Michael Hsing owns 1.96% of Monolithic Power Systems
964,129 shares as of the September 28, 2026 filing, worth $1.2B at the latest close.
MPWR · $59.5B market cap · Founder-ledGet an email when Michael Hsing’s stake moves.
Free.
The stake
1.96%
worth $1.2B at the latest close
Stake rank
#93
by dollar value of the stake
Last sale
21 days ago
Sep 28, 2026
Last buy
None
no purchases since 2016
Michael Hsing owns 1.96% of MONOLITHIC POWER SYSTEMS, INC.: 964,129 of 49,143,000 shares, worth about $1.2B at the 2026-10-16 close. The stake has moved from 3.86% in 2016 to 1.96% on 2026-09-28, across 130 sales and 0 purchases that moved it since 2016. The last trade that moved it was a planned sale of $40.3M on 2026-09-28.
How the stake is held
as of the Sep 28, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Sep 28, 2026 · Form 4 ↗
HELD DIRECTLY
818,264
84.9%
HELD INDIRECTLY · 2 VEHICLES
145,865
15.1%
by M Hsing 04 Trust
133,040
13.8%
ZH Family 2020 Trust
12,825
1.3%
THE STAKE
964,129
1.96%