Standard Investments Llc
- Regulatory AUM
- $5.2B
- Discretionary
- $5.0B
- Clients
- 14
- Avg AUM / client
- $373M
- Accounts
- 14
- Employees
- 37
AUM over time
Annual snapshots from Form ADV filings · as of Mar 13, 2026
Investments (13F portfolio — 11 positions, $1,828,351,828)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Amazon Com Inc | COM | $414,040,760 | 1,988,000 | 22.6% | 7.93% |
| 2 | Microsoft Corp | COM | $311,868,225 | 842,500 | 17.1% | 5.97% |
| 3 | Ptc Inc | COM | $258,263,125 | 1,812,500 | 14.1% | 4.95% |
| 4 | Shell Plc | SPON ADS | $227,850,000 | 2,450,000 | 12.5% | 4.36% |
| 5 | Autodesk Inc | COM | $202,293,000 | 845,000 | 11.1% | 3.87% |
| 6 | Ashland Inc | COM | $145,976,250 | 2,625,000 | 7.98% | 2.8% |
| 7 | Servicenow Inc | COM | $114,482,250 | 1,095,000 | 6.26% | 2.19% |
| 8 | National Grid Plc | SPONSORED ADR NE | $83,508,660 | 987,100 | 4.57% | 1.6% |
| 9 | Evercommerce Inc | COM | $69,894,450 | 6,115,000 | 3.82% | 1.34% |
| 10 | Archer Aviation Inc | *W EXP 09/16/202 | $116,708 | 416,666 | 0.01% | 0.0% |
| 11 | Solid Power Inc | *W EXP 12/08/202 | $58,400 | 266,666 | 0.0% | 0.0% |
Top 25 of 11 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 |
|---|---|---|---|
| High net worth individuals | 3 | $149M | 2.86% |
| Pooled investment vehicles (non-investment companies) | 10 | $5.0B | 94.8% |
| Charitable organizations | 1 | $122M | 2.33% |
Private funds (8)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $6.3B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Standard Latitude Master Fund Ltd. master | Hedge Fund | Cayman Islands | $4.4B | 17 |
| Alettar Llc | Other Private Fund | Delaware | $1.2B | 2 |
| Ronsam Management Llc | Other Private Fund | Delaware | $314M | 12 |
| Standard Ventures Fund Lp | Venture Capital Fund | Delaware | $157M | 3 |
| Standard Qoz Fund Lp | Real Estate Fund | Delaware | $136M | 4 |
| Standard Cs Holdings Llc | Private Equity Fund | Delaware | $64.2M | 13 |
| Standard Legacy Fund Lp master | Hedge Fund | Delaware | $53.1M | 7 |
| 237 Beige Llc | Hedge Fund | Delaware | $17.7M | 6 |
People (6)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Millstone, David, James | Manager | Feb 2009 (18y) | ≈ 37.5% – 75% via Djm Management Holdco Llc | |
| Winter, David, Scott | Member And Manager | Feb 2009 (18y) | 50% – 75% | |
| Zauderer, Howard, Judah | Chief Compliance Officer | Feb 2012 (15y) | Less than 5% | |
| Leidinger, Ethan, Howe | Chief Operating Officer | May 2013 (13y) | Less than 5% | |
| Reddy, Tunde, Jain | Chief Financial Officer | Jan 2016 (11y) | Less than 5% | |
| Cassata, Valentina, Nmn | General Counsel | Jan 2022 (5y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Djm Management Holdco Llc | Member | Jan 2022 | A | 50% – 75% |
Estimated effective ownership (look-through of filed bands):
- Millstone, David, James: 75% – 100% of Djm Management Holdco Llc × 50% – 75% direct ≈ 37.5% – 75% of the firm
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.
Private funds (8, $6.3B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Standard Latitude Master Fund Ltd. | Hedge Fund | $4.4B | $0 | 17 |
| Alettar Llc | Other Private Fund | $1.2B | $0 | 2 |
| Ronsam Management Llc | Other Private Fund | $314M | $0 | 12 |
| Standard Ventures Fund Lp | Venture Capital Fund | $157M | $0 | 3 |
| Standard Qoz Fund Lp | Real Estate Fund | $136M | $0 | 4 |
| Standard Cs Holdings Llc | Private Equity Fund | $64.2M | $0 | 13 |
| Standard Legacy Fund Lp | Hedge Fund | $53.1M | $1.0M | 7 |
| 237 Beige Llc | Hedge Fund | $17.7M | $0 | 6 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/13/2026 | 3.55 MB | 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
- • Other fees
- • PERFORMANCE BASED ALLOCATION
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Merrill Lynch $93.0M (2% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having 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 13, 2026.
View current Form ADV (SEC/IAPD) ↗