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Astria Therapeutics, Inc.

ATXSDelisted Jan 23, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001454789

Astria Therapeutics, Inc. was delisted on Jan 23, 2026; its insiders filed their last Form 4 on Jan 23, 2026; 141 institutions reported holding it in 13F filings for Q4 2025, worth $738.2M in total; Soros Fund Management was the only superinvestor holding it.

Holders of 5% or more of ATXS

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Astria Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of ATXS
HolderLatest formStakeChangeFirst filedLatest filingFiling
Glazer Capital, LLC13G/A6.61%3.78M shares+1.08 ppfrom 5.53%Dec 10, 20252 filingsFeb 12, 2026SEC
Magnetar Financial LLC13D5.87%3.31M sharesNewOct 24, 20251 filingOct 24, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

21 Schedule 13D and 13G filings on Astria Therapeutics, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on ATXS
Filed (ET)FilerFormStakeChangeEvent dateFiling
Feb 17, 20264:10 PM ETVestal Point Capital, LPand 1 other13G/A0.00%0 shares−8.80 ppfrom 8.80%Below 5%Dec 31, 2025SEC
Feb 12, 20264:58 PM ETGlazer Capital, LLCand 1 other13G/A6.61%3.78M shares+1.08 ppfrom 5.53%Dec 31, 2025SEC
Feb 9, 20265:03 PM ETPerceptive Advisors LLCand 3 others13D/A0.00%0 shares−11.50 ppfrom 11.50%Below 5%Jan 26, 2026SEC
Dec 10, 20254:36 PM ETGlazer Capital, LLCand 1 other13G5.53%3.16M sharesNewDec 3, 2025SEC
Nov 14, 20254:02 PM ETVestal Point Capital, LPand 1 other13G/A8.80%4.96M shares–Sep 30, 2025SEC
Nov 14, 20259:46 AM ETForGrowth III PA B.V.and 2 others13G/A0.00%0 shares−6.80 ppfrom 6.80%Below 5%Oct 16, 2025SEC
Nov 7, 202511:13 AM ETFMR LLCand 1 other13G/A2.20%1.25M shares−6.90 ppfrom 9.10%Below 5%Oct 31, 2025SEC
Nov 5, 202511:26 AM ETFMR LLCand 1 other13G/A9.10%5.15M shares−3.20 ppfrom 12.30%Sep 30, 2025SEC
Oct 24, 202511:00 AM ETMagnetar Financial LLCand 3 others13D5.87%3.31M sharesNewOct 17, 2025SEC
Oct 20, 20254:23 PM ETIntegrated Core Strategies (US) LLCand 3 others13G/A0.40%222.1K shares−4.80 ppfrom 5.20%Below 5%Oct 14, 2025SEC
Oct 16, 20258:52 PM ETPerceptive Advisors LLCand 3 others13D/A11.50%6.49M shares–Oct 14, 2025SEC
Oct 15, 20259:27 AM ETFairmount Funds Management LLCand 1 other13G/A4.00%2.38M shares−5.90 ppfrom 9.90%Below 5%Oct 14, 2025SEC
Aug 14, 20255:56 PM ETRa Capital Management, L.P.and 3 others13G/A0.00%0 shares–Below 5%Jun 30, 2025SEC
Jun 18, 20254:03 PM ETIntegrated Core Strategies (US) LLCand 3 others13G5.20%2.94M shares+1.70 ppfrom 3.50%Jun 13, 2025SEC
May 15, 20258:45 AM ETForGrowth III PA B.V.and 2 others13G/A6.80%3.82M shares+1.70 ppfrom 5.10%Mar 31, 2025SEC
May 12, 202510:10 AM ETFMR LLCand 1 other13G/A12.30%6.94M shares−1.60 ppfrom 13.90%Mar 31, 2025SEC
Feb 14, 20256:13 PM ETVenrock Healthcare Capital Partners III, L.P.and 6 others13G/A4.40%2.46M shares–Below 5%Dec 31, 2024SEC
Feb 14, 20253:45 PM ETFairmount Funds Management LLCand 1 other13G/A9.90%5.87M shares–Dec 31, 2024SEC
Feb 12, 20258:46 AM ETFMR LLCand 1 other13G/A13.90%7.82M shares–Dec 31, 2024SEC
Jan 28, 20254:00 PM ETIntegrated Core Strategies (US) LLCand 3 others13G/A3.50%1.99M shares–Below 5%Dec 31, 2024SEC
Jan 7, 20257:45 AM ETForGrowth III PA B.V.and 2 others13G5.10%2.87M sharesNewDec 30, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Astria Therapeutics, Inc. shares.

No Form 144 notices for Astria Therapeutics, Inc. are on file.