Banco Santander, S.A.

SEC CIK: 0000891478
Latest filing: Jul 29, 2026

SEC filings (opens in a new tab)

REGN holding history

Regeneron Pharmaceuticals, Inc. in every 13F filed by Banco Santander, S.A., 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): 51,479
Value: $32.1M
% of portfolio: 0.2%
Quarters held: 22; Since Q1 2021

Holdings of REGN by Banco Santander, S.A., by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	51,479	$32.1M	0.2%	+10,889+26.8%	Added	Holders
Q1 2026	40,590	$31.4M	0.3%	+2,858+7.6%	Added	Holders
Q4 2025	37,732	$29.1M	0.2%	−33,403−47.0%	Reduced	Holders
Q3 2025	71,135	$40.0M	0.4%	+51,577+263.7%	Added	Holders
Q2 2025	19,558	$10.3M	0.1%	+7,706+65.0%	Added	Holders
Q1 2025	11,852	$7.52M	0.1%	+4,374+58.5%	Added	Holders
Q4 2024	7,478	$5.33M	0.1%	−220−2.9%	Reduced	Holders
Q3 2024	7,698	$8.09M	0.1%	+127+1.7%	Added	Holders
Q2 2024	7,571	$7.96M	0.1%	+126+1.7%	Added	Holders
Q1 2024	7,445	$7.17M	0.1%	−959−11.4%	Reduced	Holders
Q4 2023	8,404	$7.38M	0.1%	−677−7.5%	Reduced	Holders
Q3 2023	9,081	$7.47M	0.1%	−450−4.7%	Reduced	Holders
Q2 2023	9,531	$6.85M	0.1%	−2,070−17.8%	Reduced	Holders
Q1 2023	11,601	$9.53M	0.1%	−1,089−8.6%	Reduced	Holders
Q4 2022	12,690	$9.16M	0.1%	−4,084−24.3%	Reduced	Holders
Q3 2022	16,774	$11.6M	0.2%	−96−0.6%	Reduced	Holders
Q2 2022	16,870	$9.97M	0.1%	−3,900−18.8%	Reduced	Holders
Q1 2022	20,770	$14.5M	0.2%	+2,370+12.9%	Added	Holders
Q4 2021	18,400	$11.6M	0.1%	+2,514+15.8%	Added	Holders
Q3 2021	15,886	$9.61M	0.1%	−2,791−14.9%	Reduced	Holders
Q2 2021	18,677	$10.4M	0.1%	+727+4.1%	Added	Holders
Q1 2021	17,950	$8.49M	0.1%	–	–	Holders

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