Companies · Biotechnology

Graybug Vision, Inc.

LA JOLLA · Biotechnology

Diligence memoA one-page analyst read on Graybug Vision, Inc. — recommendation, valuation, rhythm, risks.
$144.8M
Total raised · real
8
Rounds
0.2×
Latest step-up
Top 7%
Sector rank · raised
Series C
Latest stage · inferred · Mon Mar 20 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

Graybug Vision, Inc. looks under-valued against its niche peers and is at-risk on financing cadence.

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.

Under-valued
  • Modeled value is 0.27× the median modeled value of Series C Biotechnology companies in 2022–2024 (111 peers) — value vs value, same stage and era.
At-risk
  • Last raise 3.3 yr ago; this sector typically re-raises about every 14 months.
  • Past due for a raise versus sector cadence — watch for distress or a bridge.
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 Biotechnology

Graybug Vision, Inc. is one of 4291 Biotechnology companies tracked from LA JOLLA. By capital raised it ranks among the largest (ahead of 94% of sector peers), and mid-pack by modeled valuation est..

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

As reported in public records reported — not modeled.

US
Jurisdiction
Rule 506(b)
Reg D exemption
55
Investors (latest)
2023-03-20
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$1.3B$2.5B$3.8B$5.0BPre-Seed · 2011-10-24 Raised $610K (real) Modeled valuation $34M (est)Pre-Seed2011Seed · 2013-09-03 Raised $1.2M (real) Modeled valuation $54M (est)Seed2013Seed · 2013-09-03 Raised $1.5M (real) Modeled valuation $65M (est)Seed2013Seed · 2014-08-21 Raised $750K (real) Modeled valuation $33M (est)Seed2014Seed · 2015-02-19 Raised $1.7M (real) Modeled valuation $77M (est)Seed2015Seed · 2015-12-11 Raised $750K (real) Modeled valuation $33M (est)Seed2015Series B · 2016-04-29 Raised $33M (real) Modeled valuation $1.3B (est)Series B2016Series C · 2016-04-29 Raised $75M (real) Modeled valuation $3.1B (est)Series C2016Series B · 2016-04-29 Raised $21M (real) Modeled valuation $831M (est)Series B2016Series C · 2019-07-31 Raised $55M (real) Modeled valuation $2.3B (est)Series C2019Series C · 2023-03-20 Raised $9.1M (real) Modeled valuation $132M (est)Series C2023Cumulative $200M

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
Pre-Seed$610K · 2011
Seed$1.2M · 2013
Seed extension$1.5M · 2013
Seed extension$750K · 2014
Seed extension$1.7M · 2015
Seed extension$750K · 2015
Series B$32.9M · 2016no Series A on file
Series C$75.4M · 2016
Bridge · Series C-stage$20.9M · 2016smaller follow-on
Series C extension$55.0M · 2019
Series C extension$9.1M · 2023

Stages are modeled from round size (public records carry no series label). No record for: Series A — the company may have raised it under a different exemption, merged it into an adjacent record, or skipped it. Sequence completeness: 80%.

Modeled valuation trajectory
$132.4M
Base estimate est.
$28.2M
Conservative case
$240.1M
Upside case
$60.7M
Modeled post-money

Round size and date are reported; the stage label is inferred from round size (latest is Series Ca $40M–$100M round). Valuation is modeled from stage benchmarks scaled by the biotech sector profile. Directional, not a quoted figure.

Pre-Seed · modeled $33.7M · 2011-10-242011Seed · modeled $53.5M · 2013-09-03Seed · modeled $64.6M · 2013-09-03Seed · modeled $33.3M · 2014-08-21Seed · modeled $77.3M · 2015-02-19Seed · modeled $33.3M · 2015-12-11Series B · modeled $1.3B · 2016-04-29Series C · modeled $3.1B · 2016-04-29Series B · modeled $831.2M · 2016-04-29Series C · modeled $2.3B · 2019-07-31Series C · modeled $132.4M · 2023-03-202023
Model inputs · modeled:benchmark-stage-stepup-v1
15%
Dilution assumption
Implied ownership sold in the financing.
62%
Survival probability
46% low · 72% high
1.46×/yr
Annual markup
1.68×/yr upside case
3.3 yr
Elapsed time used
3.3 yr actual, capped for stale marks
biotech
Sector profile
Adjusts growth and survival by industry.
Financing rhythm
14 mo
Avg between rounds
$12.7M/yr
Capital velocity
14.7 yr
On record since
2011
First round
11
Rounds on file
How it compares to the market

Benchmarked against 4291 companies in Biotechnology. 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) 20× above median
This company$144.8M
Sector median$7.2M
Latest round — vs other Series C rounds in sector (real $, this stage) 0.2× of median
This company$9.1M
Sector median$46.5M
Modeled value — vs sector median (estimate, all stages) 2.1× above median
This company$132.4M
Sector median$64.2M

Raised more than 94% of sector peers (real $). Modeled value above 64% of peers (estimate).

