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
Lazard Asset Management LLC	3,185	$1.51M	0.00%	–	–
Joel Isaacson & Co., LLC	3,247	$1.54M	0.13%	–	–
Gotham Asset Management, LLC	3,265	$1.54M	0.07%	–	–
IMA Wealth, Inc.	3,277	$1.55M	0.38%	–	–
SRB Corp	3,280	$1.55M	0.11%	–	–
Barrett Asset Management, LLC	3,286	$1.55M	0.08%	–	–
IBM Retirement Fund	3,293	$1.56M	0.11%	–	–
Crossmark Global Holdings, Inc.	3,300	$1.56M	0.04%	–	–
Azzad Asset Management Inc	3,321	$1.57M	0.26%	–	–
Walleye Trading LLC	3,389	$1.60M	0.05%	–	–
CIBC World Markets Inc.	3,388	$1.60M	0.00%	–	–
First Hawaiian Bank	3,436	$1.63M	0.07%	–	–
Central Bank & Trust Co	3,443	$1.63M	0.28%	–	–
BP PLC	3,447	$1.63M	0.06%	–	–
GAM Holding AG	3,456	$1.64M	0.08%	–	–
Perigon Wealth Management, LLC	3,456	$1.64M	0.17%	–	–
Fore Capital, LLC	3,500	$1.66M	2.22%	–	–
Redpoint Investment Management Pty Ltd	3,513	$1.66M	0.14%	–	–
Sumitomo Life Insurance Co	3,519	$1.67M	0.07%	–	–
Federated Hermes, Inc.	3,526	$1.67M	0.00%	–	–
Dillon & Associates Inc	3,537	$1.67M	0.36%	–	–
Oak Associates, Ltd	3,575	$1.69M	0.10%	–	–
Cito Capital Group, LLC	3,600	$1.70M	0.83%	–	–
Busey Wealth Management	3,611	$1.71M	0.09%	–	–
Hudson Canyon Capital Management	3,625	$1.72M	1.35%	–	–
Banque Cantonale Vaudoise	3,647	$1.73M	0.09%	–	–
Ameritas Investment Partners, Inc.	3,663	$1.73M	0.07%	–	–
Winton Group Ltd	3,668	$1.74M	0.10%	–	–
Palouse Capital Management, Inc.	3,680	$1.74M	0.77%	–	–
Malaga Cove Capital, LLC	3,668	$1.74M	0.74%	–	–
DuPont Capital Management Corp	3,693	$1.75M	0.04%	–	–
Cigna Investments Inc	3,747	$1.77M	0.12%	–	–
AE Wealth Management LLC	3,748	$1.77M	0.02%	–	–
Advisors Preferred, LLC	3,785	$1.80M	0.26%	–	–
Tower View Investment Management & Research LLC	3,819	$1.81M	0.99%	–	–
Hudson Capital Management LLC	3,846	$1.82M	0.78%	–	–
Gilman Hill Asset Management, LLC	3,851	$1.82M	0.50%	–	–
Signet Financial Management, LLC	3,867	$1.83M	0.34%	–	–
Sterling Investment Advisors, Ltd.	3,903	$1.85M	0.60%	–	–
Founders Capital Management, LLC	3,920	$1.85M	0.47%	–	–
Slow Capital, Inc.	3,524	$1.90M	0.41%	–	–
Capstone Investment Advisors, LLC	4,030	$1.91M	0.06%	–	–
FourThought Financial, LLC	4,068	$1.92M	0.28%	–	–
Belpointe Asset Management LLC	4,501	$1.93M	0.17%	–	–
M&T Bank Corp	4,096	$1.94M	0.01%	–	–
E. Ohman J:or Asset Management AB	4,100	$1.94M	0.07%	–	–
Fiera Capital Corp	4,219	$2.00M	0.01%	–	–
Harbor Investment Advisory, LLC	4,228	$2.00M	0.30%	–	–
Amica Mutual Insurance Co	4,341	$2.05M	0.23%	–	–
Wunderlich Capital Managemnt	4,399	$2.08M	1.14%	–	–
