Portland Seed Fund is an early-stage venture capital firm based in Portland, Oregon, investing in capital-efficient startups across the Pacific Northwest. Founded in 2010, the firm has over $45 million under management across multiple funds and focuses on seed-stage investments across diverse sectors, with a current emphasis on deep tech and deep science.
They made 1 investment in the last 12 months. Their most common stage is seed (60% of deals). Average disclosed round size is $10.5M (across 46 rounds with reported amounts).
Portfolio
40
Fund Size
$45M
Top Stage
Seed
Last 12 Mo
1
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
50 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Panthalassa | Series B | $140M | May 2026 |
| Panthalassa | Series B | $140M | Jan 2026 |
 Archer | Unknown | — | Jun 2024 |
 Backpack Healthcare | Series A | $14M | May 2024 |
| YYoume Healthcare | Series A | $14M | May 2024 |
 Backpack | Series A | $17M | May 2024 |
| IInVivo Biosystems | Unknown | $3M | Jan 2024 |
 TrovaTrip | Series A | $15M | Sep 2022 |
 mpathic | Seed | $4M | Jun 2022 |
 Overwatch Imaging | Series A | $11.2M | Jan 2022 |
| Overwatch Imaging | Seed | — | Jan 2022 |
 Enduring Planet | Seed | $2M | Jan 2022 |
| TrovaTrip | Seed | $15M | Jan 2022 |
 Minnow | Seed | $3M | Apr 2021 |
| OOwl Insights | Seed | $15.5M | Sep 2020 |
| Minnow | Seed | $2.2M | Aug 2020 |
| SStormsensor | Seed | $2M | Jan 2020 |
 The Renewal Workshop | Series A | $5.5M | Dec 2019 |
| MMEGH Computing | Seed | $1.8M | Dec 2018 |
 Zembula | Seed | $2.9M | May 2018 |
 Nursegrid | Series B | $5.7M | Jan 2018 |
| LLeadMethod | Unknown | $1M | Dec 2017 |
| SSightbox | Seed | $1.8M | Jul 2017 |
| SSightbox | Unknown | $1.8M | Nov 2016 |
| OOwl Insights | Seed | $340K | Jan 2016 |
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Top Co-Investors
Oregon Venture Fund7 shared
Techstars6 shared
Long Way Ventures6 shared
Elevate Ventures4 shared
Seven Peaks Ventures4 shared
Y Combinator3 shared
Rethink Education3 shared
PACE Healthcare Capital3 shared
ECMC Group3 shared
L3Harris Technologies3 shared
Shield Capital3 shared
Gratitude Railroad3 shared
Threshold Ventures2 shared
Pioneer Square Labs2 shared
Madrona Venture Group2 shared
Unless2 shared
Lowercarbon Capital2 shared
Future Positive Capital2 shared
Sozo Ventures2 shared
Last updated: 7 October 2026