Alpha Partners
Alpha Partners is an SEC-registered investment adviser based in New York, NY. It reports advising 28 venture funds, with $597M in gross private fund assets as of its Form ADV filed Mar 31, 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
- Sean O'BrienChief Financial Officer of Alpha Partners Management LLC, manager of IssuerLast named Mar 26, 2026
- Stephen BrotmanManager of Alpha Partners Management LLC, manager of IssuerLast named Mar 26, 2026
- Stephen B. BrotmanLast named May 20, 2021
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 |
|---|---|---|---|---|
| Alpha Excel Associates LLC - Series I | 2026 | $4.9M | $4.9M | Mar 26, 2026 |
| KI Opportunities LLC - Series I | 2025 | $12M | Indefinite | Dec 9, 2025 |
| Alpha Annex Telemed Fund, LLC - Series II | — | $3.9M | Indefinite | Dec 3, 2025 |
| Alpha Annex Citrus Fund, LLC - Series III | — | $5.4M | Indefinite | Dec 3, 2025 |
| Alpha Annex Telemed Fund, LLC - Series III | — | $5.7M | Indefinite | Dec 3, 2025 |
| Alpha Annex Citrus Fund, LLC - Series II | — | $540K | Indefinite | Dec 3, 2025 |
| Silvertech Ventures IV LLC - Series I | 2022 | $3.7M | Indefinite | Nov 26, 2025 |
| Interlock Alpha Associates LLC | 2021 | $12M | Indefinite | Nov 26, 2025 |
| Alpha Sentinel Associates LLC | 2023 | $13M | Indefinite | Nov 26, 2025 |
| Capital Factory Alpha Associates LLC - Series V | 2025 | — | $5M | Oct 22, 2025 |
| Alpha Pathfinder Associates LLC - Series I | 2025 | $7.8M | Indefinite | Sep 19, 2025 |
| Alpha Zinc Associates LLC | 2023 | $10M | $11M | Aug 28, 2025 |
| Alpha Partners Global Fund, LP | 2025 | — | $100M | Aug 12, 2025 |
| Alpha Partners Fund III, LP | 2020 | $32M | Indefinite | May 20, 2021 |
| Alpha Partners Fund III-A, LP | 2020 | $52M | Indefinite | May 20, 2021 |
Funds are matched to this firm by the manager named on their filings or by name. If a fund here is not theirs, tell us below.
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