Regeneron Pharmaceuticals, Inc.

REGN

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0000872589

SEC filings (opens in a new tab)

In the last 90 days, Regeneron Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 1,342 institutions reported holding it in 13F filings for Q2 2026, worth $57.1B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

13F holders, Q1 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 926; No complete 13F data for Q4 2020
Shares held: 89.6M; No complete 13F data for Q4 2020
Total value: $42.3B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting REGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 926 institutions

Value heldQ1 2021: $42.3B

Institutions holding REGN and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,342	$57.1B
Q1 2026	1,401	$69.8B
Q4 2025	1,387	$70.7B
Q3 2025	1,243	$49.0B
Q2 2025	1,201	$46.9B
Q1 2025	1,290	$59.0B
Q4 2024	1,320	$66.6B
Q3 2024	1,393	$97.5B
Q2 2024	1,335	$98.9B
Q1 2024	1,313	$89.3B
Q4 2023	1,274	$80.3B
Q3 2023	1,180	$75.1B
Q2 2023	1,168	$66.2B
Q1 2023	1,196	$76.1B
Q4 2022	1,161	$66.9B
Q3 2022	1,081	$64.0B
Q2 2022	1,066	$55.0B
Q1 2022	1,097	$64.5B
Q4 2021	1,081	$56.9B
Q3 2021	1,022	$54.5B
Q2 2021	975	$49.6B
Q1 2021	926	$42.3B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc..

