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FMR LLC

Position in SION — Sionna Therapeutics, Inc.

CIK 315066 BOSTON, MA

Position in SION

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$3,263,125
+$3,247,328 QoQ
Shares Held
81,395
+21096.6% QoQ
Ownership
0.180%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SION Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

FMR LLC holds $49,690,752,415 across 354 Biotechnology names. SION ranks #176 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SION

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,263,125 81,395
2025-12-31 $15,797 384
2025-09-30 $6,881 234