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, Q3 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 2025. 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: 1,243; +62 vs. Q2 2025
Shares held: 87.1M; −936.8K (−1.1%) vs. Q2 2025
Total value: $49.0B; +$2.72B (+5.9%) vs. Q2 2025
New holders: 173; 487 more added
Sold out: 111; 418 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

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 holdersQ3 2025: 1,243 institutions

Value heldQ3 2025: $49.0B

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, Q3 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2025.

Institutions holding REGN in Q3 2025
Institution	Shares	Value	% of portfolio	Change in shares	Action
Y.D. More Investments Ltd	28	$47	0.00%	+28	New
Quest 10 Wealth Builders, Inc.	1	$337	0.00%	00.0%	Unchanged
Motco	1	$562	0.00%	00.0%	Unchanged
N.E.W. Advisory Services LLC	1	$562	0.00%	00.0%	Unchanged
HFM Investment Advisors, LLC	1	$562	0.00%	00.0%	Unchanged
Davis Capital Management	1	$562	0.00%	+1	New
Avalon Trust Co	1	$563	0.00%	−49−98.0%	Reduced
Quaker Wealth Management, LLC	1	$563	0.00%	−1−50.0%	Reduced
Delos Wealth Advisors, LLC	1	$563	0.00%	00.0%	Unchanged
Palisade Asset Management, LLC	1	$563	0.00%	+1	New
Breakwater Investment Management	1	$563	0.00%	+1	New
Winnow Wealth LLC	1	$563	0.00%	+1	New
Graney & King, LLC	1	$565	0.00%	−3−75.0%	Reduced
Beaird Harris Wealth Management, LLC	1	$580	0.00%	+1	New
DecisionPoint Financial, LLC	1	$600	0.00%	00.0%	Unchanged
PayPay Securities Corp	2	$934	0.03%	−1−33.3%	Reduced
Bay Harbor Wealth Management, LLC	2	$1.12K	0.00%	+1+100.0%	Added
Hurley Capital, LLC	2	$1.13K	0.00%	−13−86.7%	Reduced
Front Row Advisors LLC	2	$1.13K	0.00%	−1−33.3%	Reduced
DAGCO, Inc.	2	$1.13K	0.00%	00.0%	Unchanged
Cherry Tree Wealth Management, LLC	2	$1.13K	0.00%	00.0%	Unchanged
American Capital Advisory, LLC	2	$1.13K	0.00%	00.0%	Unchanged
Legacy Wealth Managment, LLC	2	$1.13K	0.00%	00.0%	Unchanged
Tradewinds Capital Management, LLC	2	$1.13K	0.00%	+2	New
Dunhill Financial, LLC	2	$1.40K	0.00%	−2−50.0%	Reduced
MRP Capital Investments, LLC	3	$1.57K	0.00%	00.0%	Unchanged
WestEnd Advisors, LLC	3	$1.69K	0.00%	−1−25.0%	Reduced
Longfellow Investment Management Co LLC	3	$1.69K	0.00%	00.0%	Unchanged
Team Financial Group, LLC	3	$1.69K	0.00%	00.0%	Unchanged
Granite FO LLC	3	$1.69K	0.00%	00.0%	Unchanged
Principia Wealth Advisory, LLC	3	$1.69K	0.00%	00.0%	Unchanged
Sound Income Strategies, LLC	3	$1.71K	0.00%	−2−40.0%	Reduced
Cloud Capital Management, LLC	5	$2.00K	0.00%	+5	New
Core Alternative Capital	4	$2.25K	0.00%	−39−90.7%	Reduced
CNB Bank	4	$2.25K	0.00%	00.0%	Unchanged
Richard W. Paul & Associates, LLC	4	$2.25K	0.00%	00.0%	Unchanged
LRI Investments, LLC	4	$2.25K	0.00%	00.0%	Unchanged
Corsicana & Co.	4	$2.25K	0.00%	+4	New
Abich Financial Wealth Management LLC	4	$2.25K	0.00%	+4	New
Hartford Financial Management Inc.	4	$2.25K	0.00%	00.0%	Unchanged
Atlantic Trust, LLC	4	$2.25K	0.00%	00.0%	Unchanged
WealthCollab, LLC	4	$2.25K	0.00%	00.0%	Unchanged
Wolff Wiese Magana LLC	4	$2.25K	0.00%	+2+100.0%	Added
Halbert Hargrove Global Advisors, LLC	4	$2.25K	0.00%	+4	New
