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CITIGROUP INC

Position in SION — Sionna Therapeutics, Inc.

CIK 831001 NEW YORK, NY

Position in SION

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$4,846,070
+$4,122,126 QoQ
Shares Held
110,163
+510.1% QoQ
Ownership
0.244%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#48
of 146 holders
Holding Since
Jun 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 Jun 30, 2026

CITIGROUP INC holds $2,085,225,397 across 384 Biotechnology names. SION ranks #64 (0.2% 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
2026-06-30 $4,846,070 110,163
2026-03-31 $723,944 18,058
2025-12-31 $213,310 5,185
2025-09-30 $20,204 687
2025-06-30 $75,992 4,380