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MORGAN STANLEY

Position in SION — Sionna Therapeutics, Inc.

CIK 895421 NEW YORK, NY

Position in SION

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$5,332,889
+$3,280,993 QoQ
Shares Held
133,023
+166.7% QoQ
Ownership
0.295%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority Sole 94% Shared 0% None 6%

Common Shares in SION Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

MORGAN STANLEY holds $15,425,095,484 across 521 Biotechnology names. SION ranks #169 (0.0% 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 $5,332,889 133,023
2025-12-31 $2,051,896 49,876
2025-09-30 $671,633 22,837
2025-06-30 $763,711 44,018
2025-03-31 $41,200 3,939