Companies · Biotech

Nautilus Biotechnology, Inc.

San Carlos · Biotech · refined from filed group “Other

Diligence memoA one-page analyst read on Nautilus Biotechnology, Inc. — recommendation, valuation, rhythm, risks.
$303.3M
Total raised · real
3
Rounds
4.0×
Latest step-up
Top 1%
Sector rank · raised
Series D+
Latest stage · inferred · Wed Jun 09 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

Nautilus Biotechnology, Inc. has raised $303M over 3 rounds; too few niche peers to rank its valuation yet.

Synthesized from the figures below est. — every claim rests on a number shown on this page. Valuation uses the biotech sector profile.

Analyst read est. — computed against this company's niche peers in the same era. Inputs shown; not a quoted figure.

Dormant
  • Last raise 5.1 yr ago; this sector typically re-raises about every 11 months.
  • Silent for over 3× the sector's normal cadence.
Leadership

No named principal in this company's public records yet — see all operators below.

Explore how these operators interlock with other companies in the operator network.

Where it sits in Biotech

Nautilus Biotechnology, Inc. is one of 233 Biotech companies tracked from San Carlos. By capital raised it ranks among the largest (ahead of 100% of sector peers), and among the largest by modeled valuation est..

Ranking is computed against this company's own sector cohort — reported capital is fact; valuation tiers are modeled.

biotech

As reported in public records reported — not modeled.

US
Jurisdiction
Rule 506(b)
Reg D exemption
38
Investors (latest)
2016
Year incorporated
2021-06-09
First sale
Amount raised vs valuation, by round

Solid bars are reported offering amounts reported; hatched bars are the modeled post-money valuation est. — both on one shared scale so you can read raise-vs-worth at each round directly. Use the toggles to overlay data labels and the niche-peer / market average value lines.

Amount raised · realModeled valuation · estCumulative funded · real
$0$2.5B$5.0B$7.5B$10.0BSeries B · 2018-05-18 Raised $27M (real) Modeled valuation $1.1B (est)$27M$1.1BSeries B2018Series C · 2020-04-08 Raised $76M (real) Modeled valuation $3.1B (est)$76M$3.1BSeries C2020Series C · 2020-04-08 Raised $50M (real) Modeled valuation $2.1B (est)$50M$2.1BSeries C2020Series D+ · 2021-06-09 Raised $200M (real) Modeled valuation $6.0B (est)$200M$6.0BSeries D+2021+$76M+$50M+$200MCumulative $354M

The line shows cumulative reported funding over the period; + labels show new capital added between points when there is room. Toggle on-bar figures, plus the niche-peer and market averages, to read this company against its cohort. Benchmarks are modeled medians.

Financing ladder & sequence gaps
Series B$27.2M · 2018
Series C$76.1M · 2020
Series C extension$50.4M · 2020
Series D+$200.0M · 2021

Stages are modeled from round size (public records carry no series label). No record for: Pre-Seed, Seed, Series A — the company may have raised it under a different exemption, merged it into an adjacent record, or skipped it. Sequence completeness: 50%.

Modeled valuation trajectory
$6.0B
Base estimate est.
$906.7M
Conservative case
$11.9B
Upside case
$1.7B
Modeled post-money

Round size and date are reported; the stage label is inferred from round size (latest is Series D+a $100M–$400M round). Valuation is modeled from stage benchmarks scaled by the biotech sector profile. Directional, not a quoted figure.

Series B · modeled $1.1B · 2018-05-182018Series C · modeled $3.1B · 2020-04-08Series C · modeled $2.1B · 2020-04-08Series D+ · modeled $6.0B · 2021-06-092021
Model inputs · modeled:benchmark-stage-stepup-v1
12%
Dilution assumption
Implied ownership sold in the financing.
68%
Survival probability
54% low · 75% high
1.39×/yr
Annual markup
1.56×/yr upside case
5.1 yr
Elapsed time used
5.1 yr actual, capped for stale marks
biotech
Sector profile
Adjusts growth and survival by industry.
Financing rhythm
12 mo
Avg between rounds
$99.1M/yr
Capital velocity
8.1 yr
On record since
2018
First round
4
Rounds on file
How it compares to the market

Benchmarked against 233 companies in Biotech. Each bar is a median (the middle company, not an average — outliers don't skew it). Two yardsticks: real money raised (reported on Form D) and modeled value (our estimate est.). These are whole-sector medians across all stages, except the per-stage row.

Total raised — vs sector median (real $, all stages) 39× above median
This company$303.3M
Sector median$7.8M
Latest round — vs other Series D+ rounds in sector (real $, this stage) 1.0× above median
This company$200.0M
Sector median$200.0M
Modeled value — vs sector median (estimate, all stages) 108× above median
This company$6.0B
Sector median$56.2M

Raised more than 100% of sector peers (real $). Modeled value above 100% of peers (estimate).

Full financing history

Stage is inferred from round size est., not reported on the filing — a round's dollar size maps to a bucket: Pre-Seed <$1.0M · Seed $1.0M–$4.0M · Series A $4.0M–$15M · Series B $15M–$40M · Series C $40M–$100M · Series D+ $100M–$400M · Growth/Late >$400M.

StageAmount · realAnnouncedPost-money · estValue · estConf.
Series B$27.2M2018-05-18$151.1M$1.1B90%
Series C$76.1M2020-04-08$507.1M$3.1B90%
Series C$50.4M2020-04-08$336.1M$2.1B90%
Series D+$200.0M2021-06-09$1.7B$6.0B90%
What happened at each round

Step-up, pace versus the sector's normal cadence, and revenue/exemption moves — read straight from the reported round facts reported.

