POWER SOLUTIONS INTERNATIONAL, INC.

PSIXNASDAQ

$44.87+0.02 (+0.04% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

POWER SOLUTIONS INTERNATIONAL, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-46.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Point72 Asset Management, L.P.	6.50%	$58.2M	0.06%	Not reported
BlackRock, Inc.	3.55%	$31.8M	0.00%	Not reported
Newtyn Management, LLC	2.61%	$23.4M	2.92%	New Not reported
Vanguard Capital Management LLC	1.48%	$13.2M	0.00%	Not reported
Yunqi Capital Ltd	1.47%	$13.2M	10.55%	New Not reported
Barclays PLC	1.35%	$12.1M	0.00%	Not reported
Dimensional Fund Advisors LP	1.29%	$11.5M	0.00%	Not reported
OLP CAPITAL MANAGEMENT Ltd	1.23%	$11M	2.76%	New Not reported
Busey Bank	0.95%	$8.56M	0.21%	Not reported
Geode Capital Management, LLC	0.94%	$8.41M	0.00%	Not reported
Millennium Management LLC	0.90%	$8.05M	0.00%	Not reported
SG Americas Securities, LLC	0.85%	$7.58M	0.00%	Not reported
State Street Corp	0.80%	$7.19M	0.00%	Not reported
Goldman Sachs Group Inc	0.64%	$5.73M	0.00%	Not reported
First Trust Advisors LP	0.64%	$5.71M	0.00%	Add 70.40%
Yiheng Capital Management, L.P.	0.58%	$5.19M	1.78%	New Not reported
Meros Investment Management, LP	0.56%	$5.03M	1.60%	Add 229.21%
Morgan Stanley	0.49%	$4.39M	0.00%	Not reported
Two Sigma Investments, LP	0.47%	$4.24M	0.00%	Not reported
Hel Ved Capital Management Ltd	0.44%	$3.92M	0.29%	Not reported
Alliancebernstein L.P.	0.43%	$6.01M	0.00%	Not reported
Valiant Capital Management, L.P.	0.35%	$3.18M	0.13%	Add 17.71%
Northern Trust Corp	0.32%	$2.91M	0.00%	Not reported
Defiance ETFs, LLC	0.32%	$2.68M	0.04%	Add 249.25%
Tidal Investments LLC	0.31%	$2.82M	0.00%	Add 146.59%
Vanguard Portfolio Management LLC	0.30%	$2.73M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.30%	$2.67M	0.00%	Not reported
Capital Fund Management S.A.	0.27%	$2.45M	0.01%	Add 33.30%
LPL Financial LLC	0.25%	$2.24M	0.00%	Not reported
Citigroup Inc	0.23%	$2.1M	0.00%	Not reported
OnyxPoint Global Management LP	0.23%	$2.08M	0.47%	Reduce 31.39%
Citadel Advisors LLC	0.23%	$2.02M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.22%	$1.98M	0.00%	Not reported
Victory Capital Management Inc	0.20%	$1.78M	0.00%	Not reported
Susquehanna International Group, LLP	0.20%	$1.78M	0.00%	Not reported
Bridge City Capital, LLC	0.18%	$1.58M	0.36%	Add 23.98%
Voloridge Investment Management, LLC	0.16%	$1.46M	0.01%	Reduce 48.18%
ExodusPoint Capital Management, LP	0.16%	$1.44M	0.01%	Not reported
Bank of New York Mellon Corp	0.15%	$1.37M	0.00%	Not reported
Man Group plc	0.15%	$1.35M	0.00%	Not reported
Raymond James Financial Inc	0.13%	$1.19M	0.00%	Not reported
AQR Capital Management LLC	0.13%	$1.15M	0.00%	Not reported
Wells Fargo & Company	0.13%	$1.15M	0.00%	Not reported
XTX Topco Ltd	0.12%	$1.07M	0.01%	Not reported
Capstone Capital Management Ltd	0.12%	$1.04M	0.46%	New Not reported
Balyasny Asset Management L.P.	0.11%	$1.02M	0.00%	Not reported
Qube Research & Technologies Ltd	0.11%	$1.01M	0.00%	Not reported
Cetera Investment Advisers	0.11%	$997K	0.00%	Not reported
Kerrisdale Advisers, LLC	0.11%	$979K	0.25%	Add 115.82%
Persistent Asset Partners Ltd	0.09%	$850K	0.25%	Add 409.06%

50 of 149 holders

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