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Fine Structure Ventures

1 Main Street, 13th Floor, Cambridge, MA, 02140, United States

Overview

Investment firm focused on venture capital.

Founded

2020

Deals · 12mo

7

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A
Series B

Geographic focus

Canada
Spain
United Kingdom
United States

Sector focus

—

Investment portfolio

32rounds
NAMEDATESIZE
iPronics
Sep 2026Participated
$125 MSeries B
BoolSi
Jun 2026Led
$6 MSeed
Sepion Technologies
Apr 2026Led
$10 MSeries B
pH7
Apr 2026Led
$49 MSeries B
Sepion Technologies
Mar 2026Led
$16 MSeries A
DG Matrix
Feb 2026Participated
$60 MSeries A
pH7
Dec 2025Led
$26 MSeries B
Nitricity
Sep 2025Participated
$50 MSeries B
Debut
Aug 2025Participated
$20 MOther Equity
Aalo Atomics
Aug 2025Participated
$100 MSeries B
Finwave Semiconductor
May 2025Led
$8 MOther Equity
VEIR
Jan 2025Participated
$75 MSeries B
iPronics
Sep 2026Participated
$125 MSeries B
BoolSi
Jun 2026Led
$6 MSeed
Sepion Technologies
Apr 2026Led
$10 MSeries B
pH7
Apr 2026Led
$49 MSeries B
Sepion Technologies
Mar 2026Led
$16 MSeries A
DG Matrix
Feb 2026Participated
$60 MSeries A
pH7
Dec 2025Led
$26 MSeries B
Nitricity
Sep 2025Participated
$50 MSeries B
Debut
Aug 2025Participated
$20 MOther Equity
Aalo Atomics
Aug 2025Participated
$100 MSeries B
Finwave Semiconductor
May 2025Led
$8 MOther Equity
VEIR
Jan 2025Participated
$75 MSeries B
32
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Deal Distribution

Fine Structure Ventures: 32 funding rounds are recorded in the selected participation categories.All available history.
Fine Structure Ventures: 32 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed34
Series A57
Series B34
Series C+13
Other Equity11

Monthly Deal Activity

Fine Structure Ventures: 32 deals are recorded across 65 months.All available history.
Fine Structure Ventures: 32 deals are recorded across 65 months. All available history
MonthDeals
Jun '211
Jul '210
Aug '212
Sep '210
Oct '210
Nov '211
Dec '211
Jan '221
Feb '221
Mar '220
Apr '220
May '221
Jun '220
Jul '221
Aug '220
Sep '221
Oct '221
Nov '220
Dec '220
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '230
Jul '231
Aug '231
Sep '231
Oct '231
Nov '230
Dec '230
Jan '240
Feb '240
Mar '240
Apr '240
May '240
Jun '241
Jul '242
Aug '240
Sep '241
Oct '240
Nov '240
Dec '240
Jan '252
Feb '250
Mar '250
Apr '250
May '251
Jun '250
Jul '250
Aug '252
Sep '251
Oct '250
Nov '250
Dec '251
Jan '260
Feb '261
Mar '261
Apr '262
May '260
Jun '261
Jul '260
Aug '260
Sep '261
Oct '260

Sector Breakdown

Fine Structure Ventures: Clean Energy & Sustainability is the largest displayed sector by deal count (17 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

Fine Structure Ventures: Clean Energy & Sustainability is the largest displayed sector by deal count (17 deals). All available history
SectorDeals
Clean Energy & Sustainability17
Space & Frontier Tech15
Manufacturing12
Health & Life Sciences5
Food & Agriculture4
Enterprise Software3
Consumer & Lifestyle3
Transportation & Logistics2
Professional Services2
Data, Analytics & IT1
Networks, Cloud & Communication1
Hardware & Robotics1
Crypto & Blockchain1
AI & Machine Learning1

Deal Size Distribution

Fine Structure Ventures: 32 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

Fine Structure Ventures: 32 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M1
$5M-$10M6
$10M-$25M12
$25M-$50M6
$50M-$100M4
$100M-$250M3
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Fine Structure Ventures: United States has the largest recorded deal count among the displayed regions (23 deals).All available history.

Top 4 of 4 regions; European countries are grouped as Europe.

Fine Structure Ventures: United States has the largest recorded deal count among the displayed regions (23 deals). All available history
RegionDeals
United States23
Europe5
Canada3
Australia1
Fine Structure Ventures: 20 co-investors are shown, with Engine Ventures sharing 4 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

Fine Structure Ventures: 20 co-investors are shown, with Engine Ventures sharing 4 recorded deals. All available history
Co-investorShared deals
Engine Ventures4
Gaingels4
MCJ Collective4
Build Collective3
Collaborative Fund3
Khosla Ventures3
Safar Partners3
The Engine3
11.2 Capital2
ACVC Partners2
Alumni Ventures2
Amadeus Capital Partners2
Backed2
BHP Ventures2
Breakthrough Energy Ventures2
Congruent Ventures2
Corazon Capital2
Energy Impact Partners2
Foundation Capital2
Galvanize Climate Solutions2

Investment Strategy

Fine Structure Ventures: Led accounts for 41% and participating for 59% of round participation.All available history.
Fine Structure Ventures: Led accounts for 41% and participating for 59% of round participation. All available history
CategoryDeals (count)Share (%)
Led1341%
Participating1959%
Fine Structure Ventures: Single-lead accounts for 85% and co-led for 15% of lead dynamics.All available history.
Fine Structure Ventures: Single-lead accounts for 85% and co-led for 15% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead1185%
Co-led215%

Team

Brett J. Rome

Venture Partner

Josué J. L

Senior Associate

Shyam Kamadolli

Managing Director