Key facts
- It has raised $42.0M; the latest was Debt - General ($6.1M) in Feb 2025.
- Notable investors include Lead Edge Capital, Hatteras Venture Partners, Cofounders Capital, IDEA Fund Partners, Azure Capital Partners — 31 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 31 names
- ·Watchlist + deal alerts for Second Nature
- ·The full record, as it builds
Funding rounds
No funding rounds for Second Nature are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Second Nature
Provider of filter subscription services intended to offer subscription-based heating, ventilation, and air conditioning (HVAC) air filter fulfillment services. The company's subscription services help in offering correct size HVAC air filters which are conveniently delivered to home or office doorsteps so they may be replaced regularly, enabling residents and corporations to sign up online for automatic, regular shipments of air filters for heating and air-conditioning systems that are delivered to their doorstep.
- Sector
- Consumer Products and Services (B2C)
- HQ
- Raleigh, NC, United States
- Founded
- 2012
- Employees
- 287
- Website
- secondnature.com/
- Ownership
- Privately Held (backing)
Second Nature doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Second Nature shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Second Nature in its N-PORT filings yet. We sweep new filings monthly.