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STATE STREET CORP

Position in MPWR — Monolithic Power Systems, Inc.

CIK 93751 BOSTON, MA

Position in MPWR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$2,392,746,180
+$416,501,616 QoQ
Shares Held
2,188,454
+0.4% QoQ
Ownership
4.45%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 10% Shared 1% None 89%

Common Shares in MPWR Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Mar 31, 2026

STATE STREET CORP holds $312,930,512,826 across 61 Semiconductors names. MPWR ranks #9 (0.8% 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 $2,392,746,180 2,188,454
2025-12-31 $1,976,244,564 2,180,419
2025-09-30 $1,965,293,890 2,134,704
2025-06-30 $1,550,550,466 2,120,034
2025-03-31 $1,227,066,585 2,115,705
2024-12-31 $1,278,083,242 2,160,019
2024-09-30 $1,927,717,477 2,085,146
2024-06-30 $1,678,255,106 2,042,468
2024-03-31 $1,351,175,835 1,994,591
2023-12-31 $1,230,456,868 1,950,691
2023-09-30 $868,833,042 1,880,591
2023-06-30 $1,001,140,730 1,853,175
2023-03-31 $906,961,962 1,811,967
2022-12-31 $621,862,789 1,758,612
2022-09-30 $649,475,384 1,787,219
2022-06-30 $670,993,535 1,747,197
2022-03-31 $882,232,377 1,816,489
2021-12-31 $895,856,200 1,815,937
2021-09-30 $844,505,947 1,742,399
2021-06-30 $645,987,834 1,729,784
2021-03-31 $595,462,963 1,685,861
2020-12-31 $515,479,345 1,407,529
2020-09-30 $291,032,907 1,040,853
2020-06-30 $260,869,455 1,100,715
2020-03-31 $178,760,870 1,067,484