool
Dark Pool: MPWR — 0.7M shares, 42,125 trades
Week starting 2026-04-20. Total ATS volume: 731,327 shares across 42,125 trades.
Apr 16, 2026
short_interest
FTD: MPWR — 1,210 shares ($1.6M) failed to deliver
Settlement: 20260416, Price: $1353.00, FTD Value: $1,637,130, MONOLITHIC POWER SYSTEMS, INC
Apr 15, 2026
announcement
Monolithic Power Systems to Report First Quarter 2026 Results on April 30, 2026
<p align="justify">SCHAFFHAUSEN, Switzerland, April 15, 2026 (GLOBE NEWSWIRE) -- Monolithic Power Systems, Inc. (MPS) (Nasdaq: MPWR), a fabless glo
Apr 13, 2026
dark_pool
Dark Pool: MPWR — 0.6M shares, 35,834 trades
Week starting 2026-04-13. Total ATS volume: 636,262 shares across 35,834 trades.
Apr 13, 2026
Enforcement
Monolithic Power Systems, Inc. v. Reed Semiconductor Corp.; Monolithic Power Systems, Inc. v. Reed Semiconductor Corp.; Monolithic Power Systems, Inc. v. Nengda Microelectronics (Shenzhen) Co., Ltd., Nengda Semiconductor Technology (Shenzhen) Co., Ltd.
Court ruling from District Court, D. Delaware. Docket: 1:23-cv-01155
Apr 10, 2026
short_interest
FTD: MPWR — 7,315 shares ($9.8M) failed to deliver
Settlement: 20260410, Price: $1334.21, FTD Value: $9,759,746.15, MONOLITHIC POWER SYSTEMS, INC
Apr 6, 2026
dark_pool
Dark Pool: MPWR — 0.8M shares, 47,177 trades
Week starting 2026-04-06. Total ATS volume: 763,864 shares across 47,177 trades.
Mar 30, 2026
dark_pool
Dark Pool: MPWR — 0.5M shares, 27,708 trades
Week starting 2026-03-30. Total ATS volume: 484,585 shares across 27,708 trades.
Mar 23, 2026
dark_pool
Dark Pool: MPWR — 0.5M shares, 30,223 trades
Week starting 2026-03-23. Total ATS volume: 509,128 shares across 30,223 trades.
Mar 19, 2026
short_interest
FTD: MPWR — 16,276 shares ($17.5M) failed to deliver
Settlement: 20260319, Price: $1075.29, FTD Value: $17,501,420.04, MONOLITHIC POWER SYSTEMS, INC