Companies · Biotechnology
LEXINGTON · Biotechnology
Diligence memoA one-page analyst read on Antigenics LLC/DE — recommendation, valuation, rhythm, risks.→Antigenics LLC/DE looks over-valued against its niche peers and is dormant 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.
Procedural diagnosis est. — rule-based common-sense checks over the filing pattern, issuer name, activity cadence, and surfaced operating evidence.
Antigenics LLC/DE behaves more like a recurring private-offering issuer than a conventional venture-backed operating company.
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.
Antigenics LLC/DE is one of 4293 Biotechnology companies tracked from LEXINGTON. By capital raised it ranks among the largest (ahead of 90% 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.
As reported in public records reported — not modeled.
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.
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.
Stages are modeled from round size (public records carry no series label). No record for: Pre-Seed, Seed, Series A, Series B — the company may have raised it under a different exemption, merged it into an adjacent record, or skipped it. Sequence completeness: 20%.
Round size and date are reported; the stage label is inferred from round size (latest is Series C — a $40M–$100M round). Valuation is modeled from stage benchmarks scaled by the biotech sector profile. Directional, not a quoted figure.
Not enough modeled valuation points to chart a trajectory.
Benchmarked against 4293 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.
Raised more than 90% of sector peers (real $). Modeled value above 98% of peers (estimate).
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 #1 of 41.
| Company | Stage | Raised · real | Value · est | vs peer med. |
|---|---|---|---|---|
| Antigenics LLC/DE this company | Series C | $100.0M | $4.1B | 1.81× |
| Naurex Inc. | Series C | $156.0M | $3.3B | 1.45× |
| Fluidigm Corp | Series C | $111.0M | $3.1B | 1.39× |
| Tengion Inc | Series C | $121.7M | $3.0B | 1.34× |
| Spark Therapeutics, Inc. | Series C | $72.8M | $3.0B | 1.32× |
| X-Co Holdings, LP | Series C | $71.0M | $2.9B | 1.29× |
| REGENXBIO Inc. | Series C | $105.9M | $2.9B | 1.28× |
| C4 Therapeutics, Inc. | Series C | $70.3M | $2.9B | 1.27× |
| Intra-Cellular Therapies, Inc. | Series C | $70.3M | $2.9B | 1.27× |
| Intellia Therapeutics, Inc. | Series C | $70.0M | $2.9B | 1.27× |
| Chiasma Inc | Series C | $150.5M | $2.9B | 1.26× |
| AveXis, Inc. | Series C | $65.0M | $2.7B | 1.18× |
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.
| Stage | Amount · real | Announced | Post-money · est | Value · est | Conf. |
|---|---|---|---|---|---|
| Series C | $100.0M | 2015-09-08 | $666.7M | $4.1B | 90% |
Step-up, pace versus the sector's normal cadence, and revenue/exemption moves — read straight from the reported round facts reported.
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.
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.
| Person | Role | Also runs | Tied since |
|---|---|---|---|
| Garo H. Armen | — | 2 other | 2015-09 |
| Charles Evan Ballantyne | — | 1 other | 2015-09 |
| Karen H. Valentine | — | 1 other | 2015-09 |
Antigenics LLC/DE is an official record sourced from the U.S. Securities and Exchange Commission (SEC). U.S. data is aggregated from SEC Form D filings.
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.
| Company | Sector | Stage | Raised · real | Value · est | Why similar |
|---|---|---|---|---|---|
| Agenus Inc | Biotechnology | Series C | $211.2M | $1.2B | network3 shared operators · same sector · same stage |
| Genleap Ai Inc. | Biotechnology | Series C | $100.0M | $1.5B | same sector · same stage |
| Stem Biotech LLC | Biotechnology | Series C | $100.0M | $4.1B | same sector · same stage |
| Alder Biopharmaceuticals Inc | Biotechnology | Series C | $100.0M | $4.1B | same sector · same stage |
| Omniome, Inc. | Biotechnology | Series C | $100.2M | $2.5B | same sector · same stage |
| SARcode Corp | Biotechnology | Series C | $99.6M | $1.8B | same sector · same stage |
| Satellite Biosciences, Inc. | Biotechnology | Series C | $101.5M | $1.8B | same sector · same stage |
| Translate Bio, Inc. | Biotechnology | Series C | $98.5M | $1.9B | same sector · same stage |
See where Antigenics LLC/DE sits in the wider market — its sector, location and stage cohorts, each with their own leaderboards and capital-flow timelines.
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