Nilsine Partners
Asset Manager SEC-registered adviser
Legal name: Nilsine Partners, LLC
Greenwood Village, CO Website
AUM
$1.9B
Regulatory AUM
Private funds
11
Other 11
Private fund assets
$203.9M
Gross asset value
Employees
18
Last Form D raise
May 2026
Most recent fund filing
From SEC Form ADV filing (filed Mar 24, 2026). View on SEC
People(3)
Owners and executive officers named on the firm's SEC Form ADV.
B
R
T
Funds(11)
Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.
| Fund | Type | Gross assets | Raised (Form D) | Investors | Last Form D | Recency |
|---|---|---|---|---|---|---|
| Proteus Series Feeder Fund I, LLC - Tabeguache Fund | Other | $29.4M | $57.1M | 36 | May 2026 | Hot |
| Proteus Series Feeder Fund I, LLC - Shavano Fund | Other | $32.4M | $39.9M | 23 | May 2026 | Hot |
| Proteus Feeder I Offshore Spc LTD. - Yampa Segregated Portfolio | Other | $37.8M | $54.1M | 80 | May 2026 | Hot |
| Antero Alternative Income Fund, LLC | Other | $21.6M | $28.2M | 4 | May 2026 | Hot |
| Antero Private Equity Fund, LLC | Other | $29.1M | $26.4M | 3 | Oct 2024 | Cold |
| Antero Real Assets Fund, LLC | Other | $25.0M | $19.7M | 3 | Oct 2024 | Cold |
| Antero Private Credit Fund, LLC | Other | $24.2M | $19.7M | 3 | Oct 2024 | Cold |
| Proteus Series I Feeder Fund, LLC - Nilsine Partners Private Access Fund | Other | $4.3M | — | — | — | |
| Antero Real Assets Fund II, LLC | Other | — | — | — | — | |
| Antero Private Credit Fund II, LLC | Other | — | — | — | — | |
| Antero Private Equity Fund II, LLC | Other | — | — | — | — |
Board seats
Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.
No board seats matched from SEC filings yet.
Regulatory identifiers
- CRD number
- 315694
- SEC file number
- 801-122071
- CIK
- 1913043
Sources
- SEC Form ADV Oct 14, 2026