Niche peers — same stage & era

A tighter cohort than the sector chart above — only companies at the same stage (Series C) that last raised in the same ~3-year era, ranked by modeled value est. (not money raised). This is the exact set the analyst read compares against, so a like-for-like cohort is what makes "over/under-valued" meaningful. This company ranks #94 of 111.

This companyCohort peer
$100.0M$1.0B$10.0B$10.0M$100.0M$1.0BCapital raised (log)Dianthus Therapeutics, Inc. · Series C Raised $121.5M · modeled $2.1B (est)Satellite Biosciences, Inc. · Series C Raised $101.5M · modeled $1.8B (est)Deepcell, Inc. · Series C Raised $96.9M · modeled $1.7B (est)Ventus Therapeutics U.S., Inc. · Series C Raised $186.8M · modeled $1.6B (est)Morphic Holding, Inc. · Series C Raised $200.6M · modeled $1.5B (est)Genleap Ai Inc. · Series C Raised $100.0M · modeled $1.5B (est)Dren Bio, Inc. · Series C Raised $93.1M · modeled $1.3B (est)Lenz Therapeutics, Inc. · Series C Raised $136.2M · modeled $1.2B (est)eyeBrain Medical, Inc. · Series C Raised $126.3M · modeled $1.2B (est)A2 Biotherapeutics, Inc. · Series C Raised $143.1M · modeled $1.2B (est)Invetx, Inc. · Series C Raised $70.7M · modeled $1.2B (est)Hexagon Bio Inc. · Series C Raised $148.6M · modeled $1.2B (est)Graybug Vision, Inc. (this company) Raised $144.8M · modeled $132.4M (est)Graybug Vision, Inc.
CompanyStageRaised · realValue · estvs peer med.
Dianthus Therapeutics, Inc.Series C$121.5M$2.1B4.22×
Satellite Biosciences, Inc.Series C$101.5M$1.8B3.63×
Deepcell, Inc.Series C$96.9M$1.7B3.38×
Ventus Therapeutics U.S., Inc.Series C$186.8M$1.6B3.14×
Morphic Holding, Inc.Series C$200.6M$1.5B3.04×
Genleap Ai Inc.Series C$100.0M$1.5B3.00×
Dren Bio, Inc.Series C$93.1M$1.3B2.70×
Lenz Therapeutics, Inc.Series C$136.2M$1.2B2.49×
eyeBrain Medical, Inc.Series C$126.3M$1.2B2.45×
A2 Biotherapeutics, Inc.Series C$143.1M$1.2B2.42×
Invetx, Inc.Series C$70.7M$1.2B2.36×
Hexagon Bio Inc.Series C$148.6M$1.2B2.36×
Graybug Vision, Inc. this companySeries C$144.8M$132.4M0.27×
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.
Pre-Seed$610K2011-10-24$3.4M$33.7M85%
Seed$1.2M2013-09-03$6.0M$53.5M85%
Seed$1.5M2013-09-03$7.3M$64.6M85%
Seed$750K2014-08-21$3.8M$33.3M85%
Seed$1.7M2015-02-19$8.7M$77.3M85%
Seed$750K2015-12-11$3.8M$33.3M85%
Series B$32.9M2016-04-29$183.0M$1.3B90%
Series C$75.4M2016-04-29$502.6M$3.1B90%
Series B$20.9M2016-04-29$116.4M$831.2M85%
Series C$55.0M2019-07-31$366.7M$2.3B90%
Series C$9.1M2023-03-20$60.7M$132.4M90%
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. Pre-Seed$610K2011-10-24
    • First recorded raise — entered as Pre-Seed.
    • 7 investors on this round.
  2. Seed$1.2M2013-09-03
    • Raised again after 22 mo — slower than the ~14 mo sector norm.
    • Round 2.0× larger than the prior — scaling up.
    • 6 investors on this round.
  3. Seed$1.5M2013-09-03
    • Filed alongside the prior round (same month) — likely a tranche or amendment.
    • Round roughly the size of the prior one.
    • Switched to Rule 506(b) (was Rule 06).
    • 7 investors on this round.
  4. Seed$750K2014-08-21
    • Raised 12 mo later, in step with the ~14 mo sector norm.
    • Round 1.9× smaller than the prior — bridge or down round.
    • 3 investors on this round.
  5. Seed$1.7M2015-02-19
    • Came back fast: 6 mo vs the ~14 mo sector norm.
    • Round 2.3× larger than the prior — scaling up.
    • 2 investors on this round.
  6. Seed$750K2015-12-11
    • Raised 10 mo later, in step with the ~14 mo sector norm.
    • Round 2.3× smaller than the prior — bridge or down round.
    • 1 investor on this round.
  7. Series B$32.9M2016-04-29
    • Came back fast: 5 mo vs the ~14 mo sector norm.
    • Round 43.9× larger than the prior — scaling up.
    • 16 investors on this round.
  8. Series C$75.4M2016-04-29
    • Filed alongside the prior round (same month) — likely a tranche or amendment.
    • Round 2.3× larger than the prior — scaling up.
    • 16 investors on this round.
  9. Series B$20.9M2016-04-29
    • Filed alongside the prior round (same month) — likely a tranche or amendment.
    • Round 3.6× smaller than the prior — bridge or down round.
    • 15 investors on this round.
  10. Series C$55.0M2019-07-31
    • Raised again after 39 mo — slower than the ~14 mo sector norm.
    • Round 2.6× larger than the prior — scaling up.
    • 8 investors on this round.
  11. Series C$9.1M2023-03-20
    • Raised again after 44 mo — slower than the ~14 mo sector norm.
    • Round 6.0× smaller than the prior — bridge or down round.
    • 55 investors on this round.
Intelligence
2024 ~Q2
Modeled next raise · ~14mo cadence
$9.1M
Modeled next size est.range $9.1M$14.6M
0.2×
Last step-up
$12.7M/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
Cameron Wheeler8 other2016-04
Chau Khuong8 other2019-07
Christy Shaffer5 other2015-12
Emmett Cunningham3 other2016-04
Eric W. Roberts3 other2023-03
Gerald Cagle3 other2014-08
Jeffrey Cleland3 other2014-08
Christy L. Shaffer2 other2016-04
Daniel J. Geffken2 other2023-03
Jeffrey L. Cleland2 other2016-04
JUSTIN HANES2 other2011-10
Michael J. Dunn2 other2023-03
MICHAEL O'ROURKE2 other2014-08
A. Rachel Leheny1 other2023-03
Frederic Guerard1 other2019-07
Kenneth A. Stauderman1 other2023-03
Sudarshan J. Hebbar1 other2023-03
Allan N. Shaw2023-03
Cameron Wheeler, Ph.D.2019-07
Chau Khoung2016-04
Christy Shaffer, Ph.D.2019-07
CHRISTY WYSKIEL2011-10
Emmett Cunningham, M.D., Ph.D.2019-07
Eric N. Bjerkholt2023-03
Registry & provenance

