Power Solutions International PSIX Institutional Ownership

NASDAQ PSIX

$45.40 -0.57 (-1.24%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

159 Institutions

Increased 92 57.9%

Unchanged 22 13.8%

Reduced 45 28.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

36.71%

▲+5.49 pp QoQ

Shares Held by Institutions

8.46Mn

of 23.05Mn outstanding

▲+66.05% QoQ

Shares Outstanding

23.05Mn

14.59Mn held outside 13F filers

Institutional Investors

159

filed 13F for Jun 2026

▼-39 vs prior quarter

Net Shares Added (QoQ)

+3.37Mn

accumulated since last quarter

Value of Holdings

$389.00Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Power Solutions International, Inc. (NASDAQ:PSIX) showed up in the 13F filings of 159 institutional investors as of June 2026.

These investors held 36.7% of outstanding shares in June 2026, up from 31.2% in March 2026.
They increased total shares held in PSIX by 66.05% quarter over quarter, and investors in Power Solutions International increased 28.23% from a year ago.
Of these 159 holders, 92 added to their stakes in Power Solutions International, 45 trimmed positions, and 22 made no changes.
Combined, these investors held 8.46Mn shares in PSIX for June 2026, up by 3.37Mn shares quarter on quarter, and up 5.1Mn shares year over year.
Point72 Asset Management, L.P. leads ownership in PSIX with 1.5Mn shares as of June 30, 2026, equal to 6.5% of outstanding shares.
The biggest buyers of Power Solutions International for the quarter ending June 2026 included Point72 Asset Management, L.P. (1.49Mn), Newtyn Management, LLC (600.89K), Yunqi Capital Ltd (339.0K), OLP CAPITAL MANAGEMENT Ltd (283.94K), Yiheng Capital Management, L.P. (133.5K).
Leading sellers of Power Solutions International shares for the quarter ending June 2026 were Allspring Global Investments Holdings, LLC (293.39K), LPL Financial LLC (98.48K), NAVELLIER & ASSOCIATES INC (97.28K), Morgan Stanley (54.03K), Man Group plc (53.88K).
Per Business Quant data, the top 10 holders of Power Solutions International for the quarter ending June 2026 are Point72 Asset Management, L.P. (1.5Mn), BlackRock, Inc. (818.97K), Newtyn Management, LLC (600.89K), VANGUARD CAPITAL MANAGEMENT LLC (340.63K), Yunqi Capital Ltd (339.0K), Barclays Plc (311.11K), DIMENSIONAL FUND ADVISORS LP (296.81K), OLP CAPITAL MANAGEMENT Ltd (283.94K), Busey Bank (220.0K), GEODE CAPITAL MANAGEMENT, LLC (216.24K).

Form 13F Holdings

159 Institutional Holders

Report period 30 Jun, 2026

Total shares held 8.46Mn

Of outstanding 36.71%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Point72 Asset Management, L.P.	0001603466	1,497,155	6.50%	▲1,491,805	+27,884.21%	$58.22Mn
2	BlackRock, Inc.	0002012383	818,968	3.55%	▲103,412	+14.45%	$31.85Mn
3	Newtyn Management, LLC	0001569241	600,890	2.61%	▲600,890	0.00%	$23.37Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	340,634	1.48%	▼340	-0.10%	$13.25Mn
5	Yunqi Capital Ltd	0001912273	339,000	1.47%	▲339,000	0.00%	$13.18Mn
6	Barclays Plc	0000312069	311,110	1.35%	▲72,064	+30.15%	$12.10Mn
7	DIMENSIONAL FUND ADVISORS LP	0000354204	296,812	1.29%	▲13,571	+4.79%	$11.54Mn
8	OLP CAPITAL MANAGEMENT Ltd	0001738126	283,940	1.23%	▲283,940	0.00%	$11.04Mn
9	Busey Bank	0001427202	220,000	0.95%	0	0.00%	$8.56Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	216,235	0.94%	▲19,938	+10.16%	$8.41Mn
11	MILLENNIUM MANAGEMENT LLC	0001273087	206,942	0.90%	▲109,062	+111.42%	$8.05Mn
12	SG Americas Securities, LLC	0001313360	194,930	0.85%	▼21,465	-9.92%	$7.58K
13	State Street Corp	0000093751	184,855	0.80%	▲14,108	+8.26%	$7.19Mn
14	Goldman Sachs Group Inc	0000886982	147,333	0.64%	▲103,027	+232.54%	$5.73Mn
15	FIRST TRUST ADVISORS LP	0001125816	146,750	0.64%	▲60,627	+70.40%	$5.71Mn
16	Yiheng Capital Management, L.P.	0001447228	133,500	0.58%	▲133,500	0.00%	$5.19Mn
17	Meros Investment Management, LP	0001911372	129,266	0.56%	▲90,000	+229.21%	$5.03Mn
18	Morgan Stanley	0000895421	113,003	0.49%	▼54,034	-32.35%	$4.39Mn
19	TWO SIGMA INVESTMENTS, LP	0001179392	108,961	0.47%	▲62,590	+134.98%	$4.24Mn
20	Hel Ved Capital Management Ltd	0001840129	100,876	0.44%	0	0.00%	$3.92Mn

Showing 1 to 20 of 159 holders