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Pioneer Fund companies

Updated 23 Oct 2026

http://www.pioneerfund.vc

290
Startups
100
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166,525
All startups
100 rows
# Company City Stage Last round Date Total raised
1 Talus Bio Seattle Seed Seed 2026-09-21 $27.8M
2 Epsilon3 Los Angeles Series A Series A 2022-06-20 $18.8M
3 Flagright Santa Clara Series A Series A 2026-06-16 $20.1M
4 Kobalt Labs New York Series A Series A 2025-12-03 $11.0M
5 Avoca New York Series B Series B 2026-04-27 $125.5M
6 Canary Technologies San Francisco Series D+ Series D 2025-06-12 $177.0M
7 Ultra Brooklyn Series A Series A 2026-10-09 $62.0M
8 Biobot Analytics Cambridge Series A Series A 2025-06-06 $41.4M
9 Guide Labs San Francisco Seed Seed 2025-12-04 $9.8M
10 Alaan Dubai Series A Series A 2025-08-05 $55.0M
11 Saturn AI London Series A Series A 2025-10-22
12 Pump San Francisco Seed Seed 2024-04-05 $4.5M
13 Humand San Francisco Series A Series A 2026-02-23 $77.5M
14 Coval San Francisco Series A Series A 2026-06-24 $31.8M
15 Freshpaint San Francisco Series B Series B 2024-07-16 $46.9M
16 Kontigo San Francisco Seed Seed 2025-09-01 $20.1M
17 Gilgamesh Pharmaceuticals New York Series A Series A 2026-03-24 $142.6M
18 Rain AI Redwood City Series A Series A 2024-05-26 $40.2M
19 Dover San Francisco Series A Series A 2021-07-19 $22.8M
20 Datacurve San Francisco Series A Series A 2025-10-09 $18.2M
21 Every San Francisco Series A Series A 2024-09-05 $32.0M
22 Andromeda Surgical San Francisco Series A Series A 2026-08-04 $15.6M
23 dili New York Series A Series A 2026-07-30 $21.8M
24 Henry New City Series A Series A 2026-07-29 $21.3M
25 Cinder Technologies New York Series B Series B 2026-05-12 $55.0M
26 Persist AI Woodland Series A Series A 2025-03-19 $16.5M
27 Outset San Francisco Series B Series B 2025-12-10 $51.2M
28 Letter AI Chicago Series B Series B 2026-02-24 $55.0M
29 Lio San Francisco Series A Series A 2026-03-05 $30.0M
30 Phonely San Francisco Series A Series A 2026-04-15 $16.5M
31 Fleek San Francisco Series B Series B 2026-07-08 $46.0M
32 Torch San Francisco Seed Seed 2024-03-19 $87.8M
33 Risotto San Francisco Seed Seed 2026-01-27 $10.5M
34 Recall.ai San Francisco Series B Series B 2025-09-04 $50.7M
35 Clearest Health New York Seed Seed 2023-05-13 $2.8M
36 Vellum New York Series A Series A 2025-07-10 $25.5M
37 Landed San Francisco Seed Seed 2022-04-07 $8.4M
38 Depot Beaverton Series A Series A 2026-03-10 $15.9M
39 TigerEye San Francisco Series A Series A 2022-09-08 $35.0M
40 Kaedim London Series A Series A 2024-03-11
41 Pulppo Polanco Seed Seed 2023-01-09
42 Healia Health Columbus Series A Series A 2026-07-28 $14.5M
43 Weave Robotics San Francisco Pre-seed Pre-seed 2024-09-25 $500K
44 Credal.ai New York Series A Series A 2024-11-01 $10.3M
45 Miru San Francisco Seed Seed 2025-01-01 $500K
46 Cofactr Brooklyn Series A Series A 2024-12-12 $28.4M
47 Persephone Biosciences San Diego Seed Seed 2022-07-19 $15.1M
48 Capi Money Wilmington Series A Series A 2025-02-18 $18.0M
