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OSTRUM ASSET MANAGEMENT

Position in MPWR — Monolithic Power Systems, Inc.

CIK 1767945 PARIS, I0

Position in MPWR

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$38,623,138
+$15,929,566 QoQ
Shares Held
27,940
+34.6% QoQ
Ownership
0.057%
of shares outstanding
% of Portfolio
1.86%
of 13F equity value
Holder Rank
#159
of 1,236 holders
Holding Since
Mar 2023
14 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MPWR Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

OSTRUM ASSET MANAGEMENT holds $220,292,662 across 15 Semiconductors names. MPWR ranks #2 (17.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MPWR
Monolithic Power Systems, Inc.
This page
27,940 $38,623,138

All Filings in MPWR

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14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $38,623,138 27,940
2026-03-31 $22,693,572 20,756
2025-12-31 $42,491,969 46,882
2025-09-30 $38,026,114 41,304
2025-06-30 $30,583,386 41,816
2025-03-31 $27,463,212 47,352
2024-12-31 $165,084 279
2024-09-30 $267,180 289
2024-06-30 $235,000 286
2024-03-31 $207,967 307
2023-12-31 $193,649 307
2023-09-30 $141,372 306
2023-06-30 $166,390 308
2023-03-31 $407,940 815