DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated

SPDR S&P 500 ETF TR

1 institutions still hold SPDR S&P 500 ETF TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 78462F109·1 13F holders·last filed Mar 31, 2026

Market cap

—

▲ 9.3%

vs prior quarter

13F value held

$224M

49.0% inst. owned

of float

Holders

-79 QoQ

filers reporting

Activity

+14 / −87

+928 added · −856 reduced

this quarter

Concentration

100.00%

SUMMIT SECURITIES GROUP LLC #1

top holder share

AI Holders Summary · Q1 2026

1 institutions reported SPDR S&P 500 ETF TR in Q1 2026. SUMMIT SECURITIES GROUP LLC leads at 100.0% of the visible book. -79 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter

SUMMIT SECURITIES GROUP LLC

CIK 0001531593

$224M345K27.69%Q1 2026