# Patrick O'Shaughnessy: investor profile > Patrick O'Shaughnessy, Chief Executive Officer at Brightstone Venture Capital. The rounds they were named in and the filings that name them, each with its... Source: https://millionrounds.com/person/patrick-o-shaughnessy (Millionrounds; every figure on the page links to its filing or article) Greenwich, US · Partner # Patrick O'Shaughnessy Chief Executive Officer i at [Positive Sum](https://millionrounds.com/fund/positive-sum) Profile summary - **Rounds named:** - none observed - **Filings:** 3 with regulators - **Podcasts:** 2 +5 mentions What this record rests on - **Named in rounds** No round names them yet - ✓ **On filings** 3 filings with a regulator - ✓ **Linked to a firm** At Positive Sum - **Claimed** Not claimed yet Titles come from filings their firm signed. [Correct or remove](https://millionrounds.com/corrections?person=patrick-o-shaughnessy)[Is this you? Claim it](https://millionrounds.com/claim?person=patrick-o-shaughnessy) ## The firm [**Positive Sum** Private equity · US **5** cheques in 12 months **7** all time **1** led deploying](https://millionrounds.com/fund/positive-sum) ## Where they are named on record Filings - SEC Form D · Venture Capital fund **[Positive Sum](https://millionrounds.com/fund/positive-sum)** CEO and Partner of Manager of the General Partner of the Issuer since 2026 - SEC Form D · Venture Capital fund **[Positive Sum](https://millionrounds.com/fund/positive-sum)** CEO and Partner of Manager of General Partner of the Issuer since 2026 - SEC Form D · Company raising **StemoniX, Inc.** Director on 7 filings · since 2017 Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date. ## Also at Positive Sum - [**Alison Davis** President and Partner *0 rounds*](https://millionrounds.com/person/alison-davis-2) - [**Gabriela Marques** Creative Director *0 rounds*](https://millionrounds.com/person/gabriela-marques) - [**Robert Parker** Chief Business Officer *0 rounds*](https://millionrounds.com/person/robert-parker) - [**Sam Cates** Venture Partner *0 rounds*](https://millionrounds.com/person/sam-cates) ## Hear them before you pitch them - [Capital Allocators](https://millionrounds.com/podcasts/capital-allocators) · 22 Mar 2021 · 54 min Ted with Patrick O'Shaughnessy – Lessons from the World's Elite Money Managers (Capital Allocators, EP.184) With [Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) Mentions [Google](https://millionrounds.com/fund/google-assistant-investments) About this episode My new book – Capital Allocators: How the world's elite money managers lead and invest – releases tomorrow. I've been on a bit of a podcast tour the last few weeks, appearing on some of my favorite shows. I thought it would be fun to share an interview about the book here, so I asked Patrick… More on the show's page Listen on Apple PodcastsThe show's page - [Capital Allocators](https://millionrounds.com/podcasts/capital-allocators) · 10 Jun 2019 · 1h 14m Patrick O'Shaughnessy – O'Shaughnessy Asset Management (First Meeting, EP.01) With [Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) About this episode Patrick O'Shaughnessy is the CEO of O'Shaughnessy Asset Management, the host of the Invest Like the Best podcast, and a great friend. Patrick's podcast and widely read monthly mailing list of books, available at investorfieldguide.com, have made him a celebrity of sorts in the investing world.… More on the show's page Listen on Apple PodcastsThe show's page ### Mentioned in Episodes that name Patrick O'Shaughnessy in their description, which is not the same as being on them. - [Acquired](https://millionrounds.com/podcasts/acquired) · 20 Jun 2022 · 57 min The Playbook: Lessons from 200+ Company Stories Mentions [The New York Times](https://millionrounds.com/fund/the-new-york-times)[Brent Beshore](https://millionrounds.com/person/brent-beshore)[Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) About this episode When Patrick O'Shaughnessy and Brent Beshore asked us to give a talk at their incredible Capital Camp conference, we knew we had to bring something special. So we spent months combing through the Acquired back catalog and cataloged our 12 favorite lessons from the 200+ stories we’ve told over the… More on the show's page Listen on Apple PodcastsThe show's page - [Acquired](https://millionrounds.com/podcasts/acquired) · 5 Oct 2021 · 1h 17m Michael Mauboussin Master Class, Moats, Skill, Luck, Decision Making and a Whole Lot More Mentions [Google](https://millionrounds.com/fund/google-assistant-investments)[Brent Beshore](https://millionrounds.com/person/brent-beshore)[Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) About this episode We sit down with the one & only Michael Mauboussin to dive deep into his incredible body of work: untangling skill and luck, measuring moats, persistence of returns in venture capital, decision making and, particularly timely, expectations investing and how to think about valuations in the… More on the show's page Listen on Apple PodcastsThe show's page - [Acquired](https://millionrounds.com/podcasts/acquired) · 7 Oct 2020 · 1h 42m Special: Invest Like the Best on Acquired Mentions [Chetan Puttagunta](https://millionrounds.com/person/chetan-puttagunta)[Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) About this episode On this special episode of Acquired, we're joined by a master interviewer himself, Patrick O'Shaughnessy from Invest Like the Best. We turn the tables and cover the most fascinating story he's never told on ILTB... his own! What is O’Shaughnessy Asset Management, and how are they bringing… More on the show's page Listen on Apple PodcastsThe show's page - [Capital Allocators](https://millionrounds.com/podcasts/capital-allocators) · 27 Apr 2020 · 1h 13m [REPLAY] Michael Mervosh – Invest in Yourself (Capital Allocators, EP.68) Mentions [Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) About this episode Both times I was interviewed (by Khe Hy and Patrick O'Shaughnessy) and shared those conversations on Capital Allocators, I made reference to a special experience I've participated in for the last five years called the Hero's Journey. The weeklong journey in the mountains of West Virginia… More on the show's page Listen on Apple PodcastsThe show's page - [Capital Allocators](https://millionrounds.com/podcasts/capital-allocators) · 29 Apr 2019 · 1h 13m REPLAY - Michael Mervosh – Invest in Yourself (Capital Allocators, EP.68) Mentions [Patrick O'Shaughnessy](https://millionrounds.com/person/patrick-o-shaughnessy) About this episode Both times I was interviewed (by Khe Hy and Patrick O'Shaughnessy) and shared those conversations on Capital Allocators, I made reference to a special experience I've participated in for the last five years called the Hero's Journey. The weeklong journey in the mountains of West Virginia… 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=patrick-o-shaughnessy). ## Find people like Patrick Filter every partner and angel by firm, kind, market and whether we watched them invest. Free with an account. Search people[How we know what we know](https://millionrounds.com/methodology)