Question 1

Who owns SION stock?

Accepted Answer

SION (SIONNA THERAPEUTICS INC) is held by 1 tracked superinvestors with an aggregate position value of $141M based on the most recent SEC 13F filings. Top institutional holders include: Andreas Halvorsen.

Question 2

How much SION do superinvestors hold in aggregate?

Accepted Answer

Across 1 tracked managers, superinvestors collectively report $141M in SION positions worth 3,195,181 shares.

Question 3

What is the largest holder of SION?

Accepted Answer

The largest tracked holder of SION is Andreas Halvorsen (Viking Global Investors) with 3,195,181 shares worth $141M, representing 0.40% of their portfolio.

SIONSIONNA THERAPEUTICS INC

📊 Holdings Over Time

Quarter-by-Quarter Activity