vcvibes

Sinewave Ventures, LLC

SEC exempt reporting adviser (private fund adviser exemption, under $150M).

HQ
VA

Sinewave Ventures, LLC makes early-stage investments in commercial tech with applications for enterprises and the public sector. Partner Mary Reding has over 20 years of experience in government acquisitions, venture capital, and corporate leadership, and Partner Howard Levenson has over 30 years in big data, high-performance computing, and information technology. Pat Muoio served as a Partner in Funds II and III. Portfolio companies include Arize, Metronome, Anjuna, CodeRabbit, CoreStory, Dymium, Invary, and Stacklet.

01 · Says / Does

TagSaysDoesHistorically (to 2020)
StagesNot statedNot enough dated dealsSeries B, Growth, Seed, Series A
SectorsCybersecurity, Data analyticsNot enough dated dealsHardware, Cybersecurity, Enterprise SaaS, AI applications, Data analytics, Devtools
RegionsUSNot enough dated dealsCA, MA, NY

Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.

Historical focus (through 2020), derived from historical deal data.

YearDealsTop sectors
20153Hardware, AI applications, Cybersecurity
20163Data analytics, Devtools, Enterprise SaaS
20172Hardware, Cybersecurity
20183AI applications, Enterprise SaaS, Data analytics
20196Cybersecurity, Devtools, Hardware
20201AI applications, Govtech

Stage mix over time

2015 Series B: 2152016 Seed: 12016 Series A: 12016 Growth: 1162017 Series B: 12017 Growth: 1172018 Series A: 22018 Series B: 1182019 Seed: 22019 Series B: 22019 Growth: 2192020 Growth: 120212223242526
  • Pre-seed
  • Seed
  • Series A
  • Series B
  • Growth
Share of rounds by stage, per year. Striped years have fewer than 3 rounds.Historical focus (through 2020), derived from historical deal data.
Rounds by stage and year
YearPre-seedSeedSeries ASeries BGrowth
201500020
201601101
201700011
201800210
201902022
202000001
202100000
202200000
202300000
202400000
202500000
202600000

02 · Fund history

FundYearSizeStatus
SineWave Ventures Direct 4B, L.P.

SineWave Ventures is an early-stage venture capital firm making investments in commercial technology with applications for enterprises and the public sector. It focuses on digital transformation across computing, networking, cybersecurity, and data and analytics, aiming to accelerate technologies across the Fortune 500 and public sector. Inferred from the firm's website

2024$6.13M (Form D)Open, writing first checks
SINEWAVE VENTURES FUND III, L.P

SineWave Ventures is an early-stage venture capital firm making investments in commercial technology with applications for enterprises and the public sector. It focuses on digital transformation across computing, networking, cybersecurity, and data and analytics, aiming to accelerate technologies across the Fortune 500 and public sector. Inferred from the firm's website

2022$160.34M (Form D)Late investment period
SineWave Ventures Direct 2A, L.P.2021$8M (Form D)Follow-ons only
SineWave Ventures Direct 3B, L.P.2020$5.02M (Form D)Follow-ons only

03 · People across funds

04 · Recent deals

No dated deals found yet.

05 · Latest from the firm

No news from the firm's website yet.

06 · Sources

  1. HTTP://WWW.SINEWAVE.VC
  2. https://sinewave.vc/contact/
  3. https://sinewave.vc/portfolio/
  4. https://sinewave.vc/news-insights/
  5. https://sinewave.vc/team/
  6. https://sinewave.vc/

Fund dates and sizes are from SEC Form D filings.

Last verified: Oct 28, 2026