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FIRST AMERICAN TRUST, FSB

Position in MPWR — Monolithic Power Systems, Inc.

CIK 36066 SANTA ANA, CA

Position in MPWR

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$5,035,937
-$1,993,209 QoQ
Shares Held
3,643
-43.3% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
#380
of 1,236 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 54% Shared 0% None 46%

Common Shares in MPWR Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

FIRST AMERICAN TRUST, FSB holds $108,233,598 across 11 Semiconductors names. MPWR ranks #5 (4.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MPWR
Monolithic Power Systems, Inc.
This page
3,643 $5,035,937

All Filings in MPWR

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,035,937 3,643
2026-03-31 $7,029,146 6,429
2025-12-31 $5,785,295 6,383
2025-09-30 $5,831,332 6,334
2025-06-30 $4,634,754 6,337
2025-03-31 $3,573,836 6,162