Latest Period
Q1 2026
Security Snapshot
Astria Therapeutics, Inc. - Common Stock, par value $0.001 per share (ATXS) Institutional Ownership
CUSIP: 04635X102
13F Institutional Holders and Ownership History from Q3 2021 to Q1 2026
Institutions Reporting
0
Shares (Excl. Options)
0
Price
$12.58
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- ATXS
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 0
- Total 13F value
- $0
- Share change
- -52,866,929
- Value change
- -$690,327,861
- Number of holders
- 0
- Shares outstanding
- 57,127,897
- SEC-reported price per share
- $12.58
Latest holder snapshot
4 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ATXS - Astria Therapeutics, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 04635X102.
- 0 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 141 to 0 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $738,303,248 to $0.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 0 institutions filings for Q1 2026.
Security key
04635X102
Latest holder period
Q1 2026
13F holders
0
13D/G owners
5
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04635X102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
ATXS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| GLAZER CAPITAL, LLC | 6.6% | +18% | $48,032,679 | +$7,898,535 | 3,776,154 | +20% | Glazer Capital, LLC | 31 Dec 2025 |
| Venrock Healthcare Capital Partners III, L.P. | 4.4% | $12,704,489 | 2,457,348 | Venrock Healthcare Capital Partners III, L.P. | 31 Dec 2024 | |||
| Fairmount Funds Management LLC | 4% | -59% | $17,304,917 | -$25,421,673 | 2,377,049 | -59% | Fairmount Funds Management LLC | 14 Oct 2025 |
| FMR LLC | 2.2% | -77% | $9,112,857 | -$28,407,637 | 1,251,766 | -76% | FMR LLC | 31 Oct 2025 |
| INTEGRATED CORE STRATEGIES (US) LLC | 0.4% | -96% | $1,616,895 | -$19,770,311 | 222,101 | -92% | Millennium Management LLC | 14 Oct 2025 |
As of 31 Mar 2026, 0 institutional investors reported holding 0 shares of Astria Therapeutics, Inc. - Common Stock, par value $0.001 per share (ATXS). This represents 0% of the company’s total 57,127,897 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 0 | $0 | -$690,327,861 | $12.58 | 0 |
| 2025 Q4 | 56,531,970 | $738,303,248 | +$138,186,519 | $13.09 | 141 |
| 2025 Q3 | 56,024,844 | $407,841,094 | -$10,183,572 | $7.28 | 114 |
| 2025 Q2 | 57,553,753 | $309,894,193 | -$4,210,865 | $5.36 | 105 |
| 2025 Q1 | 58,322,222 | $311,449,455 | -$2,818,099 | $5.34 | 112 |
| 2024 Q4 | 58,541,619 | $523,363,001 | +$15,175,340 | $8.94 | 108 |
| 2024 Q3 | 56,513,523 | $622,063,168 | +$12,380,808 | $11.01 | 102 |
| 2024 Q2 | 55,579,204 | $505,773,414 | -$43,969,147 | $9.10 | 100 |
| 2024 Q1 | 57,634,977 | $810,618,371 | +$319,828,537 | $14.08 | 102 |
| 2023 Q4 | 36,626,752 | $281,291,782 | +$90,089,493 | $7.68 | 78 |
| 2023 Q3 | 22,981,516 | $171,440,766 | -$12,708,816 | $7.46 | 68 |
| 2023 Q2 | 24,666,745 | $205,474,768 | +$6,090,240 | $8.33 | 76 |
| 2023 Q1 | 23,423,158 | $311,606,739 | +$19,718,386 | $13.30 | 66 |
| 2022 Q4 | 21,794,554 | $324,518,327 | +$180,101,918 | $14.89 | 60 |
| 2022 Q3 | 9,828,525 | $88,847,076 | +$41,623,406 | $9.04 | 41 |
| 2022 Q2 | 5,732,278 | $17,195,000 | -$3,741,817 | $3.00 | 25 |
| 2022 Q1 | 6,210,303 | $41,669,000 | +$889,657 | $6.71 | 29 |
| 2021 Q4 | 6,093,269 | $32,840,000 | -$7,416,469 | $5.39 | 29 |
| 2021 Q3 | 7,212,783 | $63,765,000 | +$63,764,000 | $8.84 | 32 |