Sterling Investment Management, Llc
- Regulatory AUM
- $409M
- Discretionary
- $409M
- Clients
- 151
- Avg AUM / client
- $2.7M
- Accounts
- 399
- Employees
- 8
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 18, 2026
Investments (13F portfolio — 65 positions, $166,731,562)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Vanguard Mortgage Backed Securities Etf | ETF | $15,431,057 | 328,670 | 9.26% | 3.77% |
| 2 | Spdr Gold Shares | ETF | $14,175,474 | 32,944 | 8.5% | 3.46% |
| 3 | Berkshire Hathaway Inc Del Cl B New | Stock | $12,401,696 | 25,880 | 7.44% | 3.03% |
| 4 | S&P Global Inc Com | Stock | $8,542,103 | 20,083 | 5.12% | 2.09% |
| 5 | Ge Aerospace Com New | Stock | $7,411,789 | 26,119 | 4.45% | 1.81% |
| 6 | Moodys Corp Com | Stock | $7,034,968 | 16,126 | 4.22% | 1.72% |
| 7 | Alphabet Inc Cap Stk Cl C | Stock | $6,833,866 | 23,823 | 4.1% | 1.67% |
| 8 | Visa Inc Com Cl A | Stock | $6,576,440 | 21,759 | 3.94% | 1.61% |
| 9 | Microsoft Corp Com | Stock | $5,526,268 | 14,929 | 3.31% | 1.35% |
| 10 | Alerian Mlp Etf | ETF | $5,158,562 | 97,997 | 3.09% | 1.26% |
| 11 | Pepsico Inc Com | Stock | $5,154,230 | 33,191 | 3.09% | 1.26% |
| 12 | Berkshire Hathaway Inc Del Cl A | Stock | $5,026,980 | 7 | 3.02% | 1.23% |
| 13 | Vanguard Short Term Bond Etf | ETF | $4,224,809 | 53,881 | 2.53% | 1.03% |
| 14 | Canadian Pacific Kansas City Com | Stock | $3,959,508 | 50,337 | 2.37% | 0.97% |
| 15 | Walmart Inc Com | Stock | $3,795,692 | 30,541 | 2.28% | 0.93% |
| 16 | Cameco Corp Com | Stock | $3,705,122 | 34,114 | 2.22% | 0.91% |
| 17 | Waste Mgmt Inc Del Com | Stock | $3,392,620 | 14,764 | 2.03% | 0.83% |
| 18 | Vanguard 0 3 Month Treasury Bill Etf | ETF | $2,907,078 | 38,428 | 1.74% | 0.71% |
| 19 | Vanguard Intermediate Term Bond Etf | ETF | $2,902,122 | 37,602 | 1.74% | 0.71% |
| 20 | Johnson & Johnson Com | Stock | $2,681,262 | 10,969 | 1.61% | 0.66% |
| 21 | Apple Inc Com | Stock | $2,373,698 | 9,353 | 1.42% | 0.58% |
| 22 | Vanguard Total International Bond Etf | ETF | $2,168,016 | 45,120 | 1.3% | 0.53% |
| 23 | Schwab Us Aggregate Bond Etf | ETF | $2,115,714 | 91,116 | 1.27% | 0.52% |
| 24 | Boeing Co Com | Stock | $2,081,257 | 10,457 | 1.25% | 0.51% |
| 25 | Vanguard Total Stock Market Etf | ETF | $1,951,808 | 6,084 | 1.17% | 0.48% |
Top 25 of 65 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 65 | $32.5M | 7.95% |
| High net worth individuals | 74 | $322M | 78.6% |
| Charitable organizations | 7 | $26.2M | 6.4% |
| State or municipal government entities | 1 | $4.5M | 1.1% |
| Corporations and other businesses | 4 | $24.2M | 5.91% |
People (4)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| John Harman Payne | Managing Partner, Chief Investment Officer | CFA | Sep 1995 (31y) | 75% or more |
| Arumayta Martinez Arguello | Portfolio Manager | CFA | Dec 2014 (12y) | 5% – 10% |
| Kelly, Crystal, Portillo | Chief Compliance Officer | May 2015 (11y) | 5% – 10% | |
| Ross Alexander Patterson | Registered representative | CFP Chartered Financial Consultant | Aug 2021 (5y) |
Undisclosed: 0% – 15% of the firm is not attributable from the filed Schedule A bands.
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/18/2026 | 969 KB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Hourly charges
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Publication of periodicals or newsletters
Custody
Reported custodians
- Charles Schwab & Co. $409M (100% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 18, 2026.
View current Form ADV (SEC/IAPD) ↗