Skip to main content
Livermore
Livermore
ZHEN

Obsidian Therapeutics, Inc.

OBX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0002130606

No open-market purchases or sales by Obsidian Therapeutics, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Holders of 5% or more of OBX

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

Holders of 5% or more of OBX
HolderLatest formStakeChangeFirst filedLatest filingFiling
Ra Capital Management, L.P.13G9.70%5.96M sharesNewAug 10, 20261 filingAug 10, 2026SEC
Deep Track Capital, LP13G5.37%3.32M sharesNewAug 11, 20261 filingAug 11, 2026SEC
Novo Holdings A/S13G5.10%3.12M sharesNewAug 10, 20261 filingAug 10, 2026SEC

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

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

Schedule 13D and 13G filings on OBX
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 11, 20264:03 PM ETDeep Track Capital, LPand 3 others13G5.37%3.32M sharesNewAug 4, 2026SEC
Aug 10, 20264:43 PM ETAtlas Venture Fund X, L.P.and 11 others13G4.30%2.64M sharesNewBelow 5%Aug 3, 2026SEC
Aug 10, 20264:23 PM ETRa Capital Management, L.P.and 3 others13G9.70%5.96M sharesNewAug 3, 2026SEC
Aug 10, 20264:21 PM ETNovo Holdings A/S13G5.10%3.12M sharesNewAug 3, 2026SEC

Form 144: proposed insider sales

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

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