What does Brian Halligan invest in?
Brian Halligan invests most often at Seed and Series A (67% of the rounds on record).
Last cheque observed Apr 2015. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.
QuietAngel
3 rounds on record
Mostly Seed and Series A: 67% of its rounds
Every round we can evidence, newest first3 appearances
2 rounds
1 round
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
The investors most often in the same rounds as Brian Halligan. A count of rooms they were both in, not a relationship either has claimed.
One book written by people at Brian Halligan.

Inbound Marketing: Get Found Using Google, Social Media, and Blogs
Brian Halligan · 2009
3.87 from 3,974 ratings on Goodreads
Stop pushing your message out and start pulling your customers in Traditional "outbound" marketing methods like cold-calling, email blasts, advertising, and direct mail are increasingly less effective. People are getting better at blocking these interruptions out using Caller…
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6 episodes naming Brian Halligan in the title, and 4 more that mention it.

20VC: How Model Performance is Plateauing | Two Key Rules for Effective Deal-Making | Company Building Lessons from Keith Rabois, Brian Halligan and Pat Grady | Why Enterprise AI Adoption is Years Off with Harvey CEO Winston Weinberg
WithPat Grady

Rage Baiting is for Losers, Everett Randle’s 5x Controversy | Jordan Nanos, Brian Halligan, Dr. Fei-Fei Li, Scott Sanders, Jeremy Allaire, Vladimir Novakovski, Andrew D'Souza, Parag Agrawal
WithAndrew D'SouzaEverett RandleJeremy Allaire
MentionsBrian HalliganFei-Fei LiGoogle+2

SaaStr 784: What Really Works When Hiring VPs and Executive Teams with HubSpot Co-Founder and Chairman Brian Halligan and SaaStr CEO and Founder Jason Lemkin
MentionsBrian Halligan

SaaStr 783: HubSpot Co-Founder and Chairman Brian Halligan on SaaS Markets and AI (Part 1)
MentionsBrian Halligan

20VC: Hubspot Co-Founder Brian Halligan on Leadership Lessons Scaling Hubspot to a $28BN Market Cap | The Best Series A Investment in Venture History & What Makes Sequoia so Successful?

HubSpot ft. Brian Halligan & Dharmesh Shah - How an underdog helped invent modern marketing, and then took on Goliath
MentionsBrian HalliganDannie Herzberg

The most politically dangerous role in the C-suite | Katie Burke (COO, Harvey)

Ben Horowitz On What Makes a Great Founder

20VC: Figma's 250% Pop - The Greatest IPO Mispricing Ever | Meta and Microsoft Blowout Quarters: Broken Down | Cognition Raises at $15BN and Ramp at $22BN | CRV Downsizing and What It Means for LPs and GPs

HubSpot CEO on the Future of SaaS, AI, & Leading Through Change
Brian Halligan invests most often at Seed and Series A (67% of the rounds on record).
3 investments on record, 0 of them in the last 12 months. The most recent was in Apr 2015.
The median round it joins is $1.5M.
No investments in the last 12 months; the latest was in Apr 2015.
Most often HubSpot Ventures (3 rounds together).
Brian Halligan is an angel.
From public registers and its own website, checked and rebuilt every night.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it