49 Atlas Fort Gratiot Seed Seed 2023-09-08 $7.2M
50 Unsloth AI San Francisco Seed Seed 2024-09-30 $540K
51 Knowtex San Francisco Seed Seed 2024-01-01 $125K
52 VectorShift San Francisco Seed Seed 2024-02-21 $3.0M
53 Ozone Boston Seed Seed 2023-11-08 $7.1M
54 Suger Daly City Series A Series A 2025-02-12 $18.5M
55 Pirros Los Angeles Series A Series A 2025-12-15 $17.1M
56 Zen San Francisco Seed Seed 2021-08-26 $3.5M
57 Axle Health Los Angeles Series A Series A 2025-05-22 $14.4M
58 Hamming AI San Francisco Seed Seed 2024-12-18 $4.3M
59 Open San Francisco Seed Seed 2026-01-20 $9.1M
60 ParcelBio San Francisco Seed Seed 2026-05-07 $13.5M
61 Argon AI New York Seed Seed 2025-07-02 $11.5M
62 Flower Labs Hamburg Series A Series A 2024-02-15 $23.6M
63 Infinity AI San Francisco Seed Seed 2024-04-03 $5.5M
64 Shogun Walnut Series C Series C 2021-06-30 $114.6M
65 Unify Dover Seed Seed 2024-05-22 $8.0M
66 Maroo New York Seed Seed 2023-04-01 $3.8M
67 AiSDR San Francisco Seed Seed 2026-04-22 $3.0M
68 Adagy Robotics New York Pre-seed Pre-seed 2024-04-03 $500K
69 Duplo Lagos Seed Seed 2023-01-01
70 Kopra Bio San Francisco Seed Seed 2026-06-16 $9.7M
71 Happenstance Seed Seed 2025-04-08 $500K
72 Seam San Francisco Seed Seed 2020-08-25 $125K
73 Yuma AI New York Seed Seed 2024-10-30 $9.3M
74 Validere Calgary Series B Series B 2022-03-15 $69.3M
75 Pelago New York Series C Series C 2024-03-28 $151.6M
76 Ubicloud San Francisco Seed Seed 2024-03-05 $16.0M
77 Aviato San Francisco Seed Seed 2024-07-30 $2.3M
78 Shiboleth New York Seed Seed 2025-02-28 $2.0M
79 Toolbox New York Seed Seed 2022-04-01 $8.3M
80 LifeAt Seattle Pre-seed Pre-seed 2023-01-30 $3.5M
81 Catena Biosciences Berkeley Seed Seed 2024-05-10 $8.1M
82 Omnistrate Redwood City Seed Seed 2023-04-28 $5.2M
83 CarbonChain London Series A Series A 2023-04-25
84 Berri AI San Francisco Seed Seed 2023-06-14 $500K
85 Bottomless Seattle Series A Series A 2021-01-01 $6.8M
86 Terra API London Seed Seed 2021-06-09
87 Tandem Space San Francisco Seed Seed 2025-02-03 $6.1M
88 Theseus San Francisco Seed Seed 2025-04-18 $4.8M
89 Defog San Francisco Seed Seed 2023-11-22 $2.7M
90 seer Palo Alto Seed Seed 2021-03-22 $2.4M
91 DeepNight San Francisco Series A Series A 2025-09-01 $6.0M
92 Circleback San Francisco Seed Seed 2024-11-26 $3.0M
93 Cartage Toronto Seed Seed 2024-10-10
94 Olio Labs California City Seed Seed 2025-03-19 $8.7M
95 Twenty (YC S23) San Francisco Seed Seed 2024-11-18 $5.0M
96 Artos San Francisco Pre-seed Pre-seed 2024-02-27 $500K
97 Powder Los Altos Seed Seed 2024-07-23 $5.5M
98 Brainbase San Francisco Pre-seed Pre-seed 2024-02-27 $500K
99 marblism San Francisco Seed Seed 2026-01-01 $500K
100 Yarn San Francisco Pre-seed Pre-seed 2024-03-01 $500K

Table 1. Pioneer Fund companies, by total raised. Source: FundingWatcher. Data as of 23 October 2026. Base: 290.

Sectors

Funding stages

Cities

Other accelerators

Cite: FundingWatcher, 290 startups, 23 October 2026. https://fundingwatcher.com/startups/accelerator/pioneer-fund/