  1. Series B$27.2M2018-05-18
    • First recorded raise — entered as Series B.
    • 11 investors on this round.
  2. Series C$76.1M2020-04-08
    • Raised again after 23 mo — slower than the ~11 mo sector norm.
    • Round 2.8× larger than the prior — scaling up.
    • 19 investors on this round.
  3. Series C$50.4M2020-04-08
    • Filed alongside the prior round (same month) — likely a tranche or amendment.
    • Round 1.5× smaller than the prior — bridge or down round.
    • 14 investors on this round.
  4. Series D+$200.0M2021-06-09
    • Raised 14 mo later, in step with the ~11 mo sector norm.
    • Round 4.0× larger than the prior — scaling up.
    • 38 investors on this round.
Intelligence
2022 ~Q2
Modeled next raise · ~12mo cadence
$600.0M
Modeled next size est.range $390.0M$960.0M
4.0×
Last step-up
$99.1M/yr
Capital velocity

Predictive signals are modeled est. from this company's own cadence and step-up, plus sector benchmarks — directional, not advice. Peer set and a CSV export live in your analyst workspace.

Key people & operators

Officers, directors and promoters named in this company's public recordsreported — the people who run it (not its investors). "Also runs" counts come from name-matching across all records, so verify before acting.

PersonRoleAlso runsTied since
Stuart Nagae8 other2020-04
Vijay Pande8 other2018-05
Matthew Posard3 other2020-04
MATTHEW S. MCILWAIN2 other2021-06
Michael Altman2 other2021-06
Farzad Nazem1 other2018-05
Sujal Patel1 other2018-05
Anna Mowry2021-06
Matthew S. Murphy2021-06
Melissa Epperly2021-06
Nicholas S. Nelson2021-06
Parag Mallick2018-05
Subra S. Sankar2021-06
Registry & provenance

Nautilus Biotechnology, Inc. is an official record sourced from the U.S. Securities and Exchange Commission (SEC). U.S. data is aggregated from SEC Form D filings.

United States
Country of record
US
Jurisdiction
1741638
SEC CIK
2016
Incorporated
Similar companies

Nearest neighbours across the whole database — matched on sector, stage and capital scale, and on shared operators (officers or directors named at both companies in public filings). A discovery shortlist, not a valuation cohort — verify before acting, the same way modeled figures are directional.

CompanySectorStageRaised · realValue · estWhy similar
Genesis Therapeutics, Inc.BiotechnologySeries D+$297.4M$3.3Bnetwork1 shared operator · same stage
Vizgen, Inc.BiotechnologySeries D+$295.1M$320.2Mnetwork1 shared operator · same stage
Lyra Therapeutics, Inc.BiotechnologySeries D+$236.6M$791.1Mnetwork1 shared operator · same stage
BioAge Labs, Inc.BiotechnologySeries D+$194.4M$2.4Bnetwork1 shared operator · same stage
Apeel Technology, Inc.Software / TechSeries D+$534.6M$6.1Bnetwork1 shared operator · same stage
Insitro, Inc.BiotechnologySeries D+$143.2M$5.9Bnetwork1 shared operator · same stage
Variant Bio, Inc.BiotechnologySeries D+$127.7M$2.8Bnetwork1 shared operator · same stage
Freenome Holdings, Inc.OtherSeries D+$750.6M$3.4Bnetwork1 shared operator · same stage
Semantically similar

Matched by meaning, not labels — a local language model reads each company's name, sector and description and ranks the closest in that learned space. This catches look-alikes that cross sector boundaries; the structured list above explains its matches, this one trusts the text. Directional, like every modeled signal here.

CompanySectorStageValue · estMatch
Nalu Bio, Inc.Biotech / PharmaSeries A$48.4M82%
Arcutis Biotherapeutics, Inc.BiotechnologySeries C$3.9B82%
BioCurie, Inc.BiotechnologyPre-Seed$1.3M82%
Neutrolis Inc.BiotechnologySeries B$16.5M81%
Ancilia Biosciences, Inc.BiotechnologyPre-Seed$9.8M81%
Acurx Pharmaceuticals, LLCBiotechnologySeries A$13.1M81%
Nautilus Labs Inc.Software / TechSeries A$305.1M81%
Exacis Biotherapeutics Inc.BiotechnologySeed$42.2M81%
Frequently asked
How much funding has Nautilus Biotechnology, Inc. raised?
Nautilus Biotechnology, Inc. has raised approximately $303.3M in disclosed capital across 3 recorded financing rounds, aggregated from public filings.
What is Nautilus Biotechnology, Inc.'s estimated valuation?
Provath's modeled valuation for Nautilus Biotechnology, Inc. is approximately $6.0B (modeled range $906.7M–$11.9B). This is an algorithmic estimate derived from round sizes and same-niche peers — not a quoted or reported figure.
What funding stage is Nautilus Biotechnology, Inc. at?
Nautilus Biotechnology, Inc.'s latest modeled financing stage is Series D+. Its most recent recorded round closed around Wed Jun 09.
What does Nautilus Biotechnology, Inc. do and where is it based?
Nautilus Biotechnology, Inc. operates in the Biotech sector, based in San Carlos.
Explore related

See where Nautilus Biotechnology, Inc. sits in the wider market — its sector, location and stage cohorts, each with their own leaderboards and capital-flow timelines.

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