About ACP Investment
ACP Investment is a private equity firm based in Palo Alto, CA. Since January 2011 it has filed Form D notices for eight funds and three related vehicles. The largest, ACP Investment Fund II-A, L.P., reported $489.5M raised from 11 investors.
Funds
ACP Investment has eight funds on file with the SEC, plus three feeder, opportunity or co-investment vehicles. The funds have reported $1.70B raised.
Funds (SEC Form D)
| Fund | First filed | Amount raised | Target | Investors |
|---|---|---|---|---|
| ACP Investment Fund IV, L.P.Other investment fund · 3(c)(1), 3(c)(7) · Form D ↗ | Apr 7, 2022 | None yet | Not set | — |
| ACP Private Investors III-A, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Mar 15, 2017 | $40,700,000 | Not set | 4 |
| ACP Private Investors III, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Dec 14, 2016 | $3,000,000 | Not set | 2 |
| ACP Investment Fund III-A, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Dec 14, 2016 | $488,781,448 | Not set | 16 |
| ACP Investment Fund III, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Dec 14, 2016 | $281,218,552 | Not set | 13 |
| ACP Investment Fund II-A, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Dec 23, 2013 | $489,535,354 | Not set | 11 |
| ACP Investment Fund II, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Dec 23, 2013 | $157,401,515 | Not set | 11 |
| ACP Investment Fund, L.P.Private equity fund · 3(c)(7) · Form D ↗ | Jan 28, 2011 | $248,000,000 | $248,000,000 | 14 |
Amounts and investor counts come from each fund's latest Form D or amendment; the dated lines under an amount show what earlier filings reported. "Not set" means the fund did not give a target. Form D does not report returns.
Feeder, opportunity and co-investment vehicles (3)
| Vehicle | Kind | First filed | Amount raised | Investors | Filing |
|---|---|---|---|---|---|
| ACP Vector Co-Invest I, L.P. | Co-investment vehicle | Nov 2, 2026 | — | — | Form D ↗ |
| ACP Vector Co-Invest II, L.P. | Co-investment vehicle | Nov 2, 2026 | — | — | Form D ↗ |
| ACP Annex Fund, L.P. | Co-investment vehicle | May 18, 2020 | — | — | Form D ↗ |
These vehicles usually hold a single investment or a small group of them. Their filings do not name the companies they hold.
Portfolio Companies
Companies where a ACP Investment partner sits on the board, according to the company's own Form D. A board seat usually comes with an investment, but Form D does not list investors.
| Company | Location | ACP Investment director | On the board | Latest raise |
|---|---|---|---|---|
| Lighthouse Pharmaceuticals, Inc. | Novato, CA | Casey Lynch | 2026 | $15.2M ↗Apr 2026 |
People
Partners and officers named on ACP Investment's fund filings.
Sources
- SECEvery Form D filing behind this page is linked in the tables above.