Pleural Dynamics

Wayzata, MN · Founded 2020 · Privately Held (backing)

Developer of medical devices designed to help eliminate recurrent pleural effusions with a pump. Pleural Dynamics is based in Wayzata, MN and was founded in 2020. Its last reported valuation was $5.8 million in May 2020. It has raised $9.2 million across 3 recorded rounds; the latest was a $618,000 debt round in Oct 2025.

Last reported valuation
$5.8M
Oct 2026
Priced at
—
Total raised
$9.2M
Last round
Debt
Oct 2025
What is Pleural Dynamics worth?
$5.8Mlast reported valuation · Oct 2026

Pleural Dynamics's last reported valuation, May 2020. Nothing priced has surfaced since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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Pleural Dynamics funding history

3 rounds
DateRoundRaisedPost-money
Oct 2025Debt$618K▮
May 2023Early Stage VC$7.7M▮
Apr 2020Seed Round$835K▮
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Pleural Dynamics valuation

Pleural Dynamics's last reported valuation was $5.8 million in May 2020. No priced round, secondary trade or fund mark has surfaced since.

How much has Pleural Dynamics raised?

Pleural Dynamics has raised $9.2 million across 3 recorded rounds since 2020. The largest was an $835,000 seed round in Apr 2020; the most recent was a $618,000 debt round in Oct 2025.

Pleural Dynamics has filed 6 Form Ds with the SEC since 2020, most recently in Nov 2025 ($618,000 sold to 6 investors).

Institutional holders and vehicles

In the last 12 months, 1 investment vehicle was formed to buy Pleural Dynamics shares, reporting $631,990 sold to 16 investors, per SEC Form D filings (most recent Dec 2025).

How Pleural Dynamics's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For Pleural Dynamics, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by last reported valuation. Question about this number? Full methodology →

Frequently asked about Pleural Dynamics

What is Pleural Dynamics worth?
Pleural Dynamics is valued at $5.8M as of Oct 2026. Pleural Dynamics's last reported valuation, May 2020. Nothing priced has surfaced since.
How much has Pleural Dynamics raised?
Pleural Dynamics has raised $9.2M in total funding across 3 recorded rounds.
When did Pleural Dynamics last raise?
Pleural Dynamics last raised in Oct 2025 (Debt), raising $618K.