Firms, funds, partners, companies and rounds from sworn filings, firm sites and announcements, kept as a graph with a date and a source on every edge. Facts, inferences and estimates are labelled as such. A fund target is never a close, GAV is never dry powder, and a round size is never an investor’s check.

Firms / Longwood Fund Management LLC

Longwood Fund Management LLC

Institutional venture firm · probableBoston, MAlongwoodfund.comSEC exempt reporting adviserpart of Longwood Fund

One of 2 advisers that share longwoodfund.com; the firm is Longwood Fund. Longwood Management LLC. Each keeps its own CRD, funds and filings; the grouping is the website each swore to on Form ADV and is recomputed every pass.

venture manager with no reported fund assets yet (scale unknown)

Importance
11
low
Active deployment
0
low
Emerging
0
low
Completeness
38
elevated
Freshness
97
high
Research priority
4
low
Identity and regulatory footprint
Headquarters
Boston, MAadviserinfo.sec.gov
Office address
800 BOYLSTON ST, SUITE 1555, Boston, MA, 02199adviserinfo.sec.gov
Business phone
617-351-2590adviserinfo.sec.gov
Website
HTTP://WWW.LONGWOODFUND.COM
SEC adviser type
exempt reporting adviseradviserinfo.sec.gov
SEC exemption claimed
unknown
Latest Form ADV
Feb 28, 2020
Private funds reported
2 (2 venture capital funds)adviserinfo.sec.gov
Private fund gross assets
$79.4Madviserinfo.sec.govreported GAV of the funds, the adviser's own number; not fund size, not dry powder
business phone
617-351-2590adviserinfo.sec.govpublished by the subject
Stated thesis versus observed behaviour
no observed deals yet
Stated (the firm’s website)
Sectors
not stated or not yet read
Stages
not stated or not yet read
Geography
not stated
Check size
not stated; DFX does not estimate checks from round sizes
Observed (from deals on record)
Stage at participation: no observed deals yet
Stage at first entry: no observed deals yet
Sectors: no observed deals yet
lead rate n/afollow-on rate n/anew logos, 12 months 0
Funds and vehicles
0 reported
No vehicle on record yet. A fund arrives from Form ADV Schedule D 7.B.(1) or a Form D filing.
Investment team
3 current, 3 departed
Christoph Wesphal
Managing Member · since Jan 1, 2010
Managing partner
FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Richard H. Aldrich
Managing Member · since Jan 1, 2010
Managing partner
FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
John Edward Lawrence
Chief Financial Officer · since Nov 1, 2017
Platform and operations
FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
3 departed (kept with end dates)
Investments on record
0 edges, 0 companies, 0 partner-attributed
No investment on record yet. Edges arrive from the firm’s portfolio page, financing announcements, and Form D board seats.
Co-investors
3 relationships from shared deals, counted for the whole firm
Arch Venture Partners 1 shared · one timeSofinnova Investments, Inc. 1 shared · one timeRaptor Capital Management LP 1 shared · one time
Limited partners
0 disclosed
No LP commitment on record. An LP edge needs a public disclosure with a quote: a pension report (see Limited partners for the plans read), a fund announcement naming the LP, or a Form ADV owner. The fund page carries the LP’s reported performance.
Timeline
8 dated events
  1. Apr 25, 2018
    Robert Owen Hadfield (General Counsel) no longer on Schedule A of Longwood Fund Management LLC
    Person leftPeopleInferenceRobert Owen HadfieldSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  2. Mar 28, 2018
    Brian Patrick Malone (Chief Financial Officer) no longer on Schedule A of Longwood Fund Management LLC
    Person leftPeopleInferenceBrian Patrick MaloneSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  3. Nov 27, 2017
    Michelle Dipp (Managing Member) no longer on Schedule A of Longwood Fund Management LLC
    Person leftPeopleInferenceMichelle DippSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  4. Nov 1, 2017
    Robert Owen Hadfield joined Schedule A of Longwood Fund Management LLC as General Counsel
    Person joinedPeopleFactRobert Owen HadfieldSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  5. Nov 1, 2017
    John Edward Lawrence joined Schedule A of Longwood Fund Management LLC as Chief Financial Officer
    Person joinedPeopleFactJohn Edward LawrenceSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  6. Mar 20, 2014
    Longwood Fund II LP first reported on Form ADV by Longwood Fund Management LLC (Venture Capital Fund), GAV $60,000,000
    Fund first reported on Form ADVFundsFactLongwood Fund II LPSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  7. Mar 8, 2012
    Longwood Fund Management LLC first filed Form ADV (ERA, venture capital fund adviser exemption)
    First SEC adviser filingOrganizationFactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
  8. Mar 8, 2012
    Longwood Fund LP first reported on Form ADV by Longwood Fund Management LLC (Venture Capital Fund), GAV $91,509,823
    Fund first reported on Form ADVFundsFactLongwood Fund LPSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Classification history
  1. Sep 12, 2026
    Institutional venture firm (probable, 70%, cls-1)
    venture manager with no reported fund assets yet (scale unknown)
Evidence
27 observations from 1 source
Every observation behind this profile, with its source, date and class
FactValueEffectiveClassSource
SEC adviser typeexempt_reporting_adviserFeb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
First Form ADV filing2012-03-08Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Adv history loadedadv-hist-1Sep 12, 2026FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Latest Form ADV filing2020-02-28Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Venture share of reported funds1Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Business phone617-351-2590Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
HeadquartersBoston, MAFeb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Office address800 BOYLSTON ST, SUITE 1555, Boston, MA, 02199Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Legal formLimited Liability CompanyFeb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Private funds reported2Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Private fund gross assets (reported)$79.4MFeb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Venture funds reported2Feb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
WebsiteHTTP://WWW.LONGWOODFUND.COMFeb 28, 2020FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)