Power Solutions Ownership | Who Owns Power Solutions?

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Power Solutions Ownership Summary

Power Solutions is owned by 13.65% institutional investors, 71.88% insiders, and 14.48% retail investors. Gagnon securities is the largest institutional shareholder, holding 3.68% of PSIX shares.

PSIX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Power Solutions	13.65%	71.88%	14.48%
Sector	Industrials Stocks	39.36%	12.62%	48.02%
Industry	Industrial Machinery Stocks	44.92%	9.15%	45.93%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Gagnon securities	850.15K	3.68%	$25.29M
Gagnon advisors	470.17K	2.03%	$13.99M
Portolan capital management	341.29K	1.48%	$10.15M
S squared	293.03K	1.27%	$8.72M
O'shaughnessy asset management	72.87K	0.32%	$2.17M
Marshall wace, llp	71.59K	0.31%	$2.13M
Valiant capital management	35.45K	0.15%	$1.05M
Manatuck hill partners	20.85K	0.09%	$620.29K
World equity group	17.79K	0.08%	$529.39K
Perritt capital management	15.00K	0.06%	$446.25K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Gagnon advisors	470.17K	8.96%	$13.99M
Gagnon securities	850.15K	5.10%	$25.29M
S squared	293.03K	3.62%	$8.72M
Portolan capital management	341.29K	0.68%	$10.15M
Manatuck hill partners	20.85K	0.25%	$620.29K
Perritt capital management	15.00K	0.23%	$446.25K
World equity group	17.79K	0.11%	$529.39K
Valiant capital management	35.45K	0.07%	$1.05M
Thoroughbred financial services	10.43K	0.02%	$310.00K
O'shaughnessy asset management	72.87K	0.02%	$2.17M

Top Buyers

Holder	Shares	% Assets	Change
Portolan capital management	341.29K	0.68%	341.29K
O'shaughnessy asset management	72.87K	0.02%	72.87K
Marshall wace, llp	71.59K	0.00%	71.59K
Valiant capital management	35.45K	0.07%	35.45K
Manatuck hill partners	20.85K	0.25%	20.85K

Top Sellers

Holder	Shares	% Assets	Change
Gagnon advisors	470.17K	8.96%	-287.58K
S squared	293.03K	3.62%	-206.84K
Gagnon securities	850.15K	5.10%	-169.48K
Schonfeld strategic advisors	-	-	-15.30K
Thompson davis	-	-	-8.45K

New Positions

Holder	Shares	% Assets	Change	Value
Portolan capital management	341.29K	0.68%	341.29K	$10.15M
O'shaughnessy asset management	72.87K	0.02%	72.87K	$2.17M
Marshall wace, llp	71.59K	0.00%	71.59K	$2.13M
Valiant capital management	35.45K	0.07%	35.45K	$1.05M
Manatuck hill partners	20.85K	0.25%	20.85K	$620.29K

Sold Out

Holder	Change
Mai capital management	-300.00
Astoria portfolio advisors llc.	-7.28K
Evernest financial advisors	-7.50K
Thompson davis	-8.45K
Schonfeld strategic advisors	-15.30K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	66	106.25%	3,139,286	35.80%	13	13.64%	55	96.43%	8	166.67%
Dec 31, 2024	17	325.00%	1,477,604	-35.11%	6	6.59%	14	-	2	-
Sep 30, 2024	4	-	2,277,246	-16.60%	9	6.97%	-	-100.00%	2	100.00%
Jun 30, 2024	4	-	2,730,472	1.76%	11	8.70%	1	-50.00%	1	-
Mar 31, 2024	4	-	2,683,311	1.95%	11	8.90%	2	-	-	-100.00%

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 11, 2025	Winemaster Gary S	-	Sell	$46.55K
Jan 22, 2025	Winemaster Gary S	-	Sell	$408.40K
Jan 22, 2025	Winemaster Gary S	-	Sell	$1.01M
Jan 21, 2025	Winemaster Gary S	-	Sell	$662.43K
Jan 14, 2025	Winemaster Gary S	-	Sell	$562.47K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	1
2025 Q1	-	4
2024 Q4	-	7
2024 Q3	-	27
2024 Q2	7	-

PSIX Ownership FAQ

Who Owns Power Solutions?

Power Solutions shareholders are primarily institutional investors at 13.65%, followed by 71.88% insiders and 14.47% retail investors. The average institutional ownership in Power Solutions's industry, Industrial Machinery Stocks, is 44.92%, which Power Solutions falls below.

Who owns the most shares of Power Solutions?

Power Solutions’s largest shareholders are Gagnon securities (850.15K shares, 3.68%), Gagnon advisors (470.16K shares, 2.03%), and Portolan capital management (341.29K shares, 1.48%). Together, they hold 7.19% of Power Solutions’s total shares outstanding.

Does Blackrock own Power Solutions?

BlackRock is not among the top 10 institutional shareholders of Power Solutions.

Who is Power Solutions’s biggest shareholder by percentage of total assets invested?

Gagnon advisors is Power Solutions’s biggest shareholder by percentage of total assets invested, with 8.96% of its assets in 470.16K Power Solutions shares, valued at 13.99M$.

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