Gladstone Institutional Advisory LLC

SEC CIK: 0001766530
Latest filing: Jul 27, 2026

SEC filings (opens in a new tab)

CLH holding history

Clean Harbors Inc in every 13F filed by Gladstone Institutional Advisory LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CLH overview All 13F holders of CLH Full Q2 2026 holdings

Shares (Q1 2025): 0; Sold out in Q1 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 1; Since Q4 2024

Holdings of CLH by Gladstone Institutional Advisory LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2025	0	$0	0.0%	−1,300−100.0%	Sold out	Holders
Q4 2024	1,300	$299.2K	<0.1%	+1,300	New	Holders