Position in SION
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$140,556,012
+$12,461,206 QoQ
Shares Held
3,195,181
0.0% QoQ
Ownership
7.07%
of shares outstanding
% of Portfolio
0.41%
of 13F equity value
Holder Rank
#3
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, 2026VIKING GLOBAL INVESTORS LP holds $2,489,856,848 across 17 Biotechnology names. SION ranks #7 (5.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BBIO |
BridgeBio Pharma, Inc.
|
9,949,219 | $741,017,831 | |
| 2 | BMRN |
Biomarin Pharmaceutical Inc
|
7,616,563 | $435,819,734 | |
| 3 | ROIV |
Roivant Sciences Ltd.
|
6,271,467 | $221,947,217 | |
| 4 | MANE |
Veradermics, Inc
|
1,561,494 | $191,970,072 | |
| 5 | ORKA |
Oruka Therapeutics, Inc.
|
1,503,478 | $143,086,001 | |
| 6 | NAMS |
NewAmsterdam Pharma Co N.V.
|
4,203,567 | $142,458,885 | |
| 7 | SION |
Sionna Therapeutics, Inc.
This page
|
3,195,181 | $140,556,012 | |
| 8 | PHVS |
Pharvaris N.V.
|
3,653,310 | $126,331,459 |
All Filings in SION
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $140,556,012 | 3,195,181 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $128,094,806 | 3,195,181 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $131,449,746 | 3,195,181 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $93,970,273 | 3,195,181 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $55,436,390 | 3,195,181 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $30,885,806 | 2,952,754 | Shares | Sole | 2025-05-15 | |
| 2025-02-10 | $65,669,248 | 2,952,754 | Shares | Sole | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||