Power Solutions International, Inc. (PSIX)
Nasdaq: PSIX · Engines & Turbines · Wood Dale, IL · filing with the SEC since 2002
Grade5.0
◀ Past 3.3● Present 5.2▶ Future 6.3
Who owns Power Solutions International, Inc.
As filed with the SECHolders of 5% or more
4
Weichai America Corp. holds 46.5% of Common Stock, par value $0.001 per share, as its SCHEDULE 13D/A filed Aug 28, 2025 says.
Directors and officers
9
report now, of 35 people on the record since 2011. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Weichai America Corp.
SCHEDULE 13D/A · filed Aug 28, 2025 · Common Stock, par value $0.001 per share · 47.5% in Aug 25, 2025
Neil Gagnon
SCHEDULE 13G/A · filed Jan 23, 2025 · Common Stock, par value $0.001 per share · 7.3% in Jan 23, 2025
Point72 Asset Management, L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $0.001 per share · 5% in May 22, 2026
Gary S. Winemaster
SCHEDULE 13D/A · filed Sep 22, 2025 · Common Stock · 8.4% in Aug 7, 2025
Neil Gagnon
SCHEDULE 13G/A · filed Feb 14, 2025 · Common Stock, par value $0.001 per share · reported falling below 5%
What PSIX reports owning in othersstakes of 5% or more, and other ties
6 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 2, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.