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CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1081019 WEST SACRAMENTO, CA

Position in MPWR

as of Mar 31, 2026 · filed May 18, 2026
Position Value
$79,118,086
+$11,984,908 QoQ
Shares Held
72,363
-2.3% QoQ
Ownership
0.147%
of shares outstanding
% of Portfolio
0.09%
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

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $11,134,352,808 across 42 Semiconductors names. MPWR ranks #10 (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 $79,118,086 72,363
2025-12-31 $67,133,178 74,069
2025-09-30 $68,815,998 74,748
2025-06-30 $54,379,565 74,352
2025-03-31 $42,973,038 74,094
2024-12-31 $44,316,554 74,897
2024-09-30 $71,137,501 76,947
2024-06-30 $63,444,377 77,213
2024-03-31 $49,594,595 73,211
2023-12-31 $44,288,325 70,212
2023-09-30 $31,661,784 68,532
2023-06-30 $39,148,307 72,466
2023-03-31 $37,028,948 73,978
2022-12-31 $26,304,694 74,389
2022-09-30 $26,736,428 73,573
2022-06-30 $28,530,331 74,290
2022-03-31 $35,544,976 73,186
2021-12-31 $38,180,288 77,393
2021-09-30 $37,148,783 76,646
2021-06-30 $29,852,846 79,938
2021-03-31 $28,842,068 81,657
2020-12-31 $29,499,826 80,550
2020-09-30 $21,466,218 76,772
2020-06-30 $17,773,815 74,995
2020-03-31 $12,034,345 71,864