Follow-The-Filings

Security · featured owners

MPWR Monolithic Pwr Sys Inc.

Information Technology COM Equity as of 2026 Q2 among managers we track

  • 4 Owners
  • Max 0.7%
  • $205M
  • 2 new 1 add 1 reduce

MPWR (Monolithic Pwr Sys Inc.) is held in 4 featured 13F books as of 2026 Q2. Torray Investment Partners is the largest tracked holder by portfolio weight (0.69%). Figures are as-filed 13F, not free float.

Who owns this now

Largest portfolio weights among featured holders · max 0.7% (Torray Investment Partners) · not free-float ownership

  1. Torray Investment Partners add 0.69%
  2. Dan Sundheim new 0.34%
  3. Ron Baron reduce 0.12%
  4. Lee Ainslie new 0.01%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
Dan Sundheim - D1 Capital Partners 2026 Q2 0.34% New 0.34% 85,103 $118M history
Ron Baron - Bamco Inc. (Baron Capital) 2026 Q2 0.12% Reduce −7.0% 58,604 $81M history
Torray Investment Partners 2026 Q2 0.69% Add +0.2% 3,715 $5M history
Lee Ainslie - Maverick Capital 2026 Q2 0.01% New 0.01% 593 $820K history

4 current · options excluded

SEC filings

Recent issuer filings from EDGAR · 7 shown · open Filing / Doc on SEC.gov

Filed Form Detail Links
8-K 8.01,9.01 Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 5.07,8.01,9.01 Filing Doc
10-Q FORM 10-Q Filing Doc
DEFA14A FORM DEFA14A Filing Doc
8-K 2.02,9.01 Filing Doc

Insider forms

Form 3 / 4 / 5 from EDGAR · 21 rows shown

Filed Form Detail Links
4 Period Aug 31, 2026 Filing Doc
4 Period Aug 24, 2026 Filing Doc
4 Period Aug 24, 2026 Filing Doc
4 Period Aug 17, 2026 Filing Doc
4 Period Aug 11, 2026 Filing Doc
4 Period Aug 4, 2026 Filing Doc
4 Period Aug 5, 2026 Filing Doc
4 Period Aug 3, 2026 Filing Doc
4 Period Jul 25, 2026 Filing Doc
4 Period Jul 15, 2026 Filing Doc
4 Period Jul 1, 2026 Filing Doc
4 Period Jun 1, 2026 Filing Doc
4 Period May 29, 2026 Filing Doc
4 Period May 27, 2026 Filing Doc
4 Period May 26, 2026 Filing Doc
4 Period May 22, 2026 Filing Doc
4 Period May 26, 2026 Filing Doc
4 Period May 18, 2026 · 2 forms Filing Doc
4 Period May 15, 2026 Filing Doc
4 Period May 13, 2026 · 2 forms Filing Doc
4 Period May 6, 2026 · 3 forms Filing Doc

Updated 4 days ago Source: SEC EDGAR submissions All on EDGAR

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $1.82B $2.21B $2.79B
Gross profit $1.02B $1.22B $1.54B
Gross margin * 56.1% 55.3% 55.2%
Net income $0.427B $1.79B $0.621B
Net margin * 23.5% 81.0% 22.3%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $1.82B $1.57B $1.79B
Total non-current assets * $0.615B $2.05B $1.92B
Total assets $2.43B $3.62B $3.71B
Total current liabilities $235.04M $294.57M $363.4M
Total non-current liabilities * $149.38M $176.76M $268.11M
Total equity $2.05B $3.15B $3.07B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $638.21M $788.41M $838.2M
Cash from investing -$178.73M $223.05M -$157.27M
Cash from financing -$183.72M -$872.23M -$285.86M
Net change in cash $272.45M $130.76M $407.58M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders