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; 1,341 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, Q2 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 2026. 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: 1,341; −44 vs. Q1 2026
Shares held: 91.4M; +1.18M (+1.3%) vs. Q1 2026
Total value: $57.1B; −$12.5B (−17.9%) vs. Q1 2026
New holders: 125; 485 more added
Sold out: 169; 542 more reduced

16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,341 institutions

Value heldQ2 2026: $57.1B

Institutions holding REGN and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,341	$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, Q2 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding REGN in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Kingdom Financial Group LLC.	0	$2	0.00%	0	New
Copia Wealth Management	0	$18	0.00%	0	Unchanged
Cordant, Inc.	0	$100	0.00%	0	New
Darwin Advisors, LLC	0	$449	0.00%	0	New
Halbert Hargrove Global Advisors, LLC	1	$524	0.00%	+1	New
N.E.W. Advisory Services LLC	1	$624	0.00%	00.0%	Unchanged
Atlantic Private Wealth, LLC	1	$624	0.00%	00.0%	Unchanged
Breakwater Investment Management	1	$624	0.00%	00.0%	Unchanged
Seneschal Advisors, LLC	1	$624	0.00%	00.0%	Unchanged
Godfrey Financial Associates, Inc.	1	$624	0.00%	00.0%	Unchanged
Three Bearings Fiduciary Advisors, Inc.	1	$624	0.00%	00.0%	Unchanged
Plante Moran Financial Advisors, LLC	1	$624	0.00%	+1	New
Hoey Investments, Inc	1	$624	0.00%	+1	New
Morton Brown Family Wealth, LLC	1	$624	0.00%	+1	New
Spectrum Wealth Advisory Group, LLC	1	$625	0.00%	+1	New
Beaird Harris Wealth Management, LLC	1	$643	0.00%	00.0%	Unchanged
Networth Advisors, LLC	2	$1.25K	0.00%	00.0%	Unchanged
PayPay Securities Corp	2	$1.25K	0.05%	00.0%	Unchanged
Davis Capital Management	2	$1.25K	0.00%	+1+100.0%	Added
Alerus Financial NA	2	$1.25K	0.00%	+2	New
Park Square Financial Group, LLC	2	$1.25K	0.01%	+2	New
Oakmont Advisory Group, LLC	2	$1.25K	0.00%	+2	New
Addison Advisors LLC	2	$1.25K	0.00%	−10−83.3%	Reduced
Quaker Wealth Management, LLC	2	$1.25K	0.00%	00.0%	Unchanged
Tounjian Advisory Partners, LLC	2	$1.25K	0.00%	+2	New
Front Row Advisors LLC	2	$1.59K	0.00%	00.0%	Unchanged
JNBA Financial Advisors	3	$1.87K	0.00%	00.0%	Unchanged
Foster Dykema Cabot & Partners, LLC	3	$1.87K	0.00%	00.0%	Unchanged
Granite FO LLC	3	$1.87K	0.00%	00.0%	Unchanged
McGuire Capital Advisors Inc	3	$1.87K	0.00%	00.0%	Unchanged
Motco	3	$1.87K	0.00%	+2+200.0%	Added
CNB Bank	4	$2.49K	0.00%	00.0%	Unchanged
Arlington Trust Co LLC	4	$2.49K	0.00%	00.0%	Unchanged
Corsicana & Co.	4	$2.49K	0.00%	00.0%	Unchanged
American Capital Advisory, LLC	4	$2.50K	0.00%	−1−20.0%	Reduced
Hartford Financial Management Inc.	4	$2.50K	0.00%	00.0%	Unchanged
Wolff Wiese Magana LLC	4	$2.50K	0.00%	00.0%	Unchanged
Valued Wealth Advisors LLC	4	$2.50K	0.00%	+1+33.3%	Added
Torren Management, LLC	4	$2.51K	0.00%	00.0%	Unchanged
Silicon Valley Capital Partners	4	$2.52K	0.00%	00.0%	Unchanged
Dunhill Financial, LLC	4	$2.73K	0.00%	00.0%	Unchanged
TIAA Wealth Investment Management LLC	5	$2.81K	0.00%	−3−37.5%	Reduced
Activest Wealth Management	5	$3.12K	0.00%	−81−94.2%	Reduced
Aspect Partners, LLC	5	$3.12K	0.00%	−17−77.3%	Reduced
Rialto Wealth Management, LLC	5	$3.12K	0.00%	−2−28.6%	Reduced
