Great Diamond Partners, LLC

SEC CIK: 0001801112
Latest filing: Jul 17, 2026

SEC filings (opens in a new tab)

COST holding history

Costco Wholesale Corp in every 13F filed by Great Diamond Partners, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 484
Value: $452.8K
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of COST by Great Diamond Partners, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	484	$452.8K	0.1%	+23+5.0%	Added	Holders
Q1 2026	461	$459.4K	0.1%	+6+1.3%	Added	Holders
Q4 2025	455	$392.4K	0.1%	−32−6.6%	Reduced	Holders
Q3 2025	487	$450.8K	0.1%	−26−5.1%	Reduced	Holders
Q2 2025	513	$507.8K	0.1%	+173+50.9%	Added	Holders
Q1 2025	340	$321.6K	0.1%	−6−1.7%	Reduced	Holders
Q4 2024	346	$317.0K	0.1%	−33−8.7%	Reduced	Holders
Q3 2024	379	$336.0K	0.1%	−132−25.8%	Reduced	Holders
Q2 2024	511	$434.3K	0.1%	−66−11.4%	Reduced	Holders
Q1 2024	577	$422.8K	0.1%	+7+1.2%	Added	Holders
Q4 2023	570	$376.4K	0.1%	−183−24.3%	Reduced	Holders
Q3 2023	753	$425.5K	0.1%	+9+1.2%	Added	Holders
Q2 2023	744	$400.6K	0.1%	−32−4.1%	Reduced	Holders
Q1 2023	776	$385.7K	0.1%	+6+0.8%	Added	Holders
Q4 2022	770	$351.6K	0.1%	−20−2.5%	Reduced	Holders
Q3 2022	790	$373.0K	0.1%	−3−0.4%	Reduced	Holders
Q2 2022	793	$380.0K	0.1%	−16−2.0%	Reduced	Holders
Q1 2022	809	$466.0K	0.1%	+66+8.9%	Added	Holders
Q4 2021	743	$421.0K	0.1%	+21+2.9%	Added	Holders
Q3 2021	722	$324.0K	0.1%	−7−1.0%	Reduced	Holders
Q2 2021	729	$288.0K	0.1%	−11−1.5%	Reduced	Holders
Q1 2021	740	$260.0K	0.1%	–	–	Holders

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