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Equibles

CITADEL ADVISORS LLC

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1423053 MIAMI, FL
Back to MPWR Full portfolio

Position in MPWR

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$87,761,888
+$72,988,543 QoQ
Shares Held
63,487
+369.9% QoQ
Ownership
0.129%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#97
of 1,244 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MPWR Over Time

Shares Held

Position Value (USD)

Derivatives in MPWR

reported options exposure · as of Jun 30, 2026
CallValue
$99,806,392
CallShares
72,200
PutValue
$117,915,308
PutShares
85,300

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductors

Technology · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $9,261,295,559 across 59 Semiconductors names. MPWR ranks #19 (0.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 NVDA
Nvidia Corp
 11,815,467 $2,364,156,791
2 AVGO
Broadcom Inc.
 2,901,715 $1,096,122,840
3 AMD
Advanced Micro Devices Inc
 1,599,430 $929,124,881
4 MU
Micron Technology Inc
 600,523 $693,177,692
5 TXN
Texas Instruments Inc
 2,055,598 $612,712,095
6 INTC
Intel Corp
 4,218,311 $589,002,764
7 STM
STMicroelectronics N.V.
 3,852,113 $288,484,742
8 CBRS
Cerebras Systems Inc.
 1,248,170 $275,845,570

All Filings in MPWR

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $99,806,392 72,200
2026-06-30 $87,761,888 63,487
2026-06-30 $117,915,308 85,300
2026-03-31 $54,230,160 49,600
2026-03-31 $40,125,945 36,700
2026-03-31 $14,773,345 13,512
2025-12-31 $40,333,020 44,500
2025-12-31 $57,825,768 63,800
2025-12-31 $10,177,516 11,229
2025-09-30 $32,498,592 35,300
2025-09-30 $49,070,112 53,300
2025-09-30 $239,795,417 260,466
2025-06-30 $31,156,788 42,600
2025-06-30 $30,864,236 42,200
2025-06-30 $5,595,056 7,650
2025-03-31 $51,328,230 88,500
2025-03-31 $449,484 775
2025-03-31 $51,850,212 89,400
2024-12-31 $74,140,010 125,300
2024-12-31 $77,577,787 131,110
2024-12-31 $36,862,910 62,300
2024-09-30 $29,953,800 32,400
2024-09-30 $47,057,050 50,900
2024-09-30 $2,176,273 2,354
2024-06-30 $44,535,056 54,200
2024-06-30 $3,905,445 4,753
2024-06-30 $44,206,384 53,800
2024-03-31 $54,871,020 81,000
2024-03-31 $13,190,044 19,471
2024-03-31 $49,519,402 73,100
2023-12-31 $8,453,082 13,401
2023-12-31 $52,670,130 83,500
2023-12-31 $62,194,908 98,600
2023-09-30 $32,709,600 70,800
2023-09-30 $23,007,600 49,800
2023-09-30 $27,740,328 60,044
2023-06-30 $31,063,225 57,500
2023-06-30 $902,184 1,670
2023-06-30 $20,096,556 37,200
2023-03-31 $88,769,267 177,347
2023-03-31 $36,289,150 72,500
2023-03-31 $6,456,966 12,900
2022-12-31 $842,299 2,382
2022-12-31 $20,756,907 58,700
2022-12-31 $9,971,802 28,200
2022-09-30 $12,864,360 35,400
2022-09-30 $30,634,620 84,300
2022-09-30 $53,704,341 147,783
2022-06-30 $14,862,348 38,700
2022-06-30 $32,989,036 85,900