Skip to main content

Regeneron Pharmaceuticals, Inc.

13F filer · CIK 0000872589
Reported Aug 7, 2026
Net buyer this quarter
13F portfolio value$177MU.S. long equity reported on 13F
Positions31 new · 0 closed
Net flow last quarter+$114MBuys minus sells
Top 10 positions weight100.0%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 7, 20263 positions
PBLSParabilis Medicines, Inc.$114M64.35%3.42%NewQ2 2026
NTLAIntellia Therapeutics, Inc.$62.7M35.35%2.64%Not reportedQ4 2024
ACETAdicet Bio, Inc.$523K0.30%0.65%Not reportedQ4 2024
Q1 2026Reported May 8, 20262 positions
NTLAIntellia Therapeutics, Inc.$47.5M99.14%3.07%Not reportedQ4 2024
ACETAdicet Bio, Inc.$412K0.86%0.63%Not reportedQ4 2024
Q4 2025Reported Feb 6, 20262 positions
NTLAIntellia Therapeutics, Inc.$33.3M98.49%3.18%Not reportedQ4 2024
ACETAdicet Bio, Inc.$510K1.51%0.63%0.0%Q4 2024
Q3 2025Reported Nov 7, 20254 positions
ALNYAlnylam Pharmaceuticals, Inc.$635M90.64%1.06%-68.7%Q4 2024
NTLAIntellia Therapeutics, Inc.$64M9.13%3.20%Not reportedQ4 2024
ADVMAdverum Biotechnologies, Inc.$820K0.12%0.86%Not reportedQ4 2024
ACETAdicet Bio, Inc.$784K0.11%1.16%Not reportedQ4 2024
Premium opens every quarter this fund has filed

Not investment advice. We make every effort to keep the information on SpoorBase accurate, but errors may occur. SpoorBase does not guarantee the accuracy or completeness of any data, and any use of the information is at the user’s sole responsibility. Valuation multiples are calculated by SpoorBase and may contain errors. See Disclosures. © 2026 SpoorBase. All rights reserved.