Graybug Vision, 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
1534133
SEC CIK
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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.

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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
Greyledge Technologies, Inc.BiotechnologySeries A$69.3M85%
Visiongate IncBiotechnologySeries B$148.8M85%
Color Health, Inc.BiotechnologySeries D+$1.2B84%
Sight Sciences, Inc.BiotechnologySeries B$777.8M83%
NeuroVision Imaging, Inc.BiotechnologySeries A$404.9M82%
Spruce Biosciences, Inc.BiotechnologySeries C$274.3M82%
Mosaic Biosciences, Inc.BiotechnologySeries A$176.1M82%
Atia Vision, Inc.BiotechnologySeries B$466.4M82%
Frequently asked
How much funding has Graybug Vision, Inc. raised?
Graybug Vision, Inc. has raised approximately $144.8M in disclosed capital across 8 recorded financing rounds, aggregated from public filings.
What is Graybug Vision, Inc.'s estimated valuation?
Provath's modeled valuation for Graybug Vision, Inc. is approximately $132.4M (modeled range $28.2M–$240.1M). This is an algorithmic estimate derived from round sizes and same-niche peers — not a quoted or reported figure.
What funding stage is Graybug Vision, Inc. at?
Graybug Vision, Inc.'s latest modeled financing stage is Series C. Its most recent recorded round closed around Mon Mar 20.
What does Graybug Vision, Inc. do and where is it based?
Graybug Vision, Inc. operates in the Biotechnology sector, based in LA JOLLA.
Explore related

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