CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition 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, 2026CALIFORNIA 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 |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
36,688,762 | $6,398,520,092 | |
| 2 | AVGO |
Broadcom Inc.
|
6,816,811 | $2,109,871,172 | |
| 3 | MU |
Micron Technology Inc
|
1,704,599 | $575,881,726 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
2,461,412 | $500,725,043 | |
| 5 | INTC |
Intel Corp
|
6,888,990 | $304,011,128 | |
| 6 | TXN |
Texas Instruments Inc
|
1,369,221 | $265,820,564 | |
| 7 | ADI |
Analog Devices Inc
|
754,564 | $240,056,990 | |
| 8 | QCOM |
Qualcomm Inc/De
|
1,641,686 | $211,416,323 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $79,118,086 | 72,363 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $67,133,178 | 74,069 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $68,815,998 | 74,748 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $54,379,565 | 74,352 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $42,973,038 | 74,094 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $44,316,554 | 74,897 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $71,137,501 | 76,947 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $63,444,377 | 77,213 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $49,594,595 | 73,211 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $44,288,325 | 70,212 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $31,661,784 | 68,532 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $39,148,307 | 72,466 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $37,028,948 | 73,978 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $26,304,694 | 74,389 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $26,736,428 | 73,573 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $28,530,331 | 74,290 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $35,544,976 | 73,186 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $38,180,288 | 77,393 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $37,148,783 | 76,646 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $29,852,846 | 79,938 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $28,842,068 | 81,657 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $29,499,826 | 80,550 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $21,466,218 | 76,772 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $17,773,815 | 74,995 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $12,034,345 | 71,864 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||