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 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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: 975; +61 vs. Q1 2021
Shares held: 88.9M; −469.4K (−0.5%) vs. Q1 2021
Total value: $49.6B; +$7.39B (+17.5%) vs. Q1 2021
New holders: 149; 368 more added
Sold out: 88; 307 more reduced

12 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 975 institutions

Value heldQ2 2021: $49.6B

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 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2021.

Institutions holding REGN in Q2 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Kelly Financial Services LLC	2,234	$4	0.00%	+2,221+17,084.6%	Added
WestEnd Advisors, LLC	–	$558	0.00%	–	New
FormulaFolio Investments, LLC	2	$1.00K	0.00%	00.0%	Unchanged
Sound Income Strategies, LLC	2	$1.00K	0.00%	00.0%	Unchanged
Lenox Wealth Advisors, LLC	1	$1.00K	0.00%	00.0%	Unchanged
Institutional & Family Asset Management, LLC	1	$1.00K	0.00%	00.0%	Unchanged
TFC Financial Management	1	$1.00K	0.00%	00.0%	Unchanged
Longfellow Investment Management Co LLC	1	$1.00K	0.00%	+1	New
Transamerica Financial Advisors, Inc.	1	$1.00K	0.02%	+1	New
Spectrum Management Group, LLC	1	$1.00K	0.00%	+1	New
Addison Advisors LLC	2	$1.00K	0.00%	+2	New
Davidson Capital Management Inc.	4	$2.00K	0.00%	−2,250−99.8%	Reduced
MayTech Global Investments, LLC	4	$2.00K	0.00%	00.0%	Unchanged
Better Money Decisions, LLC	3	$2.00K	0.00%	00.0%	Unchanged
KB Financial Partners, LLC	3	$2.00K	0.00%	00.0%	Unchanged
Wolff Wiese Magana LLC	3	$2.00K	0.00%	+3	New
Laurel Wealth Advisors LLC	6	$3.00K	0.00%	00.0%	Unchanged
Resources Management Corp	5	$3.00K	0.00%	00.0%	Unchanged
Toth Financial Advisory Corp	5	$3.00K	0.00%	00.0%	Unchanged
San Francisco Sentry Investment Group (Ca)	5	$3.00K	0.00%	00.0%	Unchanged
Front Row Advisors LLC	4	$3.00K	0.00%	00.0%	Unchanged
Standard Family Office LLC	5	$3.00K	0.00%	00.0%	Unchanged
True Link Financial Advisors, LLC	6	$3.00K	0.00%	+6	New
Farmers & Merchants Investments Inc	7	$4.00K	0.00%	−54−88.5%	Reduced
BerganKDV Wealth Management, LLC	8	$4.00K	0.00%	00.0%	Unchanged
Thomas J. Herzfeld Advisors, Inc.	8	$4.00K	0.00%	+1+14.3%	Added
Baystate Wealth Management LLC	7	$4.00K	0.00%	00.0%	Unchanged
NewSquare Capital LLC	9	$5.00K	0.00%	00.0%	Unchanged
Brendel Financial Advisors LLC	9	$5.00K	0.00%	+9	New
Emfo, LLC	9	$5.00K	0.00%	+9	New
Harding Loevner LP	11	$6.00K	0.00%	00.0%	Unchanged
Hartford Financial Management Inc.	10	$6.00K	0.00%	00.0%	Unchanged
Gradient Investments LLC	11	$6.00K	0.00%	00.0%	Unchanged
Evoke Wealth, LLC	11	$6.00K	0.00%	00.0%	Unchanged
Stonebridge Capital Advisors LLC	10	$6.00K	0.00%	+5+100.0%	Added
Crewe Advisors LLC	12	$7.00K	0.00%	00.0%	Unchanged
Financial Management Professionals, Inc.	13	$7.00K	0.00%	+8+160.0%	Added
Ford Financial Group, LLC	13	$7.00K	0.00%	+13	New
Ellis Investment Partners, LLC	13	$7.00K	0.00%	+13	New
JNBA Financial Advisors	15	$8.00K	0.00%	00.0%	Unchanged
AllSquare Wealth Management LLC	14	$8.00K	0.00%	00.0%	Unchanged
Bedel Financial Consulting, Inc.	15	$8.00K	0.00%	00.0%	Unchanged
Sterling Financial Planning, Inc.	15	$8.00K	0.01%	00.0%	Unchanged
Paragon Wealth Strategies, LLC	16	$9.00K	0.00%	+16	New
Anfield Capital Management, LLC	18	$10.0K	0.00%	+18	New
