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BARCLAYS PLC

Position in MPWR — Monolithic Power Systems, Inc.

CIK 312069 LONDON, X0

Position in MPWR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$607,692,674
+$59,524,336 QoQ
Shares Held
555,808
-8.1% QoQ
Ownership
1.13%
of shares outstanding
% of Portfolio
0.27%
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)

Derivatives in MPWR

reported options exposure · as of Sep 30, 2021
CallValue
$7,027,860
CallShares
14,500
PutValue
$0
PutShares
0

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

BARCLAYS PLC holds $33,243,806,560 across 53 Semiconductors names. MPWR ranks #11 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MPWR

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26 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $607,692,674 555,808
2025-12-31 $548,168,338 604,802
2025-09-30 $333,328,757 362,062
2025-06-30 $320,782,534 438,599
2025-03-31 $213,840,364 368,703
2024-12-31 $196,952,669 332,859
2024-09-30 $297,795,317 322,115
2024-06-30 $252,062,664 306,765
2024-03-31 $212,551,362 313,766
2023-12-31 $179,239,921 284,156
2023-09-30 $110,946,066 240,143
2023-06-30 $111,929,713 207,189
2023-03-31 $54,972,805 109,827
2022-12-31 $32,003,825 90,506
2022-09-30 $43,680,316 120,199
2022-06-30 $34,998,716 91,133
2022-03-31 $70,214,271 144,569
2021-12-31 $84,637,174 171,563
2021-09-30 $36,226,921 74,744
2021-09-30 $7,027,860 14,500
2021-06-30 $47,981,601 128,482
2021-03-31 $39,473,336 111,756
2020-12-31 $24,115,146 65,847
2020-09-30 $6,764,604 24,193
2020-06-30 $6,015,060 25,380
2020-03-31 $3,782,920 22,590