Positive Sum
Positive Sum is an investment adviser that reports to the SEC as exempt based in Greenwich, CT. It reports advising 5 venture funds, with $820M in gross private fund assets as of its Form ADV filed Mar 27, 2026.
Focus
Not known yet. The SEC does not ask a firm what stages or sectors it invests in. Once the firm claims this profile, or rounds it invested in are recorded, it will show here with its source.
Portfolio
No rounds recorded yet. A round appears here when a press release, news report or the company names this firm as an investor, with a link to that source.
People
- Patrick O'ShaughnessyCEO and Partner of Manager of the General Partner of the IssuerLast named Aug 14, 2026
- Robert ParkerChief Operating Officer of the Manager of the IssuerLast named Mar 24, 2026
- Patrick W O'ShaughnessyChief executive officer of general partner.Last named Dec 12, 2024
A fund's Form D names the executive officers and directors of its general partner when it is filed. People stay listed with the date they were last named; someone who has left may still appear until a newer filing or a correction says so.
Funds
| Fund | Formed | Raised | Target | Last filed |
|---|---|---|---|---|
| Positive Sum Conviction Fund, LP | 2026 | — | $100M | Aug 14, 2026 |
| Positive Sum Capital IV, LP | 2026 | — | $400M | Aug 12, 2026 |
| Positive Sum SR Holdings, LLC | 2025 | $5.3M | $5.3M | Mar 24, 2026 |
| Positive Sum EAI Holdings, LLC | 2025 | $43M | $43M | Mar 13, 2026 |
| Positive Sum Capital III, L.P. | 2024 | $185M | $400M | Dec 12, 2024 |
| Positive Sum Capital II - QP, L.P. | 2022 | $119M | $300M | May 23, 2022 |
| Positive Sum Capital II - AA, L.P. | 2022 | $8.5M | $100M | May 23, 2022 |
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