What does MaRS Investment Accelerator Fund invest in?
MaRS Investment Accelerator Fund invests most often at Seed and Venture (78% of the rounds on record), in sectors such as Biomarker, Bioimaging and Med Device.

Canada · Investor
Last cheque observed Oct 2026; 141 cheques on record.
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7 cheques in the last 12 months
Mostly Seed and Venture: 78% of its rounds
Sole investor in 59 rounds, median $500K
11 exits from the portfolio
We’re MaRS IAF, one of Canada’s most active early-stage investors.From their own website
Every round we can evidence, newest first141 appearances
6 rounds
5 rounds
7 rounds
4 rounds
3 rounds
6 rounds
1 round
3 rounds
4 rounds
4 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
We hold 9 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
Companies it backed that were later bought or listed11 in all
An exit counts when it came after the firm's first round in the company. From historical deal records.
The investors most often in the same rounds as MaRS Investment Accelerator Fund. A count of rooms they were both in, not a relationship either has claimed.
The latest companies MaRS Investment Accelerator Fund put money into.
MaRS Investment Accelerator Fund invests most often at Seed and Venture (78% of the rounds on record), in sectors such as Biomarker, Bioimaging and Med Device.
141 investments on record, 7 of them in the last 12 months, and it led 1. The most recent was in Oct 2026.
Its most recent investments on record: Sprout Family (Seed, Oct 2026), Daedal Systems (Seed, Sept 2026) and Thri5 (Seed, Sept 2026).
The median round it joins is $2.5M.
Sometimes: it led 1 of its 141 investments on record (1%).
Most of the companies it backs are in Canada (97%).
Yes: it is actively investing, with 7 investments in the last 12 months.
Most often BDC Capital (13 rounds together), Accel (7 rounds together) and Ontario Centres of Excellence (6 rounds together).
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it