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 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 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: 1,201; −73 vs. Q1 2025
Shares held: 89.3M; −3.67M (−4.0%) vs. Q1 2025
Total value: $46.9B; −$12.0B (−20.4%) vs. Q1 2025
New holders: 134; 443 more added
Sold out: 207; 475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,201 institutions

Value heldQ2 2025: $46.9B

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 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.

Institutions holding REGN in Q2 2025
Institution	Shares	Value	% of portfolio	Change in shares	Action
Quest 10 Wealth Builders, Inc.	1	$315	0.00%	00.0%	Unchanged
N.E.W. Advisory Services LLC	1	$525	0.00%	−1−50.0%	Reduced
Bay Harbor Wealth Management, LLC	1	$525	0.00%	+1	New
Delos Wealth Advisors, LLC	1	$525	0.00%	+1	New
Smallwood Wealth Investment Management, LLC	1	$525	0.00%	+1	New
HFM Investment Advisors, LLC	1	$525	0.00%	+1	New
Peterson Wealth Services	1	$526	0.00%	+1	New
DecisionPoint Financial, LLC	1	$535	0.00%	+1	New
Motco	1	$545	0.00%	00.0%	Unchanged
Hughes Financial Services, LLC	1	$555	0.00%	−3−75.0%	Reduced
Kestra Investment Management, LLC	1	$635	0.00%	00.0%	Unchanged
Tobam	2	$1.00K	0.00%	00.0%	Unchanged
Picton Mahoney Asset Management	1	$1.00K	0.00%	00.0%	Unchanged
Bellwether Advisors, LLC	2	$1.05K	0.00%	−1,695−99.9%	Reduced
Wolff Wiese Magana LLC	2	$1.05K	0.00%	−7−77.8%	Reduced
Legacy Wealth Managment, LLC	2	$1.05K	0.00%	−1−33.3%	Reduced
Cherry Tree Wealth Management, LLC	2	$1.05K	0.00%	00.0%	Unchanged
DAGCO, Inc.	2	$1.05K	0.00%	00.0%	Unchanged
American Capital Advisory, LLC	2	$1.05K	0.00%	+1+100.0%	Added
GFG Capital, LLC	2	$1.05K	0.00%	+2	New
Quaker Wealth Management, LLC	2	$1.05K	0.00%	+2	New
Atticus Wealth Management, LLC	2	$1.05K	0.00%	+2	New
LGT Financial Advisors LLC	2	$1.05K	0.00%	+2	New
Legacy Investment Solutions, LLC	2	$1.05K	0.00%	+2	New
Concord Wealth Partners	2	$1.05K	0.00%	−1,999−99.9%	Reduced
MRP Capital Investments, LLC	3	$1.57K	0.00%	−21−87.5%	Reduced
Front Row Advisors LLC	3	$1.57K	0.00%	−1−25.0%	Reduced
Longfellow Investment Management Co LLC	3	$1.57K	0.00%	00.0%	Unchanged
Iron Horse Wealth Management, LLC	3	$1.57K	0.00%	00.0%	Unchanged
Granite FO LLC	3	$1.57K	0.00%	00.0%	Unchanged
Richardson Financial Services Inc.	3	$1.57K	0.00%	00.0%	Unchanged
Principia Wealth Advisory, LLC	3	$1.57K	0.00%	00.0%	Unchanged
PayPay Securities Corp	3	$1.57K	0.08%	+1+50.0%	Added
Rialto Wealth Management, LLC	3	$1.57K	0.00%	+2+200.0%	Added
Team Financial Group, LLC	3	$1.57K	0.00%	+3	New
Stephens Consulting, LLC	3	$1.57K	0.00%	+3	New
WealthCollab, LLC	4	$2.10K	0.00%	−16−80.0%	Reduced
BankPlus Trust Department	4	$2.10K	0.00%	−4−50.0%	Reduced
DiNuzzo Private Wealth, Inc.	4	$2.10K	0.00%	−3−42.9%	Reduced
WestEnd Advisors, LLC	4	$2.10K	0.00%	00.0%	Unchanged
Hartford Financial Management Inc.	4	$2.10K	0.00%	00.0%	Unchanged
CNB Bank	4	$2.10K	0.00%	00.0%	Unchanged
Richard W. Paul & Associates, LLC	4	$2.10K	0.00%	00.0%	Unchanged
LRI Investments, LLC	4	$2.10K	0.00%	00.0%	Unchanged
Eq Wealth Advisors, LLC	4	$2.10K	0.00%	00.0%	Unchanged
