Power Solutions International, Inc. (PSIX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

68Shares held by institutions

$3,817Value of institutional holdings

18.88%Institutional ownership %

76.35%Shares Changed QoQ

124No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Power Solutions International, Inc. (NASDAQ:PSIX) showed up in the 13F filings of 191 institutional investors as of December 2025.

Collectively, these holders controlled 29.7% of Power Solutions International's outstanding shares in December 2025, up from 23.7% in September 2025.
Their total shares held in PSIX increased 46.26% from the prior quarter, while the number of investors in Power Solutions International increased 478.79% year over year.
Among the 191 funds, 142 bought more Power Solutions International shares, 32 sold down, and 17 held their ground.
Institutional investors collectively held 6.84Mn shares in Power Solutions International as of December 2025, up by 2.16Mn shares quarter on quarter, and up 4.52Mn shares year over year.
BlackRock, Inc. is the top holder of Power Solutions International as of December 31, 2025, with 673.61K shares representing 2.92% of outstanding stock.
The largest buyers of Power Solutions International for the quarter ending December 2025 were Situational Awareness LP (432.3K), ANTIPODES PARTNERS Ltd (228.41K), DIMENSIONAL FUND ADVISORS LP (179.51K), Allspring Global Investments Holdings, LLC (122.67K), BlackRock, Inc. (122.03K).
The biggest sellers of Power Solutions International for the quarter ending December 2025 included SUSQUEHANNA INTERNATIONAL GROUP, LLP (118.79K), Invesco Ltd. (92.7K), CITADEL ADVISORS LLC (67.35K), LAZARD ASSET MANAGEMENT LLC (34.86K), O'SHAUGHNESSY ASSET MANAGEMENT, LLC (23.58K).
Per Business Quant, the top 10 investors in PSIX for the quarter ending December 2025 include BlackRock, Inc. (673.61K), VANGUARD GROUP INC (539.98K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (443.1K), Situational Awareness LP (432.3K), Allspring Global Investments Holdings, LLC (328.76K), DRIEHAUS CAPITAL MANAGEMENT LLC (229.12K), ANTIPODES PARTNERS Ltd (228.41K), Busey Bank (220.0K), DIMENSIONAL FUND ADVISORS LP (201.89K), GEODE CAPITAL MANAGEMENT, LLC (191.67K).

191 Institutional Holders

68 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	122,026	22.12%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	37,597	7.48%	$0.00
Situational Awareness LP	31 Dec, 2025	432,300	0.00%	$0.00
Barclays Plc	31 Dec, 2025	16,394	156.43%	$0.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	118,011	36.30%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	122,672	59.52%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	2,974	457.54%	$0.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	94,618	70.35%	$0.00
ANTIPODES PARTNERS Ltd	31 Dec, 2025	228,413	0.00%	$0.00
Busey Bank	31 Dec, 2025	0	0.00%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	114,249	0.00%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	179,511	802.10%	$0.00
Hel Ved Capital Management Ltd	31 Dec, 2025	39,406	57.34%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	22,763	13.48%	$0.00
Beacon Harbor Wealth Advisors, Inc.	31 Dec, 2025	103,216	0.00%	$0.00
Morgan Stanley	31 Dec, 2025	-22,786	-11.53%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	23,555	48.44%	$0.00
State Street Corp	31 Dec, 2025	28,218	20.65%	$0.00
Independent Advisor Alliance	31 Dec, 2025	-500	-0.92%	$0.00
Raymond James Financial Inc	31 Dec, 2025	18,909	20.86%	$0.00

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