Astria Therapeutics, Inc. - Common Stock, $0.001 par value per share (ATXS) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2021 to Q4 2025

Type / Class
Equity / Common Stock, $0.001 par value per share
Symbol
ATXS on Nasdaq
Shares outstanding
57,056,058
Price per share
$13.09
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
56,014,097
Total reported value
$407,762,856
% of total 13F portfolios
0%
Share change
-1,570,230
Value change
-$10,261,684
Number of holders
113
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Astria Therapeutics, Inc. - Common Stock, $0.001 par value per share (ATXS) based on Schedule 13D/G filings

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, 113 institutional investors reported holding 56,014,097 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.

Top 25 Institutional Shareholders

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

Institutional Holders of Astria Therapeutics, Inc. - Common Stock, $0.001 par value per share (ATXS) across Reporting Periods

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 56,014,097 $407,762,856 -$10,261,684 $7.28 113
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