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, Q4 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2023. 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: 1,274; +117 vs. Q3 2023
Shares held: 91.5M; +429.2K (+0.5%) vs. Q3 2023
Total value: $80.3B; +$5.38B (+7.2%) vs. Q3 2023
New holders: 186; 441 more added
Sold out: 69; 442 more reduced

23 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 1,274 institutions

Value heldQ4 2023: $80.3B

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, Q4 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2023.

Institutions holding REGN in Q4 2023
Institution	Shares	Value	% of portfolio	Change in shares	Action
Moisand Fitzgerald Tamayo, LLC	13	$11.4K	0.00%	00.0%	Unchanged
Capital Advisors, Ltd. LLC	11	$10.0K	0.00%	00.0%	Unchanged
Long Island Wealth Management, Inc.	11	$10.0K	0.01%	+11	New
Compass Wealth Management LLC	11	$9.66K	0.00%	00.0%	Unchanged
Laffer Tengler Investments	11	$9.66K	0.00%	00.0%	Unchanged
Focused Wealth Management, Inc	11	$9.44K	0.00%	−15−57.7%	Reduced
Dunhill Financial, LLC	10	$8.84K	0.01%	+10	New
Motco	10	$8.78K	0.00%	00.0%	Unchanged
Avalon Trust Co	10	$8.78K	0.00%	00.0%	Unchanged
Center for Financial Planning, Inc.	10	$8.78K	0.00%	00.0%	Unchanged
Hexagon Capital Partners LLC	10	$8.78K	0.00%	00.0%	Unchanged
DiNuzzo Private Wealth, Inc.	10	$8.78K	0.00%	+10	New
Fairman Group, LLC	10	$8.78K	0.01%	+10	New
Aspire Private Capital, LLC	10	$8.78K	0.00%	00.0%	Unchanged
Clear Street Markets LLC	9	$8.00K	0.00%	−3−25.0%	Reduced
Strategic Investment Solutions, Inc.	9	$7.91K	0.00%	−558−98.4%	Reduced
Macroview Investment Management LLC	9	$7.91K	0.01%	00.0%	Unchanged
Emfo, LLC	9	$7.91K	0.01%	00.0%	Unchanged
Colonial Trust Advisors	9	$7.91K	0.00%	+3+50.0%	Added
Private Wealth Management Group, LLC	9	$7.91K	0.00%	+9	New
Tennessee Valley Asset Management Partners	9	$7.90K	0.00%	+9	New
SJS Investment Consulting Inc.	8	$7.03K	0.00%	−3−27.3%	Reduced
Clean Yield Group	8	$7.03K	0.00%	00.0%	Unchanged
Truvestments Capital LLC	8	$7.03K	0.00%	00.0%	Unchanged
Citizens National Bank Trust Department	8	$7.03K	0.00%	00.0%	Unchanged
Red Tortoise LLC	8	$7.03K	0.00%	+3+60.0%	Added
Cetera Trust Company, N.A	8	$7.03K	0.00%	+8	New
Abich Financial Wealth Management LLC	8	$7.03K	0.01%	+8	New
Householder Group Estate & Retirement Specialist, LLC	8	$7.00K	0.00%	00.0%	Unchanged
Valued Wealth Advisors LLC	8	$6.58K	0.01%	+8	New
Farmers & Merchants Investments Inc	7	$6.15K	0.00%	00.0%	Unchanged
Arlington Trust Co LLC	7	$6.15K	0.00%	+4+133.3%	Added
LGT Financial Advisors LLC	6	$5.27K	0.01%	00.0%	Unchanged
BKM Wealth Management, LLC	6	$5.27K	0.00%	+6	New
Avion Wealth	6	$5.00K	0.00%	−2−25.0%	Reduced
Beaird Harris Wealth Management, LLC	5	$4.39K	0.00%	+5	New
Clarity Asset Management, Inc.	5	$4.39K	0.00%	+5	New
Scarborough Advisors, LLC	5	$4.39K	0.00%	+5	New
Lummis Asset Management, LP	5	$4.39K	0.00%	+5	New
RE Dickinson Investment Advisors, LLC	5	$4.00K	0.00%	00.0%	Unchanged
FSA Wealth Management LLC	5	$4.00K	0.00%	+5	New
Colonial Trust Co	4	$3.66K	0.00%	+4	New
Hartford Financial Management Inc.	4	$3.51K	0.00%	00.0%	Unchanged
Front Row Advisors LLC	4	$3.51K	0.00%	00.0%	Unchanged
CNB Bank	4	$3.51K	0.00%	00.0%	Unchanged
