| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 12% | $47,213,858 | 6,485,420 | Perceptive Advisors LLC | 14 Oct 2025 | |||
| Vestal Point Capital, LP | 8.8% | $36,079,680 | 4,956,000 | Vestal Point Capital, LP | 30 Sep 2025 | |||
| Magnetar Financial LLC | 5.9% | $24,112,831 | 3,312,202 | Magnetar Financial LLC | 17 Oct 2025 | |||
| GLAZER CAPITAL, LLC | 5.5% | $39,755,520 | 3,155,200 | Glazer Capital, LLC | 03 Dec 2025 | |||
| Venrock Healthcare Capital Partners III, L.P. | 4.4% | $10,025,980 | 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 30 Sep 2025, 114 institutional investors reported holding 56,024,844 shares of Astria Therapeutics, Inc. - Common Stock, $0.001 par value per share (ATXS). This represents 98% of the company’s total 57,056,058 outstanding shares.
The largest institutional shareholders of Astria Therapeutics, Inc. - Common Stock, $0.001 par value per share (ATXS) together control 91% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 11% | 6,485,420 | 0% | 1.4% | $47,213,857 |
| FMR LLC | 9% | 5,153,914 | -20% | 0% | $37,520,495 |
| Vestal Point Capital, LP | 8.7% | 4,956,000 | +9.6% | 1.6% | $36,079,680 |
| FCPM III SERVICES B.V. | 7.2% | 4,107,537 | 0% | 6% | $29,902,869 |
| Fairmount Funds Management LLC | 6.2% | 3,554,129 | 0% | 2.3% | $25,874,059 |
| BlackRock, Inc. | 6.1% | 3,488,202 | -5.7% | 0% | $25,394,111 |
| MILLENNIUM MANAGEMENT LLC | 5.3% | 3,034,527 | +2.2% | 0.02% | $22,091,357 |
| TCG Crossover Management, LLC | 4.8% | 2,761,861 | 0% | 0.99% | $20,106,348 |
| VANGUARD GROUP INC | 4.6% | 2,642,170 | +4.7% | 0% | $19,234,997 |
| VR ADVISER, LLC | 4.3% | 2,457,348 | 0% | 1% | $17,889,493 |
| JPMORGAN CHASE & CO | 2.9% | 1,680,607 | -0.91% | 0% | $12,234,819 |
| Vivo Capital, LLC | 2.7% | 1,552,685 | 0% | 0.91% | $11,303,547 |
| Driehaus Capital Management LLC | 2.5% | 1,433,769 | +1% | 0.07% | $10,437,838 |
| Nantahala Capital Management, LLC | 1.9% | 1,069,530 | 0% | 0.48% | $7,786,178 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 958,244 | -0.59% | 0% | $6,977,524 |
| STATE STREET CORP | 1.6% | 890,670 | -4.7% | 0% | $6,484,078 |
| MORGAN STANLEY | 1.5% | 864,405 | +64% | 0% | $6,292,869 |
| CITADEL ADVISORS LLC | 1.5% | 848,982 | -28% | 0% | $6,180,589 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.5% | 834,000 | -4.7% | 0.01% | $6,071,520 |
| Point72 Asset Management, L.P. | 1.3% | 749,935 | -1.7% | 0.01% | $5,459,531 |
| UBS Group AG | 1% | 580,151 | -19% | 0% | $4,223,499 |
| Logos Global Management LP | 0.88% | 500,000 | -29% | 0.36% | $3,640,000 |
| RENAISSANCE TECHNOLOGIES LLC | 0.69% | 395,261 | +36% | 0% | $2,877,500 |
| Nuveen, LLC | 0.63% | 360,031 | -2.5% | 0% | $2,621,026 |
| NORTHERN TRUST CORP | 0.62% | 353,505 | -6% | 0% | $2,573,516 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 958 | $12,541 | +$5,642 | $13.09 | 3 |
| 2025 Q3 | 56,024,844 | $407,841,094 | -$10,183,446 | $7.28 | 114 |
| 2025 Q2 | 57,553,753 | $309,894,193 | -$4,210,858 | $5.36 | 105 |
| 2025 Q1 | 58,322,222 | $311,449,210 | -$2,818,093 | $5.34 | 112 |
| 2024 Q4 | 58,572,649 | $523,705,856 | +$15,451,681 | $8.94 | 108 |
| 2024 Q3 | 56,513,523 | $622,063,484 | +$12,380,290 | $11.01 | 102 |
| 2024 Q2 | 55,579,204 | $505,773,352 | -$43,000,313 | $9.10 | 100 |
| 2024 Q1 | 55,113,847 | $775,133,942 | +$330,074,878 | $14.08 | 93 |
| 2023 Q4 | 13,627 | $104,655 | -$86,833 | $7.68 | 1 |
| 2023 Q3 | 22,981,516 | $171,441,070 | -$12,439,746 | $7.46 | 68 |
| 2023 Q2 | 24,634,445 | $205,205,409 | +$5,958,418 | $8.33 | 75 |
| 2023 Q1 | 23,423,158 | $311,606,739 | +$19,580,852 | $13.30 | 66 |
| 2022 Q4 | 21,794,488 | $324,517,730 | +$180,102,343 | $14.89 | 59 |
| 2022 Q3 | 9,828,459 | $88,846,076 | +$41,622,343 | $9.04 | 40 |
| 2022 Q2 | 5,732,278 | $17,195,000 | -$3,741,829 | $3.00 | 27 |
| 2022 Q1 | 6,210,303 | $41,669,000 | +$889,644 | $6.71 | 30 |
| 2021 Q4 | 6,093,269 | $32,840,000 | -$7,414,820 | $5.39 | 30 |
| 2021 Q3 | 7,213,009 | $63,769,000 | +$63,768,040 | $8.84 | 35 |