Regeneron Pharmaceuticals

REGN

Market cap $61.5B

1,180 hedge funds and large institutions have $46.7B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 434 increasing their positions, 467 reducing their positions, and 197 closing their positions.

2025 Q2 2025 Q1 2024 Q4 2024 Q3 2024 Q2 2024 Q1 2023 Q4 2023 Q3 2023 Q2 2023 Q1 2022 Q4 2022 Q3 2022 Q2 2022 Q1 2021 Q4 2021 Q3 2021 Q2 2021 Q1 2020 Q4 2020 Q3 2020 Q2 2020 Q1 2019 Q4 2019 Q3 2019 Q2 2019 Q1 2018 Q4 2018 Q3 2018 Q2 2018 Q1 2017 Q4 2017 Q3 2017 Q2 2017 Q1 2016 Q4 2016 Q3 2016 Q2 2016 Q1 2015 Q4 2015 Q3 2015 Q2 2015 Q1 2014 Q4 2014 Q3 2014 Q2 2014 Q1 2013 Q4 2013 Q3 2013 Q2

Holders

1,180

Holders Change

-93

Holders Change %

-7.31%

% of All Funds

15.85%

Holding in Top 10

Holding in Top 10 Change

-3

Holding in Top 10 Change %

-20%

% of All Funds

0.16%

New

133

Increased

434

Reduced

467

Closed

197

Calls

$860M

Puts

$632M

Net Calls

+$228M

Net Calls Change

+$255M

Top Buyers

1	1 Dodge & Cox San Francisco, California	$2.01B
2	2 Norges Bank Oslo, Norway	$628M
3	3 Citadel Advisors Miami, Florida	$357M
4	4 Two Sigma Advisers New York	$493M
5	5 BlackRock New York	$4.87B

Top Sellers

1	1 Fidelity Investments Boston, Massachusetts	$1.75B
2	2 JPMorgan Chase & Co New York	$2.07B
3	3 T. Rowe Price Associates Baltimore, Maryland	$402M
4	4 Capital International Investors Los Angeles, California	$1.66B
5	5 Amundi Paris, France	$491M

#	Name	Market Value	Shares	Shares Change	Shares Change %
101	AC 101 Armistice Capital New York	$52.5M	100,032	-14,041	-12%
102	LWCFA 102 Loring Wolcott & Coolidge Fiduciary Advisors Boston, Massachusetts	$52.5M	99,913	+3,440	+4%
103	HPG 103 Harvest Portfolios Group Oakville, Ontario, Canada	$52M	99,000	+16,076	+19%
104	104 Adage Capital Partners Boston, Massachusetts	$50.2M	95,630	+2,885	+3%
105	CSS 105 Cubist Systematic Strategies Stamford, Connecticut	$49.8M	94,942	+94,942	New
106	BA 106 Bridgewater Associates Westport, Connecticut	$46.7M	89,047	+68,056	+324%
107	107 New York State Teachers Retirement System (NYSTRS) Albany, New York	$46M	87,579	-4,128	-5%
108	108 Canada Life Winnipeg, Manitoba, Canada	$45.8M	87,094	-37,529	-30%
109	SCP 109 Seizert Capital Partners Birmingham, Michigan	$45.1M	85,980	+3,308	+4%
110	110 Tudor Investment Corp Stamford, Connecticut	$44.4M	84,550	-41,543	-33%
111	PI 111 PGGM Investments Zeist, Netherlands	$44.3M	84,397	+51,900	+160%
112	112 Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong	$42.2M	80,382	-7,255	-8%
113	113 Aviva London, United Kingdom	$41.9M	79,885	+4,525	+6%
114	TC 114 TwinBeech Capital Purchase, New York	$41.6M	79,286	+26,185	+49%
115	115 Macquarie Group Sydney, NSW 2000, Australia	$40.3M	76,725	-2,113	-3%
116	116 Man Group London, United Kingdom	$39.9M	75,983	+40,397	+114%
117	117 Capital Fund Management (CFM) Paris, France	$38.3M	72,877	-19,933	-21%
118	N 118 Natixis Paris, France	$37.9M	72,180	+2,751	+4%
119	119 Wellington Management Group Boston, Massachusetts	$37.4M	71,155	+53,741	+309%
120	120 Toronto Dominion Bank Toronto, Ontario, Ontario, Canada	$37.3M	70,958	+21,790	+44%
121	CII 121 Capital International Inc Los Angeles, California	$37.2M	70,855	-2,356	-3%
122	QC 122 Quadrature Capital London, United Kingdom	$37M	70,449	+70,449	New
123	PCH 123 Polar Capital Holdings London, United Kingdom	$36.8M	70,000	+15,000	+27%
124	PA 124 Pinnacle Associates New York	$36.2M	68,926	-12,087	-15%
125	125 Mitsubishi UFJ Trust & Banking Tokyo, Japan	$36.1M	68,744	+204	+0.3%

Regeneron Pharmaceuticals REGN Market cap $61.5B

Top Buyers

Top Sellers

Regeneron Pharmaceuticals

REGN

Market cap $61.5B