Raffa Wealth Management, LLC	18	$10.1K	0.00%	+1+5.9%	Added
Tortoise Investment Management, LLC	20	$11.0K	0.00%	00.0%	Unchanged
HHM Wealth Advisors, LLC	20	$11.0K	0.00%	00.0%	Unchanged
Private Capital Group, LLC	20	$11.0K	0.00%	+9+81.8%	Added
Massmutual Trust Co FSB	20	$11.0K	0.00%	+16+400.0%	Added
MV Capital Management, Inc.	20	$11.0K	0.00%	+17+566.7%	Added
Aspire Private Capital, LLC	20	$11.0K	0.00%	+20	New
Baron Financial Group, LLC	20	$11.2K	0.01%	00.0%	Unchanged
Caldwell Trust Co	21	$11.7K	0.00%	+3+16.7%	Added
Private Ocean, LLC	22	$12.0K	0.00%	−5−18.5%	Reduced
Lee Financial Co	22	$12.0K	0.00%	00.0%	Unchanged
Trust Co of Vermont	24	$13.0K	0.00%	+4+20.0%	Added
Resolute Partners Group	23	$13.0K	0.00%	00.0%	Unchanged
Creative Financial Designs Inc	25	$14.0K	0.00%	00.0%	Unchanged
Bogart Wealth, LLC	25	$14.0K	0.00%	00.0%	Unchanged
Optiver Holding B.V.	25	$14.0K	0.00%	+25	New
Endurance Wealth Management, Inc.	30	$16.0K	0.00%	−2−6.3%	Reduced
Bellevue Asset Management, LLC	29	$16.0K	0.01%	00.0%	Unchanged
Jackson, Grant Investment Advisers, Inc.	28	$16.0K	0.01%	+4+16.7%	Added
Simon Quick Advisors, LLC	32	$17.0K	0.00%	−21−39.6%	Reduced
Holloway Wealth Management, LLC	–	$17.0K	0.01%	–	–
Whittier Trust Co of Nevada Inc	30	$17.0K	0.00%	00.0%	Unchanged
Versant Capital Management, Inc	31	$17.0K	0.01%	+17+121.4%	Added
Fieldpoint Private Securities, LLC	30	$18.0K	0.00%	−70−70.0%	Reduced
Sutton Wealth Advisors Inc.	35	$19.5K	0.01%	00.0%	Unchanged
Glassman Wealth Services	36	$20.0K	0.00%	+9+33.3%	Added
Whittier Trust Co	38	$21.0K	0.00%	−17−30.9%	Reduced
Zions Bancorporation, N.A.	40	$22.0K	0.00%	−15−27.3%	Reduced
TSFG, LLC	40	$22.0K	0.01%	00.0%	Unchanged
M&R Capital Management Inc	40	$22.0K	0.01%	00.0%	Unchanged
Evolution Wealth Advisors, LLC	44	$25.0K	0.01%	−32−42.1%	Reduced
Global Financial Private Client, LLC	44	$25.3K	0.01%	00.0%	Unchanged
Earnest Partners LLC	48	$27.0K	0.00%	00.0%	Unchanged
Solstein Capital, LLC	49	$27.0K	0.03%	+2+4.3%	Added
Kings Point Capital Management	50	$28.0K	0.00%	−20−28.6%	Reduced
Blume Capital Management, Inc.	50	$28.0K	0.01%	00.0%	Unchanged
WealthShield Partners, LLC	50	$28.0K	0.00%	00.0%	Unchanged
Focused Wealth Management, Inc	54	$30.0K	0.00%	00.0%	Unchanged
Tarbox Family Office, Inc.	53	$30.0K	0.01%	00.0%	Unchanged
Carolinas Wealth Consulting LLC	56	$31.0K	0.01%	−1−1.8%	Reduced
Patriot Financial Group Insurance Agency, LLC	56	$31.0K	0.01%	+10+21.7%	Added
Arkadios Wealth Advisors	57	$31.0K	0.00%	+28+96.6%	Added
Gleason Group, Inc.	55	$31.0K	0.01%	+55	New
Castleview Partners, LLC	59	$33.0K	0.01%	+59	New
Towarzystwo Funduszy Inwestycyjnych Pzu SA	60	$33.5K	0.04%	00.0%	Unchanged
Joseph P. Lucia & Associates, LLC	61	$34.0K	0.02%	00.0%	Unchanged
Sandy Spring Bank	62	$34.0K	0.00%	+50+416.7%	Added
Baillie Gifford & Co	63	$35.0K	0.00%	00.0%	Unchanged
Parkside Financial Bank & Trust	62	$35.0K	0.01%	+12+24.0%	Added
Catalyst Capital Advisors LLC	65	$36.0K	0.00%	+3+4.8%	Added
Atticus Wealth Management, LLC	68	$38.0K	0.02%	00.0%	Unchanged
Evermay Wealth Management LLC	70	$39.0K	0.01%	+70	New
Optimum Investment Advisors	75	$42.0K	0.01%	00.0%	Unchanged
Tradition Wealth Management, LLC	75	$42.0K	0.01%	00.0%	Unchanged
Sittner & Nelson, LLC	75	$42.0K	0.03%	00.0%	Unchanged