Loomis, Sayles and »

Septerna shares owned by Loomis, Sayles and

Quarter-by-quarter ownership of Septerna (SEPN) shares owned by Loomis, Sayles and from 13F filings

Historical chart of Loomis, Sayles and investment in Septerna

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All positions including Septerna held by Loomis, Sayles and consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Septerna by Loomis, Sayles and

Quarter filed Position value Share count Share price at filing
2026-06-30 $21M 625k 33.49

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Amazon.com Common (AMZN)
Meta Platforms Common (META)
Visa Inc-class A Shrs Common (V)
Boeing Common (BA)
Microsoft Corp Common (MSFT)
Netflix.com Common (NFLX)
Oracle Corp Common (ORCL)
Monster Beverage Corporation Common (MNST)
Vertex Pharmaceuticals Common (VRTX)
Shopify Inc - Class A Common (SHOP)
The Walt Disney Common (DIS)
Autodesk Common (ADSK)

View all positions for Loomis, Sayles and

Top funds holding Septerna

RA Capital Management
TRV GP V
Driehaus Capital Management
Trv Gp Vi
Samsara BioCapital
Goldman Sachs Group
BlackRock
Siren
venBio Select Advisor
Jupiter Topco
Vanguard Capital Management
PRIMECAP Management Company
First Light Asset Management
ADAR1 Capital Management
Henderson Group

View all funds holding Septerna