How Much Did Pulmatrix Raise?
Funding & Key Investors

Pulmatrix, a clinical-stage biopharmaceutical innovator, has successfully secured a total of $157.3M in cumulative capital to advance its proprietary drug delivery pipeline. The company recently finalized a major strategic investment of $1M, reinforcing its market position as it transitions through critical clinical development phases. This latest infusion of financing underscores investor confidence in the firm's ability to address complex pulmonary and non-pulmonary conditions through its specialized technological framework.

The company's growth trajectory, marked by consistent backing from institutional life science investors, reflects a long-term commitment to refining its proprietary iSPERSE dry powder delivery platform. By maximizing local therapeutic concentrations while minimizing systemic exposure, Pulmatrix continues to differentiate its clinical assets in a competitive biopharmaceutical landscape.

What is Pulmatrix?

Pulmatrix
ManufacturingPharmaceuticalsBusiness Services

Pulmatrix is a specialized biopharmaceutical entity focused on the development of inhaled therapies designed to treat serious respiratory and systemic diseases. At the core of its operations is the patented iSPERSE technology, an engineered dry powder platform that optimizes drug delivery to the lungs. This platform is currently being leveraged to address high-unmet-need conditions, including Chronic Obstructive Pulmonary Disease (COPD), allergic bronchopulmonary aspergillosis (ABPA), and various neurologic disorders such as acute migraine. By prioritizing localized delivery, the company aims to enhance patient outcomes and reduce the side-effect profiles typically associated with systemic administration.

How much funding has Pulmatrix raised?

Pulmatrix has raised a total of $157.3M across 15 funding rounds:

2013

Debt

$20.5M

2015

Share Placement

$10M

2017

Stock Offering

$9.7M

2018

Stock Offering

$15.9M

Stock Offering

$3M

2019

Multiple Rounds

$20.3M

2020

Stock Offering

$8M

2026

Stock/Share Issuance

$1M

Debt (2013): $20.5M with participation from Undisclosed

Share Placement (2015): $10M led by ARCH Ventures, 5AM Ventures, Polaris Partners, and Altitude Life Science Ventures

Stock Issuance/Offering (2017): $9.7M supported by Undisclosed

Stock Issuance/Offering (2018): $15.9M featuring Undisclosed

Stock Issuance/Offering (2018): $3M backed by Undisclosed

Stock Issuance/Offering (2019): $1.2M with participation from Undisclosed

Stock Issuance/Offering (2019): $2.5M led by Undisclosed

Stock Issuance/Offering (2019): $16.6M supported by Undisclosed

Stock Issuance/Offering (2020): $8M featuring Undisclosed

Stock/Share Issuance (2026): $1M, investors not publicly disclosed

Key Investors in Pulmatrix

5AM Ventures

Five AM Ventures is a life science focused venture capital firm that backs early stage biotech and health care innovators, partnering closely with founders to shape companies, fund rigorous science and help bring new therapies and technologies to patients.

Polaris Partners

Polaris Partners is a venture capital firm that specializes in backing transformational companies in the biotech and healthcare sectors, providing coaching, advice, and resources for growth.

Novartis Venture Fund

Novartis is a global pharmaceutical manufacturer headquartered in Switzerland, specializing in developing and producing innovative medications and healthcare solutions across multiple therapeutic areas.

What's next for Pulmatrix?

With the recent capital injection, Pulmatrix is positioned to accelerate its clinical trial milestones and further validate the efficacy of its iSPERSE-based product candidates. The strategic focus remains on advancing its pipeline through late-stage clinical trials and exploring potential commercialization pathways for its lead assets. As the company matures, the emphasis will likely shift toward scaling manufacturing capabilities and strengthening its intellectual property portfolio to maintain its competitive edge in the inhaled therapeutics market. Continued engagement with institutional partners will be vital as the firm navigates the regulatory complexities inherent in bringing novel pulmonary treatments to market.

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Frequently Asked Questions Regarding Pulmatrix Financial Insights

What are the most recent funding rounds that Pulmatrix has completed, and what were the funding rounds?
Pulmatrix has recently completed 3 funding rounds: Stock/Share Issuance on Apr 15, 2026, Stock Offering on Apr 20, 2020, Stock Offering on Apr 8, 2019.
What is the total amount of funding Pulmatrix has raised to date?
Pulmatrix has raised a total of $157.3M in funding to date.
How many funding rounds has Pulmatrix completed?
Pulmatrix has completed 3 funding rounds.
How much funding did Pulmatrix raise in its most recent funding round?
Pulmatrix raised $1M in its most recent funding round.
Which was the largest funding round in Pulmatrix's history?
The largest funding round in Pulmatrix's history was $29.4M.
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