Locations

OAK BROOK

Private financing in OAK BROOK, aggregated from public sources.

$217.8M
Capital raised
27
Companies
36
Rounds
2009
First on record
2025-04-24
Latest round

Cooling OAK BROOK drew — over the last 12 months, down 100% versus the prior 12 ($3.4M). Of 23 companies rankable against same-niche peers, 30% model over-valued and 26% under-valued.

Capital flow over time

Quarterly capital raised in OAK BROOK.

2009-Q4 · $3.9M2009-Q42010-Q1 · $1.5M2010-Q4 · $12.6M2012-Q1 · $3.4M2012-Q12012-Q2 · $3.0M2013-Q2 · $2.1M2013-Q3 · $9.0M2013-Q32015-Q1 · $1.0M2015-Q2 · $330K2015-Q4 · $11.2M2015-Q42016-Q2 · $1.7M2016-Q3 · $5.1M2017-Q2 · $3.0M2017-Q22017-Q3 · $125.3M2018-Q4 · $7.0M2019-Q1 · $1.9M2019-Q12021-Q1 · $6.2M2021-Q2 · $2.3M2021-Q4 · $4.2M2021-Q42022-Q1 · $650K2022-Q2 · $5.0M2023-Q2 · $502K2023-Q22023-Q4 · $2.5M2024-Q2 · $1.1M2025-Q2 · $3.4M2025-Q2
Sector mix
SectorCompaniesRoundsCapital
Other710$136.4M
Other Health Care67$26.2M
Telecommunications15$14.5M
Pharmaceuticals12$12.6M
Investment Vehicle44$10.9M
Other Technology24$8.0M
Healthtech11$5.0M
Other Energy22$3.2M
Top-funded companies
CompanySectorRaisedModeled value
Grahm Partners, LlcOther Health Care$11.2M$226.5M
Millennium Pharmacy Services, Inc.Pharmaceuticals$12.6M$219.1M
Texas Healthcare Portfolio II DSTHealthtech$5.0M$111.9M
Inland Loan Fund, LLCInvestment Vehicle$5.0M$75.7M
Wayne Ventures, LlcOther Health Care$3.0M$74.6M
Rise Health, Inc.Other Health Care$4.5M$74.4M
Swapay It, Inc.Other Technology$4.2M$67.2M
1288079 B.C. Ltd.Other Health Care$3.7M$65.9M
Itracs CorpOther Technology$3.9M$62.7M
Boah Group, LlcOther Health Care$2.1M$52.0M
Castle A M & CoOther$120.3M$50.5M
Viva Andalucia LLCOther$5.0M$44.0M
Sgc Partners, LlcOther Health Care$1.7M$41.5M
Tru Enterprises, LLCOther$5.0M$37.3M
Inland Loan Fund III, LLCInvestment Vehicle$2.5M$37.2M
Ranger Ventures, LLCOther$1.9M$34.8M
Ranger Ventures II, LLCInvestment Vehicle$2.3M$32.1M
AM3 Pinnacle CorpTelecommunications$14.5M$17.5M
Nova Security Group, Inc.Manufacturing$6.0M$12.9M
Medracon, Inc.Pharmaceuticals$6.0M$12.6M
Other locations
SAN FRANCISCO$186.4BNEW YORK$184.6BBOSTON$44.5BNew York$39.7BAUSTIN$29.3BCHICAGO$28.9BLOS ANGELES$27.7BCAMBRIDGE$24.7B

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Frequently asked
How much venture funding have companies in OAK BROOK raised?
Companies based in OAK BROOK have raised approximately $217.8M across 36 recorded financing rounds among 27 companies, aggregated from public sources.
Is startup funding in OAK BROOK growing?
OAK BROOK funding is currently cooling: capital raised over the last 12 months was down 100% versus the prior 12 months.
What sectors are most active in OAK BROOK?
The most active sectors in OAK BROOK by recorded financing are Other, Other Health Care, Telecommunications, Pharmaceuticals. See the sector mix table for company and round counts.
Which are the most-funded companies in OAK BROOK?
The most-funded OAK BROOK companies in our coverage include Grahm Partners, Llc, Millennium Pharmacy Services, Inc., Texas Healthcare Portfolio II DST, Inland Loan Fund, LLC, Wayne Ventures, Llc. See the ranked table for disclosed capital and modeled valuations.