Question 1

What is REGENERON PHARMACEUTICALS, INC.'s portfolio value?

Accepted Answer

As of Q3 2025, REGENERON PHARMACEUTICALS, INC. manages $700.4M across 4 reported positions in their SEC 13F filing.

Question 2

What are REGENERON PHARMACEUTICALS, INC.'s top holdings?

Accepted Answer

REGENERON PHARMACEUTICALS, INC.'s largest 13F positions include ALNY, NTLA, AVU0, representing approximately 99.9% of the reported portfolio.

Question 3

How many stocks does REGENERON PHARMACEUTICALS, INC. hold?

Accepted Answer

REGENERON PHARMACEUTICALS, INC. holds 4 reported positions as of their Q3 2025 13F filing.

Question 4

When did REGENERON PHARMACEUTICALS, INC. last file a 13F?

Accepted Answer

The most recent 13F filing from REGENERON PHARMACEUTICALS, INC. reports positions as of Q3 2025. 13F filings are required within 45 days of each calendar quarter end.

Rank	Stock	Shares	Value	% of Portfolio
1	ALNY Alnylam Pharmaceuticals, Inc.	1,392,303	$634.9M	90.64%
2	NTLA Intellia Therapeutics, Inc.	3,702,995	$64.0M	9.13%
3	AVU0 Adverum Biotechnologies, Inc.	180,909	$820K	0.12%
4	TORCEUR Adicet Bio, Inc.	968,183	$784K	0.11%

Sector	# Holdings	Value	%
Healthcare	2	$698.8M	99.8%
Unknown	2	$1.6M	0.2%

REGENERON PHARMACEUTICALS, INC.

Top 10 Holdings

Quarterly Changes

Top Buys

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Sector Breakdown