Who Owns PIONEER POWER SO (PPSI)? -- Institutional Holders (2026-06-30)

42 institutions reported holding $6.9M of PIONEER POWER SO (PPSI) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($961,435), PEAK6 LLC ($788,000), Spectrum Investment Advisors, Inc. ($541,750), ACADIAN ASSET MANAGEMENT LLC ($503,000), RENAISSANCE TECHNOLOGIES LLC ($498,363). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	VANGUARD GROUP INC	$961,435	244,019	Added
2	PEAK6 LLC	$788,000	200,000	New
3	Spectrum Investment Advisors, Inc.	$541,750	137,500	Hold
4	ACADIAN ASSET MANAGEMENT LLC	$503,000	127,977	New
5	RENAISSANCE TECHNOLOGIES LLC	$498,363	126,488	Added
6	CITADEL ADVISORS LLC	$467,260	118,594	Added
7	GEODE CAPITAL MANAGEMENT, LLC	$459,611	116,631	Added
8	JANE STREET GROUP, LLC	$450,747	114,403	New
9	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$385,210	97,769	Added
10	DIMENSIONAL FUND ADVISORS LP	$315,562	80,092	Added
11	HRT FINANCIAL LP	$255,000	64,889	New
12	BlackRock, Inc.	$236,298	59,974	Added
13	STATE STREET CORP	$134,070	34,028	Hold
14	XTX Topco Ltd	$108,082	27,432	Added
15	NewEdge Advisors, LLC	$85,837	21,786	Hold
16	JAMES INVESTMENT RESEARCH, INC.	$85,837	21,786	Hold
17	Sage Capital Management, LLC	$82,740	21,000	Hold
18	NORTHERN TRUST CORP	$82,638	20,974	Added
19	Stratos Wealth Advisors, LLC	$81,952	20,800	Added
20	Legacy Advisors, LLC	$63,139	16,025	Hold
21	SMITH, MOORE & CO.	$51,220	13,000	Hold
22	SIMPLEX TRADING, LLC	$50,238	12,751	Added
23	UBS Group AG	$49,340	12,523	New
24	Pekin Hardy Strauss, Inc.	$39,400	10,000	New
25	Rockefeller Capital Management L.P.	$39,400	10,000	Hold

Source: SEC Form 13F filings · as of 2026-06-30