Diligence memo · auto-generated · as of July 2, 2026

Gaingels Aether Bio 2025 LLC

Gaingels Aether Bio 2025 LLC looks fair against its niche peers and is active on financing cadence.

Diligence furtherNo decisive signal either way from the public record alone — the call needs primary diligence beyond the filings.

Businessfiled

Gaingels Aether Bio 2025 LLC operates in Biotech / Pharma, based in BURLINGTON.

No verified homepage on file yet — operating evidence is limited to the public record.

Capital & rounds (filed)filed

Gaingels Aether Bio 2025 LLC has raised $320K in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Pre-Seed (a round under $1.0M).

Largest single filing: $320K on 2025-09-18.

Most recent recorded round closed around 2025-09-18.

Valuation (modeled)modeled

Provath models Gaingels Aether Bio 2025 LLC at approximately $703K (range $175K–$1.6M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 0.83× the median modeled value of Pre-Seed Biotech / Pharma companies in 2025–2027 (6 peers) — value vs value, same stage and era. Within the normal band (83% of peer median) for its niche.

Financing rhythm & timingmixed

Last raise 9 mo ago; this sector typically re-raises about every 15 months.

Raising on or ahead of the sector's normal rhythm.

Comparablesmixed

Capital scale ranks ahead of 19% of Biotech / Pharma peers (227 compared).

Modeled value ranks above 7% of those peers.

Closest niche peers: Cosmos Pharmaceuticals, LLC, Stratum Biosciences Inc., Amptiv Biosciences, Inc., Fairfield Bio, Inc., Gaingels Glyphic Bio 2025 LLC.

Peoplefiled

1 named person on file across officers, directors and signatories.

Risks & flagsmixed

No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.