Silicon Valley Capital Partners	4	$2.26K	0.00%	00.0%	Unchanged
DiNuzzo Private Wealth, Inc.	4	$2.32K	0.00%	00.0%	Unchanged
FSA Wealth Management LLC	5	$2.81K	0.00%	00.0%	Unchanged
Highline Wealth Partners LLC	5	$2.82K	0.00%	+1+25.0%	Added
Clarity Asset Management, Inc.	5	$2.83K	0.00%	00.0%	Unchanged
Riverview Trust Co	6	$3.37K	0.00%	00.0%	Unchanged
NVWM, LLC	6	$3.37K	0.00%	00.0%	Unchanged
Armstrong Advisory Group, Inc	6	$3.37K	0.00%	00.0%	Unchanged
Strategic Investment Solutions, Inc.	6	$3.37K	0.00%	00.0%	Unchanged
ZRC Wealth Management, LLC	6	$3.37K	0.00%	+6	New
Wealth Watch Advisors, INC	6	$3.37K	0.00%	+6	New
Kozak & Associates, Inc.	5	$3.54K	0.00%	00.0%	Unchanged
Prudent Man Investment Management, Inc.	5	$3.56K	0.00%	00.0%	Unchanged
Cornerstone Planning Group LLC	148	$3.58K	0.00%	+134+957.1%	Added
Clark Wealth Partners	5	$3.86K	0.00%	+5	New
Hughes Financial Services, LLC	6	$3.93K	0.00%	+5+500.0%	Added
Trust Co of Toledo NA	7	$3.94K	0.00%	−1−12.5%	Reduced
Farmers & Merchants Investments Inc	7	$3.94K	0.00%	00.0%	Unchanged
Hollencrest Capital Management	7	$3.95K	0.00%	00.0%	Unchanged
WPG Advisers, LLC	8	$4.50K	0.00%	+1+14.3%	Added
Crewe Advisors LLC	8	$4.50K	0.00%	+8	New
Red Tortoise LLC	9	$5.06K	0.00%	00.0%	Unchanged
IMG Wealth Management, Inc.	9	$5.06K	0.00%	00.0%	Unchanged
Guerra Advisors Inc	9	$5.06K	0.00%	+9	New
Roxbury Financial LLC	9	$5.08K	0.00%	00.0%	Unchanged
Eastern Bank	10	$5.62K	0.00%	−15−60.0%	Reduced
DT Investment Partners, LLC	10	$5.62K	0.00%	00.0%	Unchanged
MTM Investment Management, LLC	10	$5.62K	0.00%	00.0%	Unchanged
S&T Bank	10	$5.62K	0.00%	+3+42.9%	Added
Bare Financial Services, Inc	10	$5.62K	0.00%	+3+42.9%	Added
Transamerica Financial Advisors, Inc.	10	$5.62K	0.00%	+10	New
Steigerwald, Gordon & Koch Inc.	10	$5.62K	0.00%	+10	New
Pacifica Partners Inc.	10	$6.00K	0.00%	00.0%	Unchanged
CKW Financial Group	10	$6.00K	0.00%	00.0%	Unchanged
Addison Advisors LLC	11	$6.19K	0.00%	+4+57.1%	Added
Kerr Financial Planning Corp	9	$6.38K	0.01%	+9	New
Financial Consulate, Inc	12	$6.75K	0.00%	+12	New
JPL Wealth Management, LLC	12	$6.75K	0.00%	+12	New
Avion Wealth	13	$7.00K	0.00%	00.0%	Unchanged
Moisand Fitzgerald Tamayo, LLC	13	$7.31K	0.00%	00.0%	Unchanged
TruNorth Capital Management, LLC	13	$7.31K	0.00%	+13	New
Missouri Trust & Investment Co	14	$7.87K	0.00%	00.0%	Unchanged
Birchbrook, Inc.	14	$7.87K	0.00%	00.0%	Unchanged
Cape Investment Advisory, Inc.	14	$7.87K	0.01%	+6+75.0%	Added
Marquette Asset Management, LLC	14	$7.87K	0.00%	+14	New
Sunbelt Securities, Inc.	14	$7.88K	0.00%	−23−62.2%	Reduced
Fortitude Family Office, LLC	15	$8.43K	0.00%	−3−16.7%	Reduced
Bogart Wealth, LLC	15	$8.43K	0.00%	+3+25.0%	Added
J.Safra Asset Management Corp	15	$8.43K	0.00%	+15	New
Kilter Group LLC	15	$8.44K	0.00%	−7−31.8%	Reduced
Hanson & Doremus Investment Management	16	$9.00K	0.00%	+16	New
CBIZ Investment Advisory Services, LLC	17	$9.56K	0.00%	−34−66.7%	Reduced
Jackson, Grant Investment Advisers, Inc.	17	$9.56K	0.00%	00.0%	Unchanged
Hazlett, Burt & Watson, Inc.	18	$10.0K	0.00%	+4+28.6%	Added
Capital Advisors, Ltd. LLC	17	$10.0K	0.00%	+17	New
Pinnacle Bancorp, Inc.	18	$10.1K	0.00%	+18	New