Rafferty Asset Management, LLC

SEC CIK: 0001389426
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

REGN holding history

Regeneron Pharmaceuticals, Inc. in every 13F filed by Rafferty Asset Management, 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): 38,534
Value: $24.0M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of REGN by Rafferty Asset Management, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	38,534	$24.0M	0.1%	+8,945+30.2%	Added	Holders
Q1 2026	29,589	$22.9M	0.1%	−5,730−16.2%	Reduced	Holders
Q4 2025	35,319	$27.3M	0.1%	−11,153−24.0%	Reduced	Holders
Q3 2025	46,472	$26.1M	0.1%	−6,156−11.7%	Reduced	Holders
Q2 2025	52,628	$27.6M	0.1%	+7,926+17.7%	Added	Holders
Q1 2025	44,702	$28.4M	0.1%	−2,906−6.1%	Reduced	Holders
Q4 2024	47,608	$33.9M	0.1%	+11,909+33.4%	Added	Holders
Q3 2024	35,699	$37.5M	0.1%	−5,518−13.4%	Reduced	Holders
Q2 2024	41,217	$43.3M	0.2%	+7,945+23.9%	Added	Holders
Q1 2024	33,272	$32.0M	0.1%	−904−2.6%	Reduced	Holders
Q4 2023	34,176	$30.0M	0.1%	+2,121+6.6%	Added	Holders
Q3 2023	32,055	$26.4M	0.2%	+1,411+4.6%	Added	Holders
Q2 2023	30,644	$22.0M	0.1%	+4,971+19.4%	Added	Holders
Q1 2023	25,673	$21.1M	0.1%	−364−1.4%	Reduced	Holders
Q4 2022	26,037	$18.8M	0.2%	+1,245+5.0%	Added	Holders
Q3 2022	24,792	$17.1M	0.2%	+4,467+22.0%	Added	Holders
Q2 2022	20,325	$12.0M	0.1%	−897−4.2%	Reduced	Holders
Q1 2022	21,222	$14.8M	0.1%	+3,136+17.3%	Added	Holders
Q4 2021	18,086	$11.4M	0.1%	+3,487+23.9%	Added	Holders
Q3 2021	14,599	$8.84M	0.1%	+665+4.8%	Added	Holders
Q2 2021	13,934	$7.78M	<0.1%	−2,691−16.2%	Reduced	Holders
Q1 2021	16,625	$7.87M	0.1%	–	–	Holders

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