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TD Asset Management Inc

Position in SION — Sionna Therapeutics, Inc.

CIK 1056053 Toronto, A6

Position in SION

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$2,084,950
-$1,242,359 QoQ
Shares Held
47,396
-42.9% QoQ
Ownership
0.105%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#61
of 146 holders
Holding Since
Mar 2025
6 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

TD Asset Management Inc holds $1,140,636,067 across 120 Biotechnology names. SION ranks #78 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SION

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,084,950 47,396
2026-03-31 $3,327,309 82,996
2025-12-31 $4,663,301 113,352
2025-09-30 $2,561,081 87,082
2025-06-30 $866,910 49,966
2025-03-31 $579,128 55,366