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

Institutions holding REGN in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Sumitomo Mitsui DS Asset Management Company, Ltd	8,103	$3.83M	0.10%	–	–
Garnet Equity Capital Holdings, Inc.	8,000	$3.79M	2.43%	–	–
Ledyard National Bank	7,944	$3.76M	0.40%	–	–
IndexIQ Advisors LLC	7,896	$3.74M	0.13%	–	–
Veracity Capital LLC	7,885	$3.73M	1.74%	–	–
Dock Street Asset Management Inc	7,739	$3.66M	0.76%	–	–
Daiwa Securities Group Inc.	7,642	$3.62M	0.03%	–	–
Berger Financial Group, Inc	7,576	$3.58M	0.78%	–	–
Fagan Associates, Inc.	7,469	$3.53M	0.83%	–	–
Claudia M.P. Batlle, CRP (R) LLC	7,443	$3.52M	2.58%	–	–
Maryland State Retirement & Pension System	7,412	$3.51M	0.12%	–	–
Cardinal Capital Management	7,364	$3.48M	0.77%	–	–
B. Metzler seel. Sohn & Co. Holding AG	7,341	$3.47M	0.06%	–	–
Unigestion Holding SA	7,271	$3.44M	0.12%	–	–
CWM Advisors, LLC	7,269	$3.44M	0.53%	–	–
Caisse de Depot Et Placement du Quebec	7,229	$3.42M	0.01%	–	–
Central Trust Co	7,152	$3.38M	0.13%	–	–
AlphaCrest Capital Management LLC	7,145	$3.38M	0.19%	–	–
Family Management Corp	7,086	$3.35M	1.05%	–	–
Prudential PLC	7,078	$3.35M	0.02%	–	–
Edmond de Rothschild Holding S.A.	7,046	$3.33M	0.09%	–	–
Odey Asset Management Group Ltd	7,000	$3.31M	0.93%	–	–
Livforsakringsbolaget Skandia, Omsesidigt	6,906	$3.27M	0.23%	–	–
Exchange Traded Concepts, LLC	6,900	$3.27M	0.12%	–	–
Essex Investment Management Co LLC	6,844	$3.24M	0.39%	–	–
Alpine Woods Capital Investors, LLC	6,825	$3.23M	0.36%	–	–
First Republic Investment Management, Inc.	6,747	$3.19M	0.01%	–	–
Cutter & CO Brokerage, Inc.	6,534	$3.09M	0.75%	–	–
Pentwater Capital Management LP	6,500	$3.08M	0.04%	–	–
Wealthfront Advisers LLC	6,483	$3.07M	0.02%	–	–
New Mexico Educational Retirement Board	6,400	$3.03M	0.12%	–	–
Parsec Financial Management, Inc.	6,324	$2.99M	0.15%	–	–
Creative Planning	6,306	$2.98M	0.01%	–	–
Kentucky Retirement Systems	6,245	$2.96M	0.14%	–	–
HighTower Advisors, LLC	6,136	$2.90M	0.01%	–	–
Harvest Investment Services, LLC	6,133	$2.90M	1.31%	–	–
Optimal Asset Management, Inc.	6,127	$2.90M	0.38%	–	–
Mercer Global Advisors Inc	6,062	$2.87M	0.03%	–	–
Amalgamated Bank	6,048	$2.86M	0.11%	–	–
USS Investment Management Ltd	6,048	$2.86M	0.03%	–	–
Twin Capital Management Inc	6,029	$2.85M	0.28%	–	–
US Bancorp	6,018	$2.85M	0.01%	–	–
Hennessy Advisors Inc	6,000	$2.84M	0.17%	–	–
Weiss Multi-Strategy Advisers LLC	5,869	$2.78M	0.06%	–	–
Magnetar Financial LLC	5,832	$2.76M	0.03%	–	–
Girard Partners Ltd.	5,719	$2.71M	0.39%	–	–
Cerity Partners LLC	5,682	$2.69M	0.06%	–	–
Distillate Capital Partners LLC	5,654	$2.67M	0.87%	–	–
Alexandria Capital, LLC	5,520	$2.61M	0.26%	–	–
Bokf, NA	5,483	$2.59M	0.05%	–	–
Regentatlantic Capital LLC	5,320	$2.52M	0.08%	–	–
Augustine Asset Management Inc	5,253	$2.48M	1.31%	–	–
Evergreen Capital Management LLC	5,218	$2.47M	0.13%	–	–
Fisher Asset Management, LLC	5,115	$2.42M	0.00%	–	–
Cornerstone Advisors, LLC	5,000	$2.37M	0.21%	–	–
Varma Mutual Pension Insurance Co	5,000	$2.37M	0.03%	–	–
Colony Group LLC	4,970	$2.35M	0.05%	–	–
Kestra Advisory Services, LLC	4,946	$2.34M	0.03%	–	–
CWM, LLC	4,146	$2.32M	0.02%	–	–
Steward Partners Investment Advisory, LLC	4,894	$2.32M	0.04%	–	–
Twin Tree Management, LP	4,884	$2.31M	0.09%	–	–
Next Century Growth Investors LLC	4,880	$2.31M	0.18%	–	–
Sector Gamma AS	4,876	$2.31M	0.42%	–	–
Hedeker Wealth, LLC	4,862	$2.30M	0.81%	–	–
Northwestern Mutual Investment Management Company, LLC	4,773	$2.26M	0.04%	–	–
Sectoral Asset Management Inc	4,620	$2.19M	0.17%	–	–
Pearl River Capital, LLC	4,548	$2.15M	0.69%	–	–
Caas Capital Management LP	4,520	$2.14M	0.06%	–	–
Marietta Wealth Management, LLC	4,504	$2.13M	0.53%	–	–
Ennismore Fund Management Ltd	4,501	$2.13M	2.97%	–	–
Nachman Norwood & Parrott, Inc	4,501	$2.13M	0.23%	–	–
Strategic Global Advisors, LLC	4,494	$2.13M	0.38%	–	–
Morris Capital Advisors, LLC	4,488	$2.12M	1.72%	–	–
Strategic Blueprint, LLC	4,454	$2.11M	0.45%	–	–
Capitolis Advisors LLC	4,448	$2.10M	0.04%	–	–
Wunderlich Capital Managemnt	4,399	$2.08M	1.14%	–	–
Amica Mutual Insurance Co	4,341	$2.05M	0.23%	–	–
Harbor Investment Advisory, LLC	4,228	$2.00M	0.30%	–	–
Fiera Capital Corp	4,219	$2.00M	0.01%	–	–
E. Ohman J:or Asset Management AB	4,100	$1.94M	0.07%	–	–
M&T Bank Corp	4,096	$1.94M	0.01%	–	–
Belpointe Asset Management LLC	4,501	$1.93M	0.17%	–	–
FourThought Financial, LLC	4,068	$1.92M	0.28%	–	–
Capstone Investment Advisors, LLC	4,030	$1.91M	0.06%	–	–
Slow Capital, Inc.	3,524	$1.90M	0.41%	–	–
Founders Capital Management, LLC	3,920	$1.85M	0.47%	–	–
Sterling Investment Advisors, Ltd.	3,903	$1.85M	0.60%	–	–
Signet Financial Management, LLC	3,867	$1.83M	0.34%	–	–
Gilman Hill Asset Management, LLC	3,851	$1.82M	0.50%	–	–
Hudson Capital Management LLC	3,846	$1.82M	0.78%	–	–
Tower View Investment Management & Research LLC	3,819	$1.81M	0.99%	–	–
Advisors Preferred, LLC	3,785	$1.80M	0.26%	–	–
Cigna Investments Inc	3,747	$1.77M	0.12%	–	–
AE Wealth Management LLC	3,748	$1.77M	0.02%	–	–
DuPont Capital Management Corp	3,693	$1.75M	0.04%	–	–
Malaga Cove Capital, LLC	3,668	$1.74M	0.74%	–	–
Palouse Capital Management, Inc.	3,680	$1.74M	0.77%	–	–
Winton Group Ltd	3,668	$1.74M	0.10%	–	–
Ameritas Investment Partners, Inc.	3,663	$1.73M	0.07%	–	–
Banque Cantonale Vaudoise	3,647	$1.73M	0.09%	–	–