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SEVEN GRAND MANAGERS, LLC

Position in SION — Sionna Therapeutics, Inc.

CIK 1909126 BRONXVILLE, NY

Position in SION

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,199,500
+$195,000 QoQ
Shares Held
50,000
0.0% QoQ
Ownership
0.111%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#59
of 146 holders
Holding Since
Dec 2025
3 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

SEVEN GRAND MANAGERS, LLC holds $220,302,823 across 50 Biotechnology names. SION ranks #28 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SION

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,199,500 50,000
2026-03-31 $2,004,500 50,000
2025-12-31 $2,057,000 50,000