Security key
86889P208
CUSIP: 86889P208
Security key
86889P208
Report period
Q4 2025
Institutions
53
Top holders
10
Broader feeds
Reporting periods
Recent filing periods:
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AI Biotechnology LLC |
13D/G
|
9.9%
|
$8,462,521
844,563 shares
|
$0 | 24 Mar 2025 |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
13F
Company
|
9.2%
|
$18,001,245
871,731 shares
|
+$89,063 | 31 Dec 2025 |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
Millennium Management LLC
|
8.5%
|
$15,649,459
726,193 shares
|
+$3,477,006 | 31 Dec 2025 |
| BRAIDWELL LP |
13D/G
13F
Company
|
5.5%
|
$9,705,500
470,000 shares
|
$0 | 31 Dec 2025 |
| Stonepine Capital Management, LLC |
13D/G
13F
Company
|
3.6%
|
$6,531,368
316,289 shares
|
-$3,973,019 | 31 Dec 2025 |
| Nantahala Capital Partners Limited Partnership |
13D/G
|
2.2%
|
$740,658
73,918 shares
|
-$1,032,581 | 31 Mar 2025 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Investor-level positions for this CUSIP, loaded as an interactive table.
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).