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CITADEL ADVISORS LLC

Position in SION — Sionna Therapeutics, Inc.

CIK 1423053 MIAMI, FL

Position in SION

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$46,782,263
+$2,049,713 QoQ
Shares Held
1,166,931
+7.3% QoQ
Ownership
2.58%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2025
5 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

CITADEL ADVISORS LLC holds $5,780,974,653 across 374 Biotechnology names. SION ranks #29 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SION

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $46,782,263 1,166,931
2025-12-31 $44,732,550 1,087,325
2025-09-30 $1,056,495 35,923
2025-06-30 $2,253,973 129,912
2025-03-31 $3,415,190 326,500