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REGENERON PHARMACEUTICALS, INC.

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13F filer, CIK 872589, TARRYTOWN, NY

REGENERON PHARMACEUTICALS, INC. reported $1,234,240,208 across 6 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-02.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-25-044118

Period
2025-03-31
Reported value
$1.23B
Holdings
6
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001104659-25-044118, largest first. % of portfolio is the value over $1,234,240,208, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
ALNYALNYLAM PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 4,444,445 shares; 2025Q1: 4,444,445 shares 4,444,445$1.2B97.23%0Timeline
NTLAINTELLIA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 3,702,995 shares; 2025Q1: 3,702,995 shares 3,702,995$26.3M2.13%0Timeline
2SEVENTY BIO INC COMMON STO…2SEVENTY BIO INC COMMON STOCKQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 1,254,827 shares; 2025Q1: 1,254,827 shares 1,254,827$6.2M0.5%0
ADVERUM BIOTECHNOLOGIES INCADVERUM BIOTECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 180,909 shares; 2025Q1: 180,909 shares 180,909$791K0.06%0
ADICET BIO INCADICET BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 968,183 shares; 2025Q1: 968,183 shares 968,183$731K0.06%0
BLUEBIRD BIO INC COM NEWBLUEBIRD BIO INC COM NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 21,000 shares; 2025Q1: 21,000 shares 21,000$102K0.01%0

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001104659-25-044118 base2025-05-02acceptance time not in the bulk data set