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Equibles

MILLENNIUM MANAGEMENT LLC

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1273087 NEW YORK, NY
Back to MPWR Full portfolio

Position in MPWR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$189,155,230
+$189,155,230 QoQ
Shares Held
136,835
Ownership
0.278%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#53
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
$28,476,616
CallShares
20,600
PutValue
$22,532,468
PutShares
16,300

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

MILLENNIUM MANAGEMENT LLC holds $8,572,617,518 across 57 Semiconductors names. MPWR ranks #10 (2.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 NVDA
Nvidia Corp
 12,157,614 $2,432,616,985
2 TSM
Taiwan Semiconductor Manufacturing Co Ltd
 1,592,445 $760,503,958
3 MU
Micron Technology Inc
 517,125 $596,912,216
4 CRDO
Credo Technology Group Holding Ltd
 1,997,808 $543,303,885
5 AMD
Advanced Micro Devices Inc
 863,984 $501,896,945
6 ALAB
Astera Labs, Inc.
 604,489 $291,980,276
7 TSEM
Tower Semiconductor Ltd
 850,421 $221,653,729
8 SLAB
Silicon Laboratories Inc.
 1,003,736 $219,376,540

All Filings in MPWR

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $28,476,616 20,600
2026-06-30 $22,532,468 16,300
2026-06-30 $189,155,230 136,835
2026-03-31 $11,917,515 10,900
2026-03-31 $2,186,700 2,000
2025-12-31 $4,531,800 5,000
2025-12-31 $22,368,058 24,679
2025-12-31 $9,154,236 10,100
2025-09-30 $8,746,080 9,500
2025-09-30 $156,959,913 170,490
2025-09-30 $9,022,272 9,800
2025-06-30 $7,460,076 10,200
2025-06-30 $12,799,150 17,500
2025-06-30 $11,359,794 15,532
2025-03-31 $10,207,648 17,600
2025-03-31 $86,128,769 148,503
2025-03-31 $8,061,722 13,900
2024-12-31 $73,705,702 124,566
2024-12-31 $5,561,980 9,400
2024-12-31 $7,987,950 13,500
2024-09-30 $21,540,850 23,300
2024-09-30 $146,928,936 158,928
2024-09-30 $19,229,600 20,800
2024-06-30 $5,308,874 6,461
2024-06-30 $8,463,304 10,300
2024-06-30 $4,026,232 4,900
2024-03-31 $4,335,488 6,400
2024-03-31 $5,216,134 7,700
2024-03-31 $108,121,651 159,608
2023-12-31 $11,417,118 18,100
2023-12-31 $2,024,803 3,210
2023-12-31 $19,743,414 31,300
2023-09-30 $1,755,600 3,800
2023-09-30 $2,125,200 4,600
2023-09-30 $1,049,664 2,272
2023-06-30 $432,184 800
2023-06-30 $3,187,357 5,900
2023-06-30 $12,682,439 23,476
2023-03-31 $99,096,909 197,980
2022-12-31 $158,756,391 448,959
2022-09-30 $149,906,497 412,511
2022-06-30 $55,035,236 143,306
2022-03-31 $36,880,596 75,936
2021-12-31 $29,828,211 60,463
2021-09-30 $22,174,594 45,751
2021-09-30 $2,181,060 4,500
2021-06-30 $7,936,185 21,251
2021-06-30 $1,755,215 4,700
2021-03-31 $1,130,272 3,200
2021-03-31 $1,130,272 3,200