Question 1

How many shares of SION does VIKING GLOBAL INVESTORS LP own?

Accepted Answer

As of 2026-Q1, VIKING GLOBAL INVESTORS LP holds 3.2M shares of SION (SIONNA THERAPEUTICS INC).

Question 2

What is VIKING GLOBAL INVESTORS LP's SION position worth?

Accepted Answer

As of 2026-Q1, VIKING GLOBAL INVESTORS LP's SION position is worth $128.1M.

Question 3

When did VIKING GLOBAL INVESTORS LP first buy SION?

Accepted Answer

Based on available 13F filings, VIKING GLOBAL INVESTORS LP first reported a position in SION in 2026-Q1. They have held the position across 5 quarters.