SunPower SPWR Institutional Ownership

NASDAQ SPWR

$0.31 0.00 (-0.07%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

76 Institutions

Increased 42 55.3%

Unchanged 14 18.4%

Reduced 20 26.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

18.69%

▼-5.05 pp QoQ

Shares Held by Institutions

27.93Mn

of 149.42Mn outstanding

▲+6.71% QoQ

Shares Outstanding

149.42Mn

121.49Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-23 vs prior quarter

Net Shares Added (QoQ)

+1.76Mn

accumulated since last quarter

Value of Holdings

$8.66Mn

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

SunPower Inc. (NASDAQ:SPWR) is held by 76 institutional investors per 13F filings through June 2026.

They owned 18.7% of outstanding stock in June 2026, down from 23.7% the prior quarter.
Their total shares held in SPWR increased 6.71% quarter over quarter, and separately, investors owning SunPower increased 22.58% from a year ago.
Activity in SPWR broke down as 42 buyers, 20 sellers, and 14 unchanged among 76 total holders.
Combined, these investors held 27.93Mn shares in SPWR for June 2026, up by 1.76Mn shares quarter on quarter, and up 10.37Mn shares year over year.
As of June 30, 2026, VANGUARD CAPITAL MANAGEMENT LLC held the largest stake in SunPower with 4.6Mn shares, accounting for 3.08% of total shares outstanding.
The most significant purchases of SPWR for the quarter ending June 2026 came from Carlyle Group Inc. (1.91Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.53Mn), DDD Partners, LLC (1.29Mn), Cygnus Capital Advisors, LLC (1.04Mn), PRELUDE CAPITAL MANAGEMENT, LLC (673.08K).
Top sellers of SPWR stock for the quarter ending June 2026 included BlackRock, Inc. (2.84Mn), State Street Corp (2.15Mn), Goldman Sachs Group Inc (1.05Mn), GEODE CAPITAL MANAGEMENT, LLC (1.03Mn), LAZARD ASSET MANAGEMENT LLC (519.06K).
Per Business Quant, the top 10 investors in SPWR for the quarter ending June 2026 include VANGUARD CAPITAL MANAGEMENT LLC (4.6Mn), Carlyle Group Inc. (2.34Mn), Polar Asset Management Partners Inc. (2.09Mn), Cygnus Capital Advisors, LLC (1.56Mn), ARDSLEY ADVISORY PARTNERS LP (1.42Mn), DDD Partners, LLC (1.38Mn), PRELUDE CAPITAL MANAGEMENT, LLC (1.27Mn), BlackRock, Inc. (1.25Mn), RENAISSANCE TECHNOLOGIES LLC (1.09Mn), WESTERLY CAPITAL MANAGEMENT, LLC (1.0Mn).

Form 13F Holdings

76 Institutional Holders

Report period 30 Jun, 2026

Total shares held 27.93Mn

Of outstanding 18.69%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,604,630	3.08%	▲1,531,595	+49.84%	$3.16Mn
2	Carlyle Group Inc.	0001527166	2,343,750	1.57%	▲1,910,592	+441.08%	$1.61Mn
3	Polar Asset Management Partners Inc.	0001326389	2,089,728	1.40%	0	0.00%	$1.44Mn
4	Cygnus Capital Advisors, LLC	0002114319	1,562,251	1.05%	▲1,036,087	+196.91%	$1.07K
5	ARDSLEY ADVISORY PARTNERS LP	0000900529	1,416,065	0.95%	▲456,065	+47.51%	$973.26K
6	DDD Partners, LLC	0001729673	1,377,864	0.92%	▲1,291,764	+1,500.31%	$947.01K
7	PRELUDE CAPITAL MANAGEMENT, LLC	0001387508	1,274,637	0.85%	▲673,081	+111.89%	$876.06K
8	BlackRock, Inc.	0002012383	1,253,980	0.84%	▼2,838,754	-69.36%	$861.86K
9	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,088,467	0.73%	▼294,425	-21.29%	$748.10K
10	WESTERLY CAPITAL MANAGEMENT, LLC	0001546172	1,000,000	0.67%	▲350,000	+53.85%	$687.30K
11	Alyeska Investment Group, L.P.	0001453072	839,577	0.56%	0	0.00%	$577.04K
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	773,432	0.52%	▼1,032,775	-57.18%	$532.02K
13	Diametric Capital, LP	0001719087	730,804	0.49%	▲143,745	+24.49%	$502.28K
14	Qube Research & Technologies Ltd	0001729829	611,002	0.41%	▲611,002	0.00%	$419.94K
15	Yorkville Advisors Global, LP	0001838613	551,000	0.37%	▲551,000	0.00%	$378.54K
16	XTX Topco Ltd	0001828301	484,608	0.32%	▼93,469	-16.17%	$333.07K
17	VANGUARD FIDUCIARY TRUST CO	0000933478	463,988	0.31%	▲24,046	+5.47%	$318.76K
18	UBS Group AG	0001610520	443,958	0.30%	▲338,317	+320.25%	$305.00K
19	Sphera Management Technology Funds Ltd	0002030525	433,500	0.29%	0	0.00%	$297.95K
20	Morgan Stanley	0000895421	431,388	0.29%	▲362,102	+522.62%	$296.49K

Showing 1 to 20 of 76 holders