13D/G large-stake feed
Since 06 May 2026. Review filer CIK, subject security, ownership %, and SEC evidence first.
Recent 13D/G signals
Start with holder, issuer/security, stake size, and SEC evidence.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Schedule 13D/G ownership events
Stake size, change direction, reporting filer, issuer, active/passive form type, and SEC evidence.
Visible reports
6
Fresh large-stake filings promoted above the legacy table.
13D/13G mix
0/6
Active-intent candidates versus passive large-stake disclosures.
Largest visible stake
49%
Highest class ownership surfaced in the preview cards.
Newest evidence
15 May 2026
Use recency before treating an old large-stake story as fresh.
Signal checks
active/control intent, item text, amendments
large passive holder disclosure
ownership percent and share change
issuer, filer history, insider activity, 13F context
SEC-verifiable Schedule 13D/G path
Open the Schedule 13D/G filing, then cross-check insider and Form 13F evidence.
PERCEPTIVE ADVISORS LLC filed Schedule 13G/A for PALISADE BIO, INC. (IMVIQ). Reported class ownership: 7.9%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
Create an account from this card and we will save this large-stake filer to your watchlist after sign-in or verification.
PERCEPTIVE ADVISORS LLC filed Schedule 13G/A for RHYTHM PHARMACEUTICALS, INC. (RYTM). Reported class ownership: 5.1%. Ownership change: -1.7%. Share change: -20%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
Create an account from this card and we will save this large-stake filer to your watchlist after sign-in or verification.
PERCEPTIVE ADVISORS LLC filed Schedule 13G/A for Traws Pharma, Inc. (TRAW). Reported class ownership: 6.1%. Ownership change: -3.9%. Share change: +10%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
Create an account from this card and we will save this large-stake filer to your watchlist after sign-in or verification.
PERCEPTIVE ADVISORS LLC filed Schedule 13G/A for Amylyx Pharmaceuticals, Inc. (AMLX). Reported class ownership: 7.5%. Ownership change: -0.7%. Share change: -7.5%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
Create an account from this card and we will save this large-stake filer to your watchlist after sign-in or verification.
Flagship Pioneering, LLC filed Schedule 13G for Generate Biomedicines, Inc. (GENB). Reported class ownership: 49%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
Create an account from this card and we will save this large-stake filer to your watchlist after sign-in or verification.
PERCEPTIVE ADVISORS LLC filed Schedule 13G/A for X4 PHARMACEUTICALS, INC. (XFOR). Reported class ownership: 7.3%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
Create an account from this card and we will save this large-stake filer to your watchlist after sign-in or verification.