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Stonebridge Alpha-1

Stonebridge Alpha-1 last closed a fund in July 2021 — 64 months ago.

Next fund
No rhythm to call

1 fund on record — a rhythm needs three. No month is guessed; the filing will say.

No recent fund  This firm has filed no new fund in over five years, so it either stopped raising or raises in a way Form D never sees.

Funds on file
6
Single-deal SPVs
25
Capital raised
$23M
Latest close
July 2021
Based in
UT, WA

Vehicles on file

VehicleFirst closeAmount Filings
Stonebridge Alpha-1, LP - B1July 2021$3M0001919539 ↗
Stonebridge Alpha-1, LP - A4April 2021$6M0001901168 ↗
Stonebridge Alpha-1, LP - FUND III A3January 2021$8M0001901167 ↗
Stonebridge Alpha-1, LP - A3January 2021$2M0001839650 ↗
Stonebridge Alpha-1, LP - Fund III A2October 2020$2M0001827109 ↗
Stonebridge Alpha-1, LP - Fund III A1August 2020$721,6670001820873 ↗
ST Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)November 2021$2M0001895892 ↗
BO Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)October 2021$908,0000001887823 ↗
HU Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)September 2021$505,0000001887382 ↗
BO Fund II, a series of Stonebridge Alpha-1, LP (single-deal SPV)September 2021$237,5000001886557 ↗
AL Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)September 2021$1M0001885183 ↗
OF Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)August 2021$2M0001881283 ↗
WI Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)August 2021$409,4560001879613 ↗
RI Fund II, a series of Stonebridge Alpha-1, LP (single-deal SPV)June 2021$358,0000001873144 ↗
BR Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)April 2021$254,0000001857878 ↗
BI Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)March 2021$937,0000001854741 ↗
PO Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)March 2021$454,0000001850668 ↗
AB Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)January 2021$504,0000001843030 ↗
CA Fund II, a series of Stonebridge Alpha-1, LP (single-deal SPV)June 2020$709,1570001815026 ↗
CA Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)May 2020$1M0001813346 ↗
CR Fund II, a series of Stonebridge Alpha-1, LP (single-deal SPV)May 2020$394,0000001812247 ↗
CR Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)April 2020$275,0000001808627 ↗
CON Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)March 2020$676,0000001807962 ↗
CO Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)January 2020$148,8810001801880 ↗
RO Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)December 2019$504,0000001796192 ↗
GE Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)November 2019$488,0010001794201 ↗
DE Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)October 2019$533,0000001791361 ↗
RI Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)July 2019$259,3180001782376 ↗
BL Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)June 2019$794,0000001781418 ↗
Fund II, a series of Stonebridge Alpha-1, LP (single-deal SPV)November 2018$3M0001755867 ↗
Fund I, a series of Stonebridge Alpha-1, LP (single-deal SPV)September 2017$2M0001718258 ↗

Each row links to that vehicle’s Form D filings on EDGAR — the name, date and amount above should match what is filed there.

What Stonebridge Alpha-1 invests in

Typical fund
$3M median, pre-seed / seed scale
Median of this firm’s filed fund sizes on Form D.

Service providers

Fund administrator
AngelList (Belltower) (26 funds)
Auditor
Not on file

From Form ADV filed by PLATFORM ADVISOR, LLC CRD 167700 ↗, latest filing June 2026, covering 26 funds linked to this firm by Form D file number. Form ADV is filed once a year, so a provider may have changed since. How this is matched.

What this is. Every figure on this page comes from Form D filings with the U.S. Securities and Exchange Commission — public records, reproduced here as filed. Service providers, where shown, come from the adviser’s Form ADV and are dated.

What it is not. Single-deal SPVs, feeder vehicles and GP or employee commitment funds are listed but excluded from fund counts and capital totals: an SPV is one investment, a feeder holds the same capital as its master, and a “Principals” or “Entrepreneurs” fund closes alongside a main fund rather than being raised in its own right. Capital deployed from a family office, a corporate balance sheet or an evergreen structure never arrives as a fund close, so a firm doing that looks quiet here. Amounts are as of the last amendment and go stale. Dates are the date of first sale — a fund's first close, not its final one. Funds filed as “Indefinite” are excluded from totals rather than counted as zero, so a total is a floor.

“No recent fund” is a statement about filings. It is not a statement about whether a firm is solvent, investing, or still in business.