Investor

Black Flag

No observed cheques in the sources we track. That is a limit of our coverage, not a finding about this organisation.

AcceleratorUnknownNew fund $950K, Dec 2025

Pre-seedSeedAIAerospaceBiology

Cheques on record

No rounds observed yetA limit of the sources we read, not a finding about the firm.

Cheque size, as they say$250K – $5.0M
Pitch Black Flag

What they do

Black Flag is a virtual, personalized program that provides capital and hands-on support tailored to founders building the future of aerospace, biology, energy, robotics and more.From their own website
Type
Accelerator
Cheque size
$250K – $5.0M as they say
Stages
Pre-seedSeed
Sectors
AIAerospaceBiology
Cold pitches
Accepted

The record

No rounds observed yet. That is a limit of the sources we read, not a finding about the firm. If it has invested, a round will put it here. Know a round it was in? Tell us.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration1 named

LALarsen Alan JensenManaging DirectoriForm ADV

We also hold 1 person at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$604Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
Legal name
Harpoon Management, LLC
SEC number
CRD 305129

What they claim to have backed

From their own portfolio page (on their website)

10 of 20 we have independently watched raise

AnthropicDauntlessDeckEnergyEraDrive Autonomy-as-a-Service forHarpoonPalantirRhoSecondfrontSuper Powers MobilityAirforceDarpaDefenseIqtMarinesNrlShieldcapSiftstackTectonic Labs Quantum-eraType III American-made

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

Quick answers about Black Flag

What does Black Flag invest in?

Black Flag says it invests in AI, Aerospace and Biology.

How big are Black Flag's cheques?

It says it writes cheques of $250K to $5.0M.

Is Black Flag investing now?

No investments in the last 12 months.

What kind of investor is Black Flag?

Black Flag is an accelerator.

How much does Black Flag manage?

About $604M, as gross assets of its private funds (Oct 2026).

Has Black Flag raised a new fund?

Its latest fund filing with the SEC was in Dec 2025, reporting $950K raised.

Does Black Flag take cold pitches?

Yes: its own website says it reads unsolicited pitches.

Where does this information on Black Flag come from?

From public registers and its own website, checked and rebuilt every night.

Raising now?

Find the investors who back rounds like yours, and keep every conversation on one fundraising board.

Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it