VANGUARD FIDUCIARY TRUST CO
BankPosition in SION — Sionna Therapeutics, Inc.
CIK 933478
MALVERN, PA
Position in SION
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$4,497,095
New position
Shares Held
112,175
first reported quarter
Ownership
0.248%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Biotechnology
Healthcare · as of Mar 31, 2026VANGUARD FIDUCIARY TRUST CO holds $4,790,687,356 across 456 Biotechnology names. SION ranks #131 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,465,724 | $654,504,394 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
569,940 | $440,358,441 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
840,888 | $278,224,612 | |
| 4 | INSM |
INSMED Inc
|
1,354,516 | $221,490,456 | |
| 5 | RVMD |
Revolution Medicines, Inc.
|
1,133,319 | $110,215,272 | |
| 6 | MRNA |
Moderna, Inc.
|
1,966,317 | $99,888,903 | |
| 7 | RPRX |
Royalty Pharma plc
|
2,042,798 | $97,993,020 | |
| 8 | INCY |
Incyte Corp
|
948,295 | $89,253,525 |
All Filings in SION
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,497,095 | 112,175 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||