Alliancebernstein L.P.

SEC CIK: 0001109448
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

REGN holding history

Regeneron Pharmaceuticals, Inc. in every 13F filed by Alliancebernstein L.P., 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): 292,338
Value: $225.9M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of REGN by Alliancebernstein L.P., by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	292,338	$225.9M	0.1%	−134,576−31.5%	Reduced	Holders
Q1 2026	426,914	$329.5M	0.1%	−51,475−10.8%	Reduced	Holders
Q4 2025	478,389	$369.3M	0.1%	−45,494−8.7%	Reduced	Holders
Q3 2025	523,883	$294.6M	0.1%	−63,344−10.8%	Reduced	Holders
Q2 2025	587,227	$308.3M	0.1%	−22,381−3.7%	Reduced	Holders
Q1 2025	609,608	$386.6M	0.1%	−13,548−2.2%	Reduced	Holders
Q4 2024	623,156	$443.9M	0.2%	+43,638+7.5%	Added	Holders
Q3 2024	579,518	$609.2M	0.2%	−115,579−16.6%	Reduced	Holders
Q2 2024	695,097	$730.6M	0.3%	−41,436−5.6%	Reduced	Holders
Q1 2024	736,533	$708.9M	0.3%	−7,684−1.0%	Reduced	Holders
Q4 2023	744,217	$653.6M	0.3%	+51,959+7.5%	Added	Holders
Q3 2023	692,258	$569.7M	0.2%	+4,399+0.6%	Added	Holders
Q2 2023	687,859	$494.3M	0.2%	+74,973+12.2%	Added	Holders
Q1 2023	612,886	$503.6M	0.2%	+7,708+1.3%	Added	Holders
Q4 2022	605,178	$436.6M	0.2%	−48,195−7.4%	Reduced	Holders
Q3 2022	653,373	$450.1M	0.2%	−672−0.1%	Reduced	Holders
Q2 2022	654,045	$386.6M	0.2%	+76,176+13.2%	Added	Holders
Q1 2022	577,869	$403.6M	0.2%	+7,749+1.4%	Added	Holders
Q4 2021	570,120	$360.0M	0.1%	+68,434+13.6%	Added	Holders
Q3 2021	501,686	$303.6M	0.1%	−378,465−43.0%	Reduced	Holders
Q2 2021	880,151	$491.6M	0.2%	−1,197,100−57.6%	Reduced	Holders
Q1 2021	2,077,251	$982.8M	0.4%	–	–	Holders

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