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WELLS FARGO & COMPANY/MN

Position in SION — Sionna Therapeutics, Inc.

CIK 72971 SAN FRANCISCO, CA

Position in SION

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$236,289
-$485,759 QoQ
Shares Held
5,894
-66.4% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
4 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

WELLS FARGO & COMPANY/MN holds $1,293,435,833 across 390 Biotechnology names. SION ranks #176 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SION

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4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $236,289 5,894
2025-12-31 $722,048 17,551
2025-09-30 $222,809 7,576
2025-06-30 $110,588 6,374