Secure Waste Infrastructure Corp

2 institutions still hold Secure Waste Infrastructure Corp as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 813921103·2 13F holders·last filed Mar 31, 2026

Market cap

—

▲ 6.9%

vs prior quarter

13F value held

$39M

55.0% inst. owned

of float

Holders

+74 QoQ

filers reporting

Activity

+64 / −8

+963 added · −867 reduced

this quarter

Concentration

79.91%

Private Capital Management, LLC #1

top holder share

AI Holders Summary · Q1 2026

2 institutions reported SECYF in Q1 2026. Private Capital Management, LLC leads at 79.9% of the visible book. +74 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter

Private Capital Management, LLC

CIK 0001588456

$31M2.0M3.12%Q1 2026 02

HALLSTATT ADVISORS L.P.

CIK 0002040638

$8M502K6.23%Q1 2026