United States · Investor

Washington Harbour Partners Lp

Last cheque observed Oct 2026; 51 cheques on record.

Deploying nowPrivate equity

Series ASeries BBankingTech For GoodSocial

Deploying now
90%of best year28cheques in 12 months, 51 on record
Since the last cheque7days00hrs00min00sec
Median round$60MRounds led9 of 51Sole investor3 roundsMostly inUnited States, 95%
Pitch Washington Harbour Partners Lp

Washington Harbour Partners Lp highlights

  1. 01

    28 cheques in the last 12 months

  2. 02

    Mostly Series B and Venture: 50% of its rounds

  3. 03

    Sole investor in 3 rounds, median $39M

What they do

A sector specialized private investment firm partnering with mission-critical, non-cyclical businesses across cybersecurity, government technology and enterprise technology.From their own website
Type
Private equity (from a list, unverified)
Cheque size
Not stated
Stages
Series ASeries B
Sectors
BankingTech For GoodSocial
Based in
Arlington, United States
Cold pitches
Not accepted

The record

Every round we can evidence, newest first51 appearances

  1. 2026

    25 rounds

  2. Oct
  3. Oct
  4. Sept
    Stoke Space TechnologiesSeries E · US · MaC Venture Capital$1.0BWith 10 others
  5. Sept
    Rune TechnologiesGrant · US$4.1MWith 5 others
  6. Aug
    Smack TechnologiesSeries B · US · Ventureburn$61MWith 6 others
  7. Aug
    HadrianGrowth · US · Crunchbase News$1.4BLed
  8. Jul
    PicogridGrant · US$114KWith 4 others
  9. Jun
    ComputomicGrowth · US · Washington Harbour Partners LpUndisclosedLed
  10. Jun
    NinjaOneSeries C · US · Crunchbase News$400MWith 10 others
  11. May
    Scout SpaceSeries A · US · Ventureburn$18MLed
  12. May
    RED 6Venture · USUndisclosedWith 3 others
  13. May
    Anello PhotonicsSeries B · US$25MWith 2 others
  14. Apr
    Firestorm LabsSeries B · US · TechCrunch$82MLed
  15. Apr
    Turion SpaceSeries B · US · Ventureburn$75MLed
  16. Apr
    Vulcan ElementsVenture · US$431MWith 2 others
  17. Apr
    Citra SpaceSeries A · US$15MWith 2 others
  18. Apr
    Turion SpaceSeries B · US$20MWith 3 others
  19. Mar
    Smack TechnologiesSeries A · US · Ventureburn$32MWith 7 others
  20. Mar
    StriveworksSeries B · US$18MSole investor
  21. Mar
    WorldscapeSeed · US$6.0MWith 1 other
  22. Feb
    SolstenVenture · DEUndisclosedWith 3 others
  23. Jan
    VulcanFormsSeries D · US · Ventureburn$220MWith 6 others
  24. Jan
    Standard NuclearSeries A · US · TechCrunch$140MWith 8 others
  25. Jan
    Northwood SpaceSeries B · US · Alpine Space Ventures$100MLed
  26. Jan
    Array LabsSeries A · US$20MWith 4 others
  27. 2025

    17 rounds

  28. Dec
    HadrianGrowth · NL$131MWith 4 others
  29. Nov
    QuindarSeries A · US$18MWith 4 others
  30. Nov
    Vulcan ElementsDebt · US$620MWith 2 others
  31. Oct
    Stoke SpaceGrowth · US · TechCrunch$510MWith 5 others
  32. Oct
    Stoke SpaceSeries D · US$860MWith 4 others
  33. Oct
    EpirusVenture · USUndisclosedWith 4 others
  34. Oct
    SaildroneVenture · US$50MWith 3 others
  35. Oct
    Conifers.AiVenture · USUndisclosedWith 2 others
  36. Sept
    RegScaleSeries B · US$30MWith 2 others
  37. Aug
    Shield AIVenture · USUndisclosedWith 3 others
  38. Aug
    MedallionSeries C · US$43MWith 6 others
  39. Jul
    Rune TechnologiesSeries A · US · TechCrunch$24MWith 7 others
  40. May
    SaildroneSeries C · US$60MWith 3 others
  41. Apr
    ApexSeries C · US · Crunchbase News$200MWith 4 others
  42. Mar
    EpirusSeries D · US · Crunchbase News$250MLed

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 registration2 named

MCMina Charles FaltasLimited Partner and Chief Investment OfficeriForm ADV
SEStephen Edward GuffeyChief Compliance Officer and Chief Financial OfficeriForm ADV

We also hold 17 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

$4.7Bassets it managesOct 2026
Registeredinvestment adviserfull reporting to the SEC
Legal name
Washington Harbour Partners LP
SEC number
CRD 309915

Funds on its Form ADV

38 private funds, $855M in gross assets · filed Aug 2024

Private equity 37Hedge 1

  1. Washington Harbour Federal IT Holdings, LLCPrivate equity47 investors$125M
  2. Washington Harbour AI, LLCPrivate equity2 investors$121M
  3. Washington Harbour Cyber Holdings, LLCPrivate equity58 investors$115M
  4. Washington Harbour Digital Mission Blocker, INCPrivate equity53 investors$71M
  5. Washington Harbour Capital Opportunities Master Fund, L.P.Hedge34 investors$64M
  6. Washington Harbour Esports, LLCPrivate equity15 investors$37M
  7. Washington Harbour Metaverse, LLCPrivate equity48 investors$36M
  8. Washington Harbour Metaverse VIII, LLCPrivate equity1 investor$30M
  9. Washington Harbour Metaverse VI, LLCPrivate equity7 investors$25M
  10. Washington Harbour Metaverse II, LLCPrivate equity45 investors$20M

And 28 more on the filing.

Who they invest alongside

The investors most often in the same rounds as Washington Harbour Partners Lp. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies Washington Harbour Partners Lp put money into.

Quick answers about Washington Harbour Partners Lp

What does Washington Harbour Partners Lp invest in?

Washington Harbour Partners Lp invests most often at Series B and Venture (50% of the rounds on record), in sectors such as Banking, Tech For Good and Social.

How active is Washington Harbour Partners Lp?

51 investments on record, 28 of them in the last 12 months, and it led 9. The most recent was in Oct 2026.

What has Washington Harbour Partners Lp invested in recently?

Its most recent investments on record: Apex (Undisclosed round, Oct 2026), Kapta Space (Series A, Oct 2026) and Stoke Space Technologies (Series E, Sept 2026).

How big are Washington Harbour Partners Lp's cheques?

The median round it joins is $60M.

Does Washington Harbour Partners Lp lead rounds?

Yes: it led 9 of its 51 investments on record (18%).

Where does Washington Harbour Partners Lp invest?

Most of the companies it backs are in the United States (95%).

Is Washington Harbour Partners Lp investing now?

Yes: it is actively investing, with 28 investments in the last 12 months.

Who does Washington Harbour Partners Lp invest alongside?

Most often Andreessen Horowitz (10 rounds together), Alumni Ventures (8 rounds together) and Gaingels (6 rounds together).

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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