United States · Investor

StillMark

Last cheque observed Dec 2025; 2 cheques on record.

Angel networkDeploying nowLast fund $36M, Mar 2025

SeedSeries ASeries BBitcoin

Deploying now
50%of best year1cheques in 12 months, 2 on record
Since the last cheque338days00hrs00min00sec
Median round$49MRounds led0 of 2
Pitch StillMark

StillMark highlights

  1. 01

    1 cheques in the last 12 months

  2. 02

    Mostly Series A and Series B: 100% of its rounds

What they do

Venture capital for the architects of a bitcoin-powered futureFrom their own website
Type
Angel network (from a list, unverified)
Cheque size
Not stated
Stages
SeedSeries ASeries B
Sectors
Bitcoin
Based in
Los Angeles, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first2 appearances

  1. 2025

    2 rounds

  2. Dec
    BitstackSeries A · 13books Capital$15MWith 7 others
  3. Oct
    MeanwhileSeries B · BM · TechStartups$82MWith 7 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

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

AKAlyse KilleenSole Member and Managing DirectoriForm ADV

We also hold 2 people 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

$90Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
Legal name
Stillmark Management LLC
SEC number
CRD 305462

What they claim to have backed

From their own portfolio page (on their website)

8 of 22 we have independently watched raise

Alpen LabsAmboss TechnologiesBitstack logo linksCasa logo linksFipto logo linksLightning LabsMeanwhile logo linksVespene EnergyBipa logo linksClovyr logo linksGlimpse logo linksGridless logo linksHeatbitHoseki logo linksIbex MercadoPnkfrg StudiosSatoshi EnergySphinx ChatStakwork logo linksStriga logo linksVida logo linksVoltage logo links

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.

Recently backed

The latest companies StillMark put money into.

Quick answers about StillMark

What does StillMark invest in?

StillMark invests most often at Series A and Series B (100% of the rounds on record), in sectors such as Bitcoin.

How active is StillMark?

2 investments on record, 1 of them in the last 12 months. The most recent was in Dec 2025.

What has StillMark invested in recently?

Its most recent investments on record: Bitstack (Series A, Dec 2025) and Meanwhile (Series B, Oct 2025).

How big are StillMark's cheques?

The median round it joins is $49M.

Is StillMark investing now?

Yes: it is actively investing, with 1 investments in the last 12 months.

What kind of investor is StillMark?

StillMark is an angel network based in Los Angeles, United States.

How much does StillMark manage?

About $90M, as gross assets of its private funds (Oct 2026).

Has StillMark raised a new fund?

Its latest fund filing with the SEC was in Mar 2025, reporting $36M raised.

Raising now?

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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