Richard W. Paul & Associates, LLC	4	$3.51K	0.00%	00.0%	Unchanged
West Paces Advisors Inc.	4	$3.51K	0.00%	+2+100.0%	Added
Baystate Wealth Management LLC	4	$3.51K	0.00%	+4	New
Sofos Investments, Inc.	2	$3.03K	0.00%	00.0%	Unchanged
Iron Horse Wealth Management, LLC	3	$2.63K	0.00%	00.0%	Unchanged
Plante Moran Financial Advisors, LLC	3	$2.63K	0.00%	+3	New
Frank, Rimerman Advisors LLC	3	$2.63K	0.00%	+3	New
Rakuten Securities, Inc.	3	$2.63K	0.00%	+3	New
Ables, Iannone, Moore & Associates, Inc.	3	$2.63K	0.00%	+3	New
Delos Wealth Advisors, LLC	2	$1.76K	0.00%	−52−96.3%	Reduced
Trust Co of Vermont	2	$1.76K	0.00%	−20−90.9%	Reduced
Longfellow Investment Management Co LLC	2	$1.76K	0.00%	00.0%	Unchanged
North Star Investment Management Corp.	2	$1.76K	0.00%	00.0%	Unchanged
WestEnd Advisors, LLC	2	$1.76K	0.00%	00.0%	Unchanged
Bank of New Hampshire	2	$1.76K	0.00%	00.0%	Unchanged
Cherry Tree Wealth Management, LLC	2	$1.76K	0.00%	00.0%	Unchanged
Highline Wealth Partners LLC	2	$1.76K	0.00%	00.0%	Unchanged
Able Wealth Management LLC	2	$1.76K	0.00%	+2	New
Perkins Coie Trust Co	2	$1.76K	0.00%	−2−50.0%	Reduced
PEAK6 Investments LLC	1	$1.27K	0.00%	−2−66.7%	Reduced
ClariVest Asset Management LLC	1	$882	0.00%	00.0%	Unchanged
True Wealth Design, LLC	1	$879	0.00%	−1−50.0%	Reduced
Wolff Wiese Magana LLC	1	$879	0.00%	00.0%	Unchanged
Tfo-TDC, LLC	1	$878	0.00%	−1−50.0%	Reduced
Institutional & Family Asset Management, LLC	1	$878	0.00%	00.0%	Unchanged
Cornerstone Planning Group LLC	1	$878	0.00%	00.0%	Unchanged
Delta Asset Management LLC	1	$878	0.00%	+1	New
Dogwood Wealth Management LLC	0	$17	0.00%	0	New
Fifth Lane Capital, LP	10,001	$0	0.00%	00.0%	Unchanged
GoalVest Advisory LLC	0	$0	0.00%	−14−100.0%	Sold out
Sio Capital Management, LLC	0	$0	0.00%	−15,250−100.0%	Sold out
Caption Management, LLC	0	$0	0.00%	−12,000−100.0%	Sold out
FORA Capital, LLC	0	$0	0.00%	−8,244−100.0%	Sold out
Tudor Investment Corp Et Al	0	$0	0.00%	−5,799−100.0%	Sold out
Susquehanna Fundamental Investments, LLC	0	$0	0.00%	−5,488−100.0%	Sold out
Pearl River Capital, LLC	0	$0	0.00%	−3,814−100.0%	Sold out
USA Financial Portformulas Corp	0	$0	0.00%	−2,695−100.0%	Sold out
Atlas Private Wealth Advisors	0	$0	0.00%	−2,432−100.0%	Sold out
Redwood Investment Management, LLC	0	$0	0.00%	−2,381−100.0%	Sold out
PDT Partners, LLC	0	$0	0.00%	−2,301−100.0%	Sold out
Arrowstreet Capital, Limited Partnership	0	$0	0.00%	−2,262−100.0%	Sold out
Handelsinvest Investeringsforvaltning	0	$0	0.00%	−1,854−100.0%	Sold out
Fund Management at Engine No. 1 LLC	0	$0	0.00%	−1,527−100.0%	Sold out
Point72 Asset Management, L.P.	0	$0	0.00%	−1,407−100.0%	Sold out
Edgestream Partners, L.P.	0	$0	0.00%	−1,297−100.0%	Sold out
C2C Wealth Management, LLC	0	$0	0.00%	−1,200−100.0%	Sold out
Essex Investment Management Co LLC	0	$0	0.00%	−1,159−100.0%	Sold out
Moody National Bank Trust Division	0	$0	0.00%	−1,146−100.0%	Sold out
TrimTabs Asset Management, LLC	0	$0	0.00%	−1,083−100.0%	Sold out
Courier Capital LLC	0	$0	0.00%	−1,026−100.0%	Sold out
Lumina Fund Management LLC	0	$0	0.00%	−1,000−100.0%	Sold out
EHP Funds Inc.	0	$0	0.00%	−900−100.0%	Sold out
Gladstone Institutional Advisory LLC	0	$0	0.00%	−873−100.0%	Sold out
Oppenheimer Asset Management Inc.	0	$0	0.00%	−756−100.0%	Sold out
Himension Fund	0	$0	0.00%	−716−100.0%	Sold out