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Swiss National Bank

Bank

Position in SION — Sionna Therapeutics, Inc.

CIK 1582202 ZURICH, V8

Position in SION

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$1,187,730
New position
Shares Held
27,000
first reported quarter
Ownership
0.060%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#72
of 146 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Swiss National Bank holds $1,800,323,370 across 152 Biotechnology names. SION ranks #136 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SION

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $1,187,730 27,000