Grandfield & Dodd, LLC

SEC CIK: 0001308016
Latest filing: Aug 7, 2026

SEC filings (opens in a new tab)

IONS holding history

Ionis Pharmaceuticals Inc in every 13F filed by Grandfield & Dodd, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 37,077
Value: $2.94M
% of portfolio: 0.2%
Quarters held: 22; Since Q1 2021

Holdings of IONS by Grandfield & Dodd, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	37,077	$2.94M	0.2%	−249−0.7%	Reduced	Holders
Q1 2026	37,326	$2.80M	0.2%	−495−1.3%	Reduced	Holders
Q4 2025	37,821	$2.99M	0.2%	+146+0.4%	Added	Holders
Q3 2025	37,675	$2.46M	0.1%	+445+1.2%	Added	Holders
Q2 2025	37,230	$1.47M	0.1%	−531−1.4%	Reduced	Holders
Q1 2025	37,761	$1.14M	0.1%	+1,874+5.2%	Added	Holders
Q4 2024	35,887	$1.25M	0.1%	+1,074+3.1%	Added	Holders
Q3 2024	34,813	$1.39M	0.1%	+760+2.2%	Added	Holders
Q2 2024	34,053	$1.62M	0.1%	+279+0.8%	Added	Holders
Q1 2024	33,774	$1.46M	0.1%	+670+2.0%	Added	Holders
Q4 2023	33,104	$1.67M	0.1%	+242+0.7%	Added	Holders
Q3 2023	32,862	$1.49M	0.1%	+183+0.6%	Added	Holders
Q2 2023	32,679	$1.34M	0.1%	+395+1.2%	Added	Holders
Q1 2023	32,284	$1.15M	0.1%	+810+2.6%	Added	Holders
Q4 2022	31,474	$1.19M	0.1%	+2,403+8.3%	Added	Holders
Q3 2022	29,071	$1.29M	0.1%	+795+2.8%	Added	Holders
Q2 2022	28,276	$1.05M	0.1%	+275+1.0%	Added	Holders
Q1 2022	28,001	$1.04M	0.1%	+1,230+4.6%	Added	Holders
Q4 2021	26,771	$810.0K	0.1%	+5,080+23.4%	Added	Holders
Q3 2021	21,691	$730.0K	0.1%	+638+3.0%	Added	Holders
Q2 2021	21,053	$840.0K	0.1%	+700+3.4%	Added	Holders
Q1 2021	20,353	$920.0K	0.1%	–	–	Holders

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