// company-profile
Power Solutions International, Inc.
PSIXExchangeNasdaqSectorEngines & TurbinesInc.ILFilings75Insiders12
// api This Power Solutions International, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for PSIX in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Power Solutions International, Inc. as of 2026-03-31
Total reported AUM
$439.1M
QoQ change
+19.4%
Reporting period
2026-03-31
#1
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
$28.4M
466K shares
#2
Situational Awareness LP
CIK 2045724
$26.3M
432K shares
#3
Situational Awareness Partners LP
CIK 2038540
$26.3M
432K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 6, 2026 | Li Xun | PSIX | Award | 1,665 | $0.00 | $0K |
| Mar 6, 2026 | Du Zhaoying | PSIX | Award | 1,492 | $0.00 | $0K |
| Feb 12, 2026 | Li Xun | PSIX | Option Exercise | 7,500 | $2.00 | $15K |
| Feb 12, 2026 | Li Xun | PSIX | Option Exercise | 7,500 | $0.00 | $0K |
| Feb 12, 2026 | Li Xun | PSIX | Tax Withholding | 3,429 | $92.72 | $318K |
45 more transactions hidden
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