Albert D Mason Inc

SEC CIK: 0001169318
Latest filing: Jul 22, 2026

SEC filings (opens in a new tab)

ATR holding history

Aptargroup, Inc. in every 13F filed by Albert D Mason Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 10,459
Value: $1.31M
% of portfolio: 0.7%
Quarters held: 22; Since Q1 2021

Holdings of ATR by Albert D Mason Inc, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	10,459	$1.31M	0.7%	+71+0.7%	Added	Holders
Q1 2026	10,388	$1.31M	0.8%	+111+1.1%	Added	Holders
Q4 2025	10,277	$1.25M	0.8%	+45+0.4%	Added	Holders
Q3 2025	10,232	$1.37M	0.9%	+360+3.6%	Added	Holders
Q2 2025	9,872	$1.54M	1.1%	−578−5.5%	Reduced	Holders
Q1 2025	10,450	$1.55M	1.1%	+198+1.9%	Added	Holders
Q4 2024	10,252	$1.61M	1.1%	+135+1.3%	Added	Holders
Q3 2024	10,117	$1.62M	1.0%	−146−1.4%	Reduced	Holders
Q2 2024	10,263	$1.45M	1.0%	+6+0.1%	Added	Holders
Q1 2024	10,257	$1.48M	0.9%	+77+0.8%	Added	Holders
Q4 2023	10,180	$1.26M	0.8%	−20−0.2%	Reduced	Holders
Q3 2023	10,200	$1.27M	0.9%	−195−1.9%	Reduced	Holders
Q2 2023	10,395	$1.20M	0.8%	00.0%	Unchanged	Holders
Q1 2023	10,395	$1.23M	0.9%	−46−0.4%	Reduced	Holders
Q4 2022	10,441	$1.15M	0.8%	+32+0.3%	Added	Holders
Q3 2022	10,409	$989.0K	0.8%	+50.0%	Added	Holders
Q2 2022	10,404	$1.07M	0.8%	+1,134+12.2%	Added	Holders
Q1 2022	9,270	$1.09M	0.7%	−13−0.1%	Reduced	Holders
Q4 2021	9,283	$1.14M	0.7%	−40.0%	Reduced	Holders
Q3 2021	9,287	$1.11M	0.7%	−29−0.3%	Reduced	Holders
Q2 2021	9,316	$1.31M	0.8%	−203−2.1%	Reduced	Holders
Q1 2021	9,519	$1.35M	0.9%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.