Capitolis Advisors LLC	4,448	$2.10M	0.04%	–	–
Strategic Blueprint, LLC	4,454	$2.11M	0.45%	–	–
Morris Capital Advisors, LLC	4,488	$2.12M	1.72%	–	–
Strategic Global Advisors, LLC	4,494	$2.13M	0.38%	–	–
Nachman Norwood & Parrott, Inc	4,501	$2.13M	0.23%	–	–
Ennismore Fund Management Ltd	4,501	$2.13M	2.97%	–	–
Marietta Wealth Management, LLC	4,504	$2.13M	0.53%	–	–
Caas Capital Management LP	4,520	$2.14M	0.06%	–	–
Pearl River Capital, LLC	4,548	$2.15M	0.69%	–	–
Sectoral Asset Management Inc	4,620	$2.19M	0.17%	–	–
Northwestern Mutual Investment Management Company, LLC	4,773	$2.26M	0.04%	–	–
Hedeker Wealth, LLC	4,862	$2.30M	0.81%	–	–
Sector Gamma AS	4,876	$2.31M	0.42%	–	–
Next Century Growth Investors LLC	4,880	$2.31M	0.18%	–	–
Twin Tree Management, LP	4,884	$2.31M	0.09%	–	–
Steward Partners Investment Advisory, LLC	4,894	$2.32M	0.04%	–	–
CWM, LLC	4,146	$2.32M	0.02%	–	–
Kestra Advisory Services, LLC	4,946	$2.34M	0.03%	–	–
Colony Group LLC	4,970	$2.35M	0.05%	–	–
Varma Mutual Pension Insurance Co	5,000	$2.37M	0.03%	–	–
Cornerstone Advisors, LLC	5,000	$2.37M	0.21%	–	–
Fisher Asset Management, LLC	5,115	$2.42M	0.00%	–	–
Evergreen Capital Management LLC	5,218	$2.47M	0.13%	–	–
Augustine Asset Management Inc	5,253	$2.48M	1.31%	–	–
Regentatlantic Capital LLC	5,320	$2.52M	0.08%	–	–
Bokf, NA	5,483	$2.59M	0.05%	–	–
Alexandria Capital, LLC	5,520	$2.61M	0.26%	–	–
Distillate Capital Partners LLC	5,654	$2.67M	0.87%	–	–
Cerity Partners LLC	5,682	$2.69M	0.06%	–	–
Girard Partners Ltd.	5,719	$2.71M	0.39%	–	–
Magnetar Financial LLC	5,832	$2.76M	0.03%	–	–
Weiss Multi-Strategy Advisers LLC	5,869	$2.78M	0.06%	–	–
Hennessy Advisors Inc	6,000	$2.84M	0.17%	–	–
US Bancorp	6,018	$2.85M	0.01%	–	–
Twin Capital Management Inc	6,029	$2.85M	0.28%	–	–
Amalgamated Bank	6,048	$2.86M	0.11%	–	–
USS Investment Management Ltd	6,048	$2.86M	0.03%	–	–
Mercer Global Advisors Inc	6,062	$2.87M	0.03%	–	–
Optimal Asset Management, Inc.	6,127	$2.90M	0.38%	–	–
Harvest Investment Services, LLC	6,133	$2.90M	1.31%	–	–
HighTower Advisors, LLC	6,136	$2.90M	0.01%	–	–
Kentucky Retirement Systems	6,245	$2.96M	0.14%	–	–
Creative Planning	6,306	$2.98M	0.01%	–	–
Parsec Financial Management, Inc.	6,324	$2.99M	0.15%	–	–
New Mexico Educational Retirement Board	6,400	$3.03M	0.12%	–	–
Wealthfront Advisers LLC	6,483	$3.07M	0.02%	–	–
Pentwater Capital Management LP	6,500	$3.08M	0.04%	–	–
Cutter & CO Brokerage, Inc.	6,534	$3.09M	0.75%	–	–
First Republic Investment Management, Inc.	6,747	$3.19M	0.01%	–	–
Alpine Woods Capital Investors, LLC	6,825	$3.23M	0.36%	–	–