Columbia Capital

Venture Capital SEC-registered adviser

Legal name: Columbia Capital, L.P.

Alexandria, VA Website LinkedIn

AUM

$13.8B
Regulatory AUM

Private funds

30
Venture Capital 24 · Real Estate 5 · Private Equity 1

Private fund assets

$13.8B
Gross asset value

Employees

54

Last Form D raise

Apr 2026
Most recent fund filing

From SEC Form ADV filing (filed Sep 9, 2026). View on SEC

Investment focus

As listed in industry directories; may be out of date.

Geographies
USA

People(2)

Owners and executive officers named on the firm's SEC Form ADV.

J
James Fleming
President
Source: SEC Form ADV
J
John Siegel
Executive Vice President and Treasurer
Source: SEC Form ADV

Funds(30)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Digital Realty Moores Chapel Co-Invest-A, LPReal Estate$16.8M——Apr 2026Warm
Digital Realty Moores Chapel Co-Invest-B, LPReal Estate$10.9M——Apr 2026Warm
Digital Realty Dc Partners Na Fund-A, LPReal Estate$3.7B$3.2B98Feb 2026Warm
Digital Realty Dc Partners Na Fund-B, LPReal Estate$1.0B$3.2B26Feb 2026Warm
Columbia Xig Co-Invest, L.P.Venture Capital$100.0M——Nov 2025Warm
Columbia Centra Co-Invest, L.P.Venture Capital$161.1M——Jun 2025Cool
Columbia Spectrum Partners Vi-B, L.P.Venture Capital$278.1M——Apr 2025Cool
Columbia Spectrum Partners Vi-A, L.P.Venture Capital$1.8B——Sep 2024Cold
Columbia Sig Cv, L.P.Private Equity$186.6M——Aug 2024Cold
Columbia Tract Partners I-A, L.P.Real Estate$1.7B$930.4M78Dec 2023Cold
Columbia Capital Equity Partners Viii-A, L.P.Venture Capital$434.4M$654.7M38Dec 2023Cold
Columbia Capital Equity Partners Viii-B, L.P.Venture Capital$391.3M$654.7M21Dec 2023Cold
Columbia Capital Opportunities Fund I-B, L.P.Venture Capital$320.0M$322.3M11Dec 2023Cold
Columbia Capital Opportunities Fund I-A, L.P.Venture Capital$132.4M$322.3M13Dec 2023Cold
Columbia Spectrum Partners V-A, L.P.Venture Capital$1.6B——Jul 2021Cold

Board seats(10)

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

Lemongrass Holdings
OtherAlexandria, VADirector: John Siegel
$64.3M raised
Since Feb 2018
SEC Form D
Three Forty-Five Holdings
TelecommunicationsAlexandria, VADirector: James Fleming
Since Jun 2021
SEC Form D
MB Spectrum Holdings
TelecommunicationsAlexandria, VADirector: James Fleming
Since Oct 2020
SEC Form D
Contino Holdings
Other TechnologyAtlanta,, GADirector: John Siegel
$28.1M raised
Since Dec 2015
SEC Form D
NextNav Holdings
Other TechnologyMcLean, VADirector: James Fleming
$83.2M raised
Since Sep 2016
SEC Form D
LB Spectrum Holdings
TelecommunicationsAlexandria, VADirector: James Fleming
Since Dec 2017
SEC Form D
Local Media TV Holdings
OtherLos Angeles, CADirector: James Fleming
$169K raised
Since Oct 2015
SEC Form D
BSI Platform Holdings
OtherAlexandria, VADirector: John Siegel
$8.5M raised
Since May 2015
SEC Form D
Declarative Holdings
Other TechnologyNew York, NYDirector: John Siegel
$34.0M raised
Since Mar 2012
SEC Form D
Virtustream
Other TechnologyBethesda, MDDirector: John Siegel
$10.0M raised
Since Mar 2012
SEC Form D

Shares boards with

Firms whose people sit on the same company boards.

Noro-Moseley Partners
Venture Capital
1 shared

Regulatory identifiers

CRD number
159616
SEC file number
801-126354

Sources