Harbor Advisory Corp

SEC CIK: 0001100710
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

ABT holding history

Abbott Laboratories in every 13F filed by Harbor Advisory Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 24,316
Value: $2.21M
% of portfolio: 0.6%
Quarters held: 22; Since Q1 2021

Holdings of ABT by Harbor Advisory Corp, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	24,316	$2.21M	0.6%	00.0%	Unchanged	Holders
Q1 2026	24,316	$2.50M	0.8%	−2,550−9.5%	Reduced	Holders
Q4 2025	26,866	$3.37M	1.0%	−1,970−6.8%	Reduced	Holders
Q3 2025	28,836	$3.86M	1.1%	−1,909−6.2%	Reduced	Holders
Q2 2025	30,745	$4.18M	1.3%	−1,598−4.9%	Reduced	Holders
Q1 2025	32,343	$4.29M	1.4%	−690−2.1%	Reduced	Holders
Q4 2024	33,033	$3.74M	1.2%	−1,823−5.2%	Reduced	Holders
Q3 2024	34,856	$3.97M	1.3%	−1,730−4.7%	Reduced	Holders
Q2 2024	36,586	$3.80M	1.3%	−450−1.2%	Reduced	Holders
Q1 2024	37,036	$4.21M	1.4%	−308−0.8%	Reduced	Holders
Q4 2023	37,344	$4.11M	1.5%	−1,052−2.7%	Reduced	Holders
Q3 2023	38,396	$3.72M	1.3%	−360−0.9%	Reduced	Holders
Q2 2023	38,756	$4.23M	1.5%	−125−0.3%	Reduced	Holders
Q1 2023	38,881	$3.94M	1.5%	+224+0.6%	Added	Holders
Q4 2022	38,657	$4.24M	1.7%	−40−0.1%	Reduced	Holders
Q3 2022	38,697	$3.74M	1.7%	−148−0.4%	Reduced	Holders
Q2 2022	38,845	$4.22M	1.8%	+187+0.5%	Added	Holders
Q1 2022	38,658	$4.58M	1.8%	−1,000−2.5%	Reduced	Holders
Q4 2021	39,658	$5.58M	2.3%	+280+0.7%	Added	Holders
Q3 2021	39,378	$4.65M	2.0%	00.0%	Unchanged	Holders
Q2 2021	39,378	$4.57M	2.1%	−935−2.3%	Reduced	Holders
Q1 2021	40,313	$4.83M	1.9%	–	–	Holders

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