Diligence memo · auto-generated · as of July 2, 2026
Relypsa Inc
Relypsa Inc looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Relypsa Inc operates in Biotechnology, based in SANTA CLARA.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Relypsa Inc has raised $292M in disclosed capital across 7 recorded rounds, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).
Largest single filing: $70M on 2010-09-03.
Most recent recorded round closed around 2012-07-26.
Valuation (modeled)modeled
Provath models Relypsa Inc at approximately $2.7B (range $201M–$7.0B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.33× the median modeled value of Series C Biotechnology companies in 2010–2012 (19 peers) — value vs value, same stage and era. Within the normal band (133% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 4 months.
Last raise 13.9 yr ago; this sector typically re-raises about every 14 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 1.3× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 98% of Biotechnology peers (4293 compared).
Modeled value ranks above 96% of those peers.
Closest niche peers: Insmed Inc, Infinity Pharmaceuticals, Inc., Ultragenyx Pharmaceutical Inc., Knopp Neurosciences Inc., Nevro Corp.
Peoplefiled
17 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.