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CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in MPWR — Monolithic Power Systems, Inc.

CIK 884546 SAN FRANCISCO, CA

Position in MPWR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$411,508,512
+$80,339,070 QoQ
Shares Held
376,374
+3.0% QoQ
Ownership
0.766%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MPWR Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Mar 31, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $57,727,617,867 across 47 Semiconductors names. MPWR ranks #9 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MPWR

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $411,508,512 376,374
2025-12-31 $331,169,442 365,384
2025-09-30 $329,506,262 357,910
2025-06-30 $251,566,196 343,961
2025-03-31 $194,865,160 335,986
2024-12-31 $192,789,469 325,823
2024-09-30 $290,537,068 314,264
2024-06-30 $253,586,059 308,619
2024-03-31 $199,374,867 294,315
2023-12-31 $180,564,559 286,256
2023-09-30 $127,991,556 277,038
2023-06-30 $140,608,363 260,275
2023-03-31 $127,731,801 255,188
2022-12-31 $88,385,526 249,952
2022-09-30 $87,915,181 241,924
2022-06-30 $89,745,155 233,687
2022-03-31 $109,968,151 226,421
2021-12-31 $110,341,641 223,667
2021-09-30 $105,754,267 218,194
2021-06-30 $114,564,376 306,773
2021-03-31 $106,094,394 300,372
2020-12-31 $87,517,983 238,970
2020-09-30 $66,405,697 237,494
2020-06-30 $55,033,296 232,208
2020-03-31 $38,701,010 231,106