About M13 So
M13 So is a venture capital firm based in Los Angeles, CA. Since November 2018 it has filed Form D notices for 12 funds and two related vehicles. The largest, M13 Ventures III, L.P., reported $341.2M raised from 271 investors.
Funds
M13 So has 12 funds on file with the SEC, plus two feeder, opportunity or co-investment vehicles. The funds have reported $540.3M raised.
Funds (SEC Form D)
| Fund | First filed | Amount raised | Target | Investors |
|---|---|---|---|---|
| M13 So Xii, LLCVenture capital fund · 3(c)(1) · Form D ↗ | Sep 18, 2026 | None yet | Not set | — |
| M13 Ventures V, L.P.Venture capital fund · 3(c)(7) · Form D ↗ | Jul 29, 2026 | None yet | $400,000,000 | — |
| M13 So IX LLCVenture capital fund · 3(c)(7) · Form D ↗ | Jun 12, 2024 | None yet | $679,000 | — |
| M13 Ventures IV, L.P.Venture capital fund · 3(c)(7) · Form D ↗ | Jun 29, 2023 | None yet | $400,000,000 | — |
| M13 So VIII LLCVenture capital fund · 3(c)(7) · Form D/A ↗ | Jun 23, 2023 | $8,035,000Jun 2023: $4.6M Oct 2023: $8.0M | $8,035,000 | 9 |
| M13 So I LLCVenture capital fund · 3(c)(1), 3(c)(7) · Form D ↗ | Mar 31, 2022 | $6,500,000 | $6,500,000 | 17 |
| M13 So VII LLCVenture capital fund · 3(c)(1), 3(c)(7) · Form D ↗ | Aug 27, 2021 | $5,379,355 | $5,379,355 | 21 |
| M13 So XI LLCVenture capital fund · 3(c)(1), 3(c)(7) · Form D ↗ | Jun 10, 2021 | $3,309,622 | $3,309,622 | 15 |
| M13 Ventures III, L.P.Venture capital fund · 3(c)(7) · Form D/A ↗ | Feb 11, 2021 | $341,275,000Feb 2021: $275.0M Mar 2022: $341.2M | $400,000,000 | 271 |
| M13 So V, LLCVenture capital fund · 3(c)(7) · Form D ↗ | Feb 4, 2020 | $4,515,000 | $4,515,000 | 18 |
| M13 So Iv, LLCVenture capital fund · 3(c)(1) · Form D ↗ | Oct 9, 2019 | $3,000,000 | $3,000,000 | 4 |
| M13 Ventures II, L.P.Venture capital fund · 3(c)(7) · Form D ↗ · 2 offerings | Nov 8, 2018 | $168,367,500Nov 2018: $168.3M Nov 2019: $0 of $25.0M | $193,367,500 | 217 |
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 (2)
| Vehicle | Kind | First filed | Amount raised | Investors | Filing |
|---|---|---|---|---|---|
| M13 SO XII Feeder, LLC | Feeder or parallel fund | Sep 18, 2026 | — | — | Form D ↗ |
| M13 So X LLC | Co-investment vehicle | Jul 23, 2024 | — | — | 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 M13 So 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 | M13 So director | On the board | Latest raise |
|---|---|---|---|---|
| Roger Labs, Inc. | Berkeley, CA | Karl Alomar | 2026 | $23.7M ↗Jul 2026 |
| A2 Labs, Inc. | Wilmington, DE | Karl Alomar | 2025 | $8.5M ↗Dec 2024 |
| Arenaclub.com, Inc. | Los Angeles, CA | Courtney Reum | 2025 | $6.4M ↗Jan 2025 |
| Ex Quanta Inc. | Wheat Ridge, CO | Karl Alomar | 2024 | $8.8M ↗Jul 2024 |
| Pietra Inc. | New York, NY | Carter Reum | 2023 | $16.0M ↗Mar 2023 |
People
Partners and officers named on M13 So's fund filings.
Sources
- SECEvery Form D filing behind this page is linked in the tables above.