Maven Securities LTD
Broker-DealerPosition in SION — Sionna Therapeutics, Inc.
CIK 1633046
ST HELIER, Y9
Position in SION
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$879,800
-$122,450 QoQ
Shares Held
20,000
-20.0% QoQ
Ownership
0.044%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#79
of 146 holders
Holding Since
Mar 2026
2 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, 2026Maven Securities LTD holds $27,509,646 across 11 Biotechnology names. SION ranks #6 (3.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APGE |
Apogee Therapeutics, Inc.
|
115,018 | $15,266,339 | |
| 2 | TECH |
BIO-TECHNE Corp
|
54,711 | $3,865,332 | |
| 3 | SYRE |
Spyre Therapeutics, Inc.
|
40,000 | $3,551,200 | |
| 4 | OKYO |
OKYO Pharma Ltd
|
809,317 | $1,213,975 | |
| 5 | JBIO |
Jade Biosciences, Inc.
|
50,000 | $1,111,000 | |
| 6 | SION |
Sionna Therapeutics, Inc.
This page
|
20,000 | $879,800 | |
| 7 | COGT |
Cogent Biosciences, Inc.
|
20,000 | $774,000 | |
| 8 | GRCE |
Grace Therapeutics, Inc.
|
200,000 | $454,000 |
All Filings in SION
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $879,800 | 20,000 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $1,002,250 | 25,000 | Shares | Defined | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||