Funding round

Altos Labs Series B
Altos Labs, which works in cellular rejuvenation programming services in Redwood City, raised $800M in a Series B round announced on 1 Jan 2022, at a $3.29B post-money valuation. 2 firms took part.
$800M
Amount raised
$3.29B
Post-money valuation
2
Investors
no lead named
24%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Altos Labs at $3.29B after the new money. The $800M bought investors about 24% of the company. It is Altos Labs' first venture round on record, in the year it was founded (2022). No later venture round is on record for Altos Labs.
Altos Labs' funding rounds
This is the only venture round on record for Altos Labs.
- Series B this round 1 Jan 2022 $800M$3.29B post-money
Investors
Who put money in
2 firms took part; no lead investor was named.
Investors
- ARCH Venture Partners backs 99 venture-backed companies new investor
- Bezos Expedition new investor
Comparable rounds
How it compares
105 Series B rounds in Biotechnology within a year either side disclosed an amount; the median was $69M, and this round was 12 times the median. The closest in time, other companies' Series B rounds in Biotechnology:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Biotechnology | 5 Jan 2022 | $60M | not disclosed | Advantech Capital |
| Biotechnology | 16 Dec 2021 | $120M | not disclosed | Forbion |
| Biotechnology | 15 Dec 2021 | $103M | not disclosed | Viking Global |
| Biotechnology | 7 Feb 2022 | $101M | not disclosed | Ally Bridge Group and Avidity Partners |
| Biotechnology | 16 Dec 2021 | $98M | not disclosed | BlackRock |
| Biotechnology | 30 Dec 2021 | $60M | not disclosed | MSA Capital |
| Biotechnology | 1 Dec 2021 | $50M | not disclosed | Hongtai Aplus |
| Biotechnology | 15 Feb 2022 | $42M | not disclosed | Marshall Wace and Janus Henderson Investors |
Questions
Frequently asked
How much did Altos Labs raise in its Series B round?
Altos Labs raised $800M in its Series B round, announced in Jan 2022.
Which investors took part in Altos Labs' Series B round?
ARCH Venture Partners and Bezos Expedition.
What was Altos Labs' valuation at the Series B round?
$3.29B post-money.
How does it compare with other Series B rounds in Biotechnology?
105 Series B rounds in Biotechnology within a year either side disclosed an amount; the median was $69M, and this round was 12 times the median.