Parkworth Wealth Management, Inc.	4	$2.10K	0.00%	+3+300.0%	Added
Atlantic Trust, LLC	4	$2.10K	0.00%	+4	New
Graney & King, LLC	4	$2.10K	0.00%	00.0%	Unchanged
Highline Wealth Partners LLC	4	$2.10K	0.00%	−5−55.6%	Reduced
Silicon Valley Capital Partners	4	$2.11K	0.00%	00.0%	Unchanged
Dunhill Financial, LLC	4	$2.16K	0.00%	−4−50.0%	Reduced
Sound Income Strategies, LLC	5	$2.63K	0.00%	−5−50.0%	Reduced
Garde Capital, Inc.	5	$2.63K	0.00%	00.0%	Unchanged
FSA Wealth Management LLC	5	$2.63K	0.00%	00.0%	Unchanged
Clarity Asset Management, Inc.	5	$2.63K	0.00%	00.0%	Unchanged
Kozak & Associates, Inc.	5	$2.77K	0.00%	00.0%	Unchanged
Riverview Trust Co	6	$3.15K	0.00%	−80−93.0%	Reduced
Armstrong Advisory Group, Inc	6	$3.15K	0.00%	−20−76.9%	Reduced
NVWM, LLC	6	$3.15K	0.00%	00.0%	Unchanged
Carolina Wealth Advisors, LLC	6	$3.15K	0.00%	00.0%	Unchanged
Strategic Investment Solutions, Inc.	6	$3.15K	0.00%	00.0%	Unchanged
Prudent Man Investment Management, Inc.	5	$3.56K	0.00%	00.0%	Unchanged
Addison Advisors LLC	7	$3.67K	0.00%	−9−56.3%	Reduced
True Wealth Design, LLC	7	$3.67K	0.00%	−5−41.7%	Reduced
Farmers & Merchants Investments Inc	7	$3.67K	0.00%	00.0%	Unchanged
WPG Advisers, LLC	7	$3.67K	0.00%	+4+133.3%	Added
S&T Bank	7	$3.67K	0.00%	+7	New
Redmont Wealth Advisors LLC	7	$3.67K	0.01%	+7	New
Bare Financial Services, Inc	7	$3.67K	0.00%	+7	New
Hollencrest Capital Management	7	$3.68K	0.00%	00.0%	Unchanged
LFA - Lugano Financial Advisors SA	8	$4.20K	0.00%	−4−33.3%	Reduced
Trust Co of Toledo NA	8	$4.20K	0.00%	+8	New
Cape Investment Advisory, Inc.	8	$4.20K	0.00%	+8	New
Essential Partners LLC	8	$4.20K	0.00%	+8	New
Thurston, Springer, Miller, Herd & Titak, Inc.	9	$4.72K	0.00%	00.0%	Unchanged
Red Tortoise LLC	9	$4.72K	0.00%	+3+50.0%	Added
IMG Wealth Management, Inc.	9	$4.72K	0.00%	+9	New
Roxbury Financial LLC	9	$4.73K	0.00%	+9	New
CKW Financial Group	10	$5.00K	0.00%	00.0%	Unchanged
Pacifica Partners Inc.	10	$5.21K	0.00%	00.0%	Unchanged
DT Investment Partners, LLC	10	$5.25K	0.00%	00.0%	Unchanged
MTM Investment Management, LLC	10	$5.25K	0.00%	+10	New
WealthTrak Capital Management LLC	11	$5.78K	0.00%	+7+175.0%	Added
Avion Wealth	13	$6.00K	0.00%	+4+44.4%	Added
Bogart Wealth, LLC	12	$6.30K	0.00%	−17−58.6%	Reduced
Dogwood Wealth Management LLC	12	$6.57K	0.00%	+9+300.0%	Added
Moisand Fitzgerald Tamayo, LLC	13	$6.83K	0.00%	00.0%	Unchanged
Hazlett, Burt & Watson, Inc.	14	$7.00K	0.00%	00.0%	Unchanged
Birchbrook, Inc.	14	$7.35K	0.00%	00.0%	Unchanged
Missouri Trust & Investment Co	14	$7.35K	0.00%	+14	New
PFS Partners, LLC	14	$7.37K	0.00%	00.0%	Unchanged
Hurley Capital, LLC	15	$7.88K	0.01%	00.0%	Unchanged
Cornerstone Planning Group LLC	14	$7.98K	0.00%	+4+40.0%	Added
Sachetta, LLC	16	$8.40K	0.00%	−5−23.8%	Reduced
Global X Japan Co., Ltd.	16	$8.40K	0.00%	+16	New
Jackson, Grant Investment Advisers, Inc.	17	$8.93K	0.00%	−14−45.2%	Reduced
Total Investment Management Inc	17	$8.95K	0.00%	+17	New
Fortitude Family Office, LLC	18	$9.45K	0.00%	−36−66.7%	Reduced
Raffa Wealth Management, LLC	18	$9.45K	0.00%	−5−21.7%	Reduced
Financial Network Wealth Advisors LLC	18	$9.45K	0.01%	+6+50.0%	Added