# Aaron Katz at Parabellum Capital

> Aaron Katz, Co-Founder & CEO at Parabellum Capital. The rounds they were named in and the filings that name them, each with its source.

Source: https://millionrounds.com/person/aaron-katz (Millionrounds; every figure on the page links to its filing or article)

Portola Valley, US · Angel

# Aaron Katz

Co-Founder & CEO at [Parabellum](https://millionrounds.com/fund/parabellum)

Profile summary

- **Rounds named:** - none observed
- **Filings:** 17 with regulators
- **Podcasts:** 3 episodes

What this record rests on

- **Named in rounds** No round names them yet
- ✓ **On filings** 17 filings with a regulator
- ✓ **Linked to a firm** At Parabellum
- **Claimed** Not claimed yet

Titles come from filings their firm signed.

[Correct or remove](https://millionrounds.com/corrections?person=aaron-katz)[Is this you? Claim it](https://millionrounds.com/claim?person=aaron-katz)

## The firm

[**Parabellum** Company · BR **0** cheques in 12 months **0** all time **0** led unknown](https://millionrounds.com/fund/parabellum)

## Companies they are listed as backing

Portfolio

- Elastic
- Twelve Labs

## Where they are named on record

Filings

- SEC Form D · Other investment fund **PTE Partners IV, LLC** Executive Officer since 2026
- SEC Form D · Other investment fund **Parabellum Partners IV Leveraged Return, LLC** Executive Officer since 2026
- SEC Form D · Other investment fund **DWDK IV LLC** Executive Officer since 2026
- SEC Form D · Company raising **MOMENTUM DEERBROOK LLC** Executive Officer, Promoter since 2021
- SEC Form D · Company raising **RUSTON LLC** Executive Officer, Promoter since 2021
- SEC Form D · Company raising **Associated Insurance Brokers, Inc.** Director on 2 filings · since 2021
- SEC Form D · Company raising **JORDAN KATZ AVALON LLC** Executive Officer, Promoter since 2020
- SEC Form D · Other investment fund **PB MDL LP** Executive Officer since 2019
- SEC Form D · Company raising **NORTHAVEN TERRACE LLC** Executive Officer, Promoter since 2019
- SEC Form D · Company raising **KATZ PARK RIDGE LLC** Executive Officer, Promoter since 2018
- SEC Form D · Company raising **812 COOPER LLC** Executive Officer, Promoter since 2018
- SEC Form D · Company raising **KATZ LA JOLLA TERRACE LLC** Executive Officer since 2016
- SEC Form D · Company raising **KATZ ROCK ISLAND LLC** Executive Officer since 2015
- SEC Form D · Company raising **KATZ FAIRMEADOWS LLC** Executive Officer since 2015
- SEC Form D · Other investment fund **[Parabellum](https://millionrounds.com/fund/parabellum)** Executive Officer on 11 filings · since 2015
- SEC Form D · Company raising **exacly inc.** Director on 4 filings · since 2014
- SEC Form D · Company raising **eXacly, Inc.** Director since 2013

Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date.

## Hear them before you pitch them

- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 31 Aug 2026 · 1h 4m 20VC: The AI Bubble Is Wrong | AI Margins Need to Improve | Revenue Concentration Should be a Concern | Why People Over-Estimate Open Models But Enterprises Still Fear Frontier Models with Aaron Katz, ClickHouse With [Aaron Katz](https://millionrounds.com/person/aaron-katz) Mentions [Coatue](https://millionrounds.com/fund/coatue-management)[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures)[Marc Benioff](https://millionrounds.com/fund/marc-benioff) About this episode Aaron Katz is the Co-Founder and CEO of ClickHouse, the real-time analytics database powering companies including OpenAI, Anthropic, Tesla and Microsoft. ClickHouse just surpassed $350M in ARR and raised over $1B from investors including Dragoneer, Khosla Ventures, Coatue, 20VC and Benchmark.… More on the show's page Listen on Apple PodcastsThe show's page
- [TBPN](https://millionrounds.com/podcasts/tbpn) · 20 Jan 2026 · 3h 27m Davos Reactions, Waymo’s Safety Case, Czinger 21C Hypercar Tour | Martin Shkreli, Bradley Tusk, Lukas Czinger, Andy McCune, Michael Broukhim, Aaron Katz With [Aaron Katz](https://millionrounds.com/person/aaron-katz)[Bradley Tusk](https://millionrounds.com/person/bradley-tusk)[Martin Shkreli](https://millionrounds.com/person/martin-shkreli) Mentions [Michael Broukhim](https://millionrounds.com/fund/michael-broukhim) About this episode Sign up for TBPN’s daily newsletter at TBPN.com (03:15) - Davos Reactions (25:17) - Waymo Safety (39:51) - Netflix's All-Cash Warner Deal (47:58) - OpenAI & ServiceNow Partner (52:31) - SAAS Sales in Japan (57:30) - Martin Shkreli, an American investor and former pharmaceutical… More on the show's page Listen on Apple PodcastsThe show's page
- [Growth Investor](https://millionrounds.com/podcasts/growth-investor) · 1 Nov 2023 · 22 min A 1000x Faster Database Solution: ClickHouse’s Aaron Katz With [Aaron Katz](https://millionrounds.com/person/aaron-katz) About this episode In this episode, we speak with Aaron Katz, Co-Founder and CEO of ClickHouse. ClickHouse is an open-source database management system which allows users to generate analytical reports using SQL queries in real-time. Its technology works 100-1000x faster than traditional database management systems,… More on the show's page Listen on Apple PodcastsThe show's page

Episodes of [the shows we follow](https://millionrounds.com/podcasts), matched by name. Not them? [Tell us](https://millionrounds.com/corrections?person=aaron-katz).

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