First Command Advisory Services, Inc.	5	$3.12K	0.00%	00.0%	Unchanged
Elevated Capital Advisors, LLC	5	$3.12K	0.00%	00.0%	Unchanged
Principia Wealth Advisory, LLC	5	$3.12K	0.00%	00.0%	Unchanged
IMG Wealth Management, Inc.	5	$3.12K	0.00%	+2+66.7%	Added
Cape Investment Advisory, Inc.	5	$3.12K	0.00%	+5	New
NBH Bank	5	$3.12K	0.00%	+5	New
Signature Equity Partners, LLC	5	$3.12K	0.00%	00.0%	Unchanged
Kozak & Associates, Inc.	5	$3.15K	0.00%	00.0%	Unchanged
Riverview Trust Co	6	$3.74K	0.00%	00.0%	Unchanged
Planning Strategies Inc.	6	$3.74K	0.00%	+6	New
Armstrong Advisory Group, Inc	6	$3.74K	0.00%	00.0%	Unchanged
DiNuzzo Private Wealth, Inc.	6	$3.74K	0.00%	00.0%	Unchanged
CBIZ Investment Advisory Services, LLC	5	$3.86K	0.00%	00.0%	Unchanged
LRI Investments, LLC	7	$4.37K	0.00%	−9−56.3%	Reduced
United Financial Planning Group LLC	7	$4.37K	0.00%	−7−50.0%	Reduced
North Star Investment Management Corp.	7	$4.37K	0.00%	−4−36.4%	Reduced
Trust Co of Toledo NA	7	$4.37K	0.00%	−1−12.5%	Reduced
Moisand Fitzgerald Tamayo, LLC	7	$4.37K	0.00%	00.0%	Unchanged
Farmers & Merchants Investments Inc	7	$4.37K	0.00%	00.0%	Unchanged
HFM Investment Advisors, LLC	7	$4.37K	0.00%	+5+250.0%	Added
BOK Financial Private Wealth, Inc.	7	$4.37K	0.00%	+7	New
Creative Capital Management Investments LLC	7	$4.37K	0.00%	+7	New
Marshall Investment Management, LLC	7	$4.37K	0.00%	+7	New
Hollencrest Capital Management	7	$4.39K	0.00%	00.0%	Unchanged
S&T Bank	8	$4.99K	0.00%	−3−27.3%	Reduced
Nemes Rush Group LLC	8	$4.99K	0.00%	00.0%	Unchanged
Burk Holdings LLC	8	$4.99K	0.00%	00.0%	Unchanged
Buck Wealth Strategies, LLC	8	$4.99K	0.00%	+8	New
Kerr Financial Planning Corp	10	$5.64K	0.01%	−1−9.1%	Reduced
Roxbury Financial LLC	9	$5.65K	0.00%	00.0%	Unchanged
CKW Financial Group	10	$6.00K	0.00%	00.0%	Unchanged
Wilkerson Advisory Group LLC	10	$6.24K	0.00%	−1−9.1%	Reduced
Hilton Head Capital Partners, LLC	10	$6.24K	0.00%	00.0%	Unchanged
Decker Retirement Planning Inc.	10	$6.24K	0.00%	+10	New
DT Investment Partners, LLC	10	$6.24K	0.00%	00.0%	Unchanged
Crewe Advisors LLC	10	$6.24K	0.00%	+2+25.0%	Added
Rakuten Securities, Inc.	11	$6.86K	0.00%	−27−71.1%	Reduced
Strive Financial Group ,LLC	11	$6.86K	0.00%	+1+10.0%	Added
Strategic Investment Solutions, Inc.	11	$6.86K	0.00%	+5+83.3%	Added
Fourth Dimension Wealth, LLC	11	$6.86K	0.00%	+11	New
Bank of New Hampshire	12	$7.48K	0.00%	−12−50.0%	Reduced
Bay Harbor Wealth Management, LLC	12	$7.48K	0.00%	+2+20.0%	Added
Hughes Financial Services, LLC	12	$7.48K	0.00%	+3+33.3%	Added
Tompkins Financial Corp	13	$8.11K	0.00%	+13	New
Financial Consulate, Inc	13	$8.11K	0.00%	−7−35.0%	Reduced
Marquette Asset Management, LLC	14	$8.73K	0.00%	00.0%	Unchanged
Jackson, Grant Investment Advisers, Inc.	14	$8.73K	0.00%	00.0%	Unchanged
Birchbrook, Inc.	14	$8.73K	0.00%	00.0%	Unchanged
Cornerstone Financial Management LLC	14	$8.73K	0.01%	+3+27.3%	Added
JPL Wealth Management, LLC	14	$8.73K	0.00%	−11−44.0%	Reduced
Capital Advisors, Ltd. LLC	15	$9.00K	0.00%	−10−40.0%	Reduced
Avion Wealth	15	$9.00K	0.00%	−9−37.5%	Reduced
Hazlett, Burt & Watson, Inc.	14	$9.00K	0.00%	00.0%	Unchanged
Joseph Group Capital Management	15	$9.35K	0.00%	−16−51.6%	Reduced
Golden State Wealth Management, LLC	15	$9.35K	0.00%	−5−25.0%	Reduced