Skip to main content

TD Asset Management Inc

Position in SION — Sionna Therapeutics, Inc.

CIK 1056053 Toronto, A6

Position in SION

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$3,327,309
-$1,335,992 QoQ
Shares Held
82,996
-26.8% QoQ
Ownership
0.184%
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 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

TD Asset Management Inc holds $1,314,505,240 across 121 Biotechnology names. SION ranks #57 (0.3% 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 $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