Joel Isaacson & Co., LLC

SEC CIK: 0001599330
Latest filing: Aug 4, 2026

SEC filings (opens in a new tab)

REGN holding history

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

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

Shares (Q2 2026): 3,067
Value: $1.91M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of REGN by Joel Isaacson & Co., LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	3,067	$1.91M	0.1%	00.0%	Unchanged	Holders
Q1 2026	3,067	$2.37M	0.1%	−6−0.2%	Reduced	Holders
Q4 2025	3,073	$2.37M	0.1%	00.0%	Unchanged	Holders
Q3 2025	3,073	$1.73M	0.1%	00.0%	Unchanged	Holders
Q2 2025	3,073	$1.61M	0.1%	−225−6.8%	Reduced	Holders
Q1 2025	3,298	$2.09M	0.1%	00.0%	Unchanged	Holders
Q4 2024	3,298	$2.35M	0.1%	−25−0.8%	Reduced	Holders
Q3 2024	3,323	$3.49M	0.2%	00.0%	Unchanged	Holders
Q2 2024	3,323	$3.49M	0.2%	+24+0.7%	Added	Holders
Q1 2024	3,299	$3.18M	0.2%	+2+0.1%	Added	Holders
Q4 2023	3,297	$2.90M	0.2%	+31+0.9%	Added	Holders
Q3 2023	3,266	$2.69M	0.2%	+38+1.2%	Added	Holders
Q2 2023	3,228	$2.32M	0.2%	00.0%	Unchanged	Holders
Q1 2023	3,228	$2.65M	0.2%	−25−0.8%	Reduced	Holders
Q4 2022	3,253	$2.35M	0.2%	+14+0.4%	Added	Holders
Q3 2022	3,239	$2.23M	0.2%	−2−0.1%	Reduced	Holders
Q2 2022	3,241	$1.92M	0.2%	−5−0.2%	Reduced	Holders
Q1 2022	3,246	$2.35M	0.2%	−6−0.2%	Reduced	Holders
Q4 2021	3,252	$2.05M	0.1%	+6+0.2%	Added	Holders
Q3 2021	3,246	$1.96M	0.1%	00.0%	Unchanged	Holders
Q2 2021	3,246	$1.81M	0.1%	−10.0%	Reduced	Holders
Q1 2021	3,247	$1.54M	0.1%	–	–	Holders

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