Private company

Longitude Capital Partners III, LLC

American company, incorporated in Delaware. Summary from the record

Last updated Oct 21, 2026.

Overview

HeadquartersDE¹

See how the biggest companies compare on our leaderboards

Corporate structure

Longitude Capital Partners III, LLC sits at the top of its group. 6 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Longitude Capital Partners III, LLC DE
- 89bio, Inc. Stake · San Francisco, California
- Inozyme Pharma, Inc. Stake · Boston, Massachusetts
- Molecular Templates, Inc. Stake · South San Francisco, California, United States
- Sierra Oncology, Inc. Stake · San Mateo, California
- Tourmaline Bio, Inc. Stake · New York, New York

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (5 companies). Each entity in the chart links to its source.

Stakes it holds

Longitude Capital Partners III, LLC has told the SEC it owns more than 5% of 5 companies, latest first (Schedules 13D and 13G).

Molecular Templates, Inc.SC 13D/A Feb 14, 2023 to Apr 29, 2024²
Tourmaline Bio, Inc.SC 13D/A Oct 30, 2023³
Inozyme Pharma, Inc.SC 13D/A Apr 28, 2022 to Aug 11, 2023⁴
89bio, Inc.SC 13D/A Feb 7, 2022 to Feb 14, 2023⁵
Sierra Oncology, Inc.SC 13D/A Nov 8, 2021 to May 6, 2022⁶

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARLongitude Capital Partners III, LLC filings on SEC EDGAR
2
SEC EDGARLongitude Capital Partners III, LLC SC 13D/A on Molecular Templates, Inc.
3
SEC EDGARLongitude Capital Partners III, LLC SC 13D/A on Tourmaline Bio, Inc.
4
SEC EDGARLongitude Capital Partners III, LLC SC 13D/A on Inozyme Pharma, Inc.
5
SEC EDGARLongitude Capital Partners III, LLC SC 13D/A on 89bio, Inc.
6
SEC EDGARLongitude Capital Partners III, LLC SC 13D/A on Sierra Oncology, Inc.