Funded Startups in Acton
Acton, Massachusetts is home to a tight cluster of funded startups, with hardware companies — Hub66, Abside Networks, and FluidForm — accounting for three…
Acton, Massachusetts is home to a tight cluster of funded startups, with hardware companies — Hub66, Abside Networks, and FluidForm — accounting for three of the six most recent rounds. Hub66 raised the largest disclosed amount at $9M in September 2024, followed by Bluejay Diagnostics ($4M, health care, April 2025) and Abside Networks ($1M, April 2024). VST Technologies, operating across manufacturing, energy, and automotive, closed the most recent event in this set — a private equity round in November 2025 — with terms undisclosed.
Round classification across these companies skews toward "Series Unknown," reflecting early-to-mid-stage capital where formal series labels are absent. ZenPrivata, a seed-stage privacy and security startup, raised an undisclosed round in February 2025, adding one of the few non-hardware entries alongside Bluejay Diagnostics and VST Technologies. Funding activity has been consistent from early 2022 through late 2025, with four of the six rounds closing between April 2024 and November 2025.
Most recent rounds
6 shownRelated listings
Frequently asked
What is the largest disclosed round among recently funded Acton startups?
Hub66 raised $9M in September 2024, making it the largest disclosed round in this set. Bluejay Diagnostics follows with $4M in April 2025, and Abside Networks raised $1M in April 2024. FluidForm's $100K venture round from January 2022 is the smallest disclosed amount shown.
Which sector dominates funding activity in Acton?
Hardware is the most represented sector, with Hub66, Abside Networks, and FluidForm each raising rounds between January 2022 and September 2024. Health care, privacy and security, and a combined manufacturing/energy/automotive profile each appear once in this data set.
What round types have Acton-based startups been raising?
Four of the six companies — Hub66, Abside Networks, Bluejay Diagnostics, and FluidForm — are classified under Series Unknown or Venture - Series Unknown. VST Technologies received private equity funding, and ZenPrivata is the sole seed-stage company in this set.
How much of the recent funding in Acton has undisclosed terms?
Two rounds are undisclosed: VST Technologies (private equity, November 2025) and ZenPrivata (seed, February 2025). The remaining four companies disclosed amounts totaling roughly $14.1M across hardware and health care rounds.
How recent is the funding activity shown for Acton?
The most recent round closed in November 2025 (VST Technologies). Four of the six rounds fall within an 18-month window between April 2024 and November 2025, suggesting active dealflow through late 2025. The oldest round in this set is FluidForm's $100K venture round from January 2022.
Are there any non-hardware startups that have raised meaningful rounds in Acton?
Bluejay Diagnostics (health care) raised $4M in April 2025, the second-largest disclosed amount in this set. VST Technologies (manufacturing, energy, automotive) closed a private equity round in November 2025 with undisclosed terms, representing the only non-Massachusetts-labeled Acton entry in the data.
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