13D/G large-stake feed
Since 04 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
10%
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.
ORBIMED ADVISORS LLC filed Schedule 13G/A for RAPT Therapeutics, Inc. (RAPT). Reported class ownership: 0%. Ownership change: -6.6%. Share change: -100%. 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.
Nantahala Capital Management, LLC filed Schedule 13G for RALLYBIO CORPORATION (RLYB). Reported class ownership: 5.7%. 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.
Nantahala Capital Management, LLC filed Schedule 13G/A for Fractyl Health, Inc. (GUTS). Reported class ownership: 10%. Ownership change: 0%. Share change: +21%. 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.
Encompass Capital Advisors LLC filed Schedule 13G/A for Flowco Holdings Inc. (FLOC). Reported class ownership: 3.1%. Ownership change: -2.7%. Share change: -15%. 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.
Nantahala Capital Management, LLC filed Schedule 13G/A for Surrozen, Inc./DE (SRZN). Reported class ownership: 2.1%. Ownership change: -3%. Share change: -50%. 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.
Nantahala Capital Management, LLC filed Schedule 13G/A for FULCRUM THERAPEUTICS, INC. (FULC). Reported class ownership: 4.6%. Ownership change: -3.1%. Share change: -36%. 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.