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BNP PARIBAS ARBITRAGE, SA

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1166588 NEW YORK, NY

Position in MPWR

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$244,922,426
+$20,936,399 QoQ
Shares Held
224,011
-9.4% QoQ
Ownership
0.456%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in MPWR Over Time

Shares Held

Position Value (USD)

Derivatives in MPWR

reported options exposure · as of Mar 31, 2026
CallValue
$60,133
CallShares
55
PutValue
$130,106
PutShares
119

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 Mar 31, 2026

BNP PARIBAS ARBITRAGE, SA holds $15,174,196,795 across 57 Semiconductors names. MPWR ranks #12 (1.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MPWR

Export CSV
32 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $130,106 119
2026-03-31 $244,922,426 224,011
2026-03-31 $60,133 55
2025-12-31 $223,986,027 247,127
2025-12-31 $86,102 95
2025-12-31 $246,525 272
2025-09-30 $27,619 30
2025-09-30 $173,077 188
2025-09-30 $155,584,477 168,996
2025-06-30 $142,717,104 195,134
2025-06-30 $35,103 48
2025-03-31 $164,770,578 284,097
2024-12-31 $89,475,098 151,217
2024-09-30 $127,152,031 137,536
2024-06-30 $146,604,967 178,421
2024-03-31 $206,712,003 305,146
2023-12-31 $98,638,222 156,375
2023-09-30 $54,139,470 117,185
2023-06-30 $68,385,554 126,586
2023-03-31 $61,216,042 122,300
2022-12-31 $14,522,762 41,070
2022-09-30 $20,260,276 55,752
2022-06-30 $56,467,321 147,035
2022-03-31 $24,381,621 50,201
2021-12-31 $29,770,492 60,346
2021-09-30 $64,886,050 133,874
2021-06-30 $51,320,245 137,422
2021-03-31 $35,393,054 100,204
2020-12-31 $10,987,266 30,001
2020-09-30 $8,119,035 29,037
2020-06-30 $4,362,459 18,407
2020-03-31 $2,181,836 13,029