Account Management LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 1, 2026), Account Management LLC reported 23 stock positions worth $91.3 million. Its top holding was Berkshire Hathaway Class B (BRK.B) at 23.8% of the portfolio, followed by ASML Holding NV-NY Reg SHS (ASML, 12.0%) and Enterprise Products Partners (EPD, 10.7%). Compared with Q4 2025, it opened 1 new position, added to 2 and reduced 6. The biggest buy was a new position in Nutanix Class A (NTNX) and the biggest sale Blackstone (BX, shares −1%).
- Most Recent 13F
- Q2 2026
- Location
- BOXFORD, MA
- CIK
- 0000769954
- Portfolio Value
- $91.3M (Q1 2026)
- SEC Filing
- 0000769954-26-000003 ↗ filed May 1, 2026
Holdings Value
Holdings 23 stocks · $91.3M
| BRK.B Berkshire Hathaway Inc. Class B | 23.79% | 45,314 | $21.7M | Reduce -0.9% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 12.01% | 8,300 | $11.0M | Reduce -4.4% |
| EPD Enterprise Products Partners | 10.66% | 257,210 | $9.7M | No change |
| NEE Nextera Energy Inc. | 8.75% | 85,935 | $8.0M | No change |
| BX Blackstone Inc. | 8.48% | 67,281 | $7.7M | Reduce -0.7% |
| ORLY O'reilly Automotive Inc. | 5.83% | 57,675 | $5.3M | Reduce -0.9% |
| JPM JPMorgan Chase & Co. | 4.36% | 13,513 | $4.0M | No change |
| SNPS Synopsys Inc. | 3.94% | 9,070 | $3.6M | Add +2.8% |
| FTNT Fortinet Inc. | 2.97% | 33,218 | $2.7M | Reduce -3.9% |
| GLD SPDR Gold Shares | 2.84% | 6,025 | $2.6M | No change |
| AMZN Amazon.com Inc. | 2.52% | 11,055 | $2.3M | Add +14.4% |
| ISRG Intuitive Surgical Inc. | 2.46% | 4,875 | $2.2M | No change |
| NTNX Nutanix Inc. Class A | 1.87% | 44,975 | $1.7M | New |
| MSFT Microsoft Corp. | 1.86% | 4,595 | $1.7M | No change |
| AMT American Tower Corp. | 1.67% | 8,845 | $1.5M | No change |
| TMUS T-Mobile US Inc. | 1.52% | 6,610 | $1.4M | Reduce -58.9% |
| ADI Analog Devices Inc. | 1.20% | 3,429 | $1.1M | No change |
| INTU Intuit Inc. | 0.83% | 1,745 | $755K | No change |
| AEM Agnico Eagle Mines Ltd. | 0.68% | 3,035 | $616K | No change |
| BA The Boeing Co. | 0.60% | 2,750 | $547K | No change |
| GOOG Alphabet Inc. Class C | 0.53% | 1,700 | $488K | No change |
| GOOGL Alphabet Inc. Class A | 0.32% | 1,000 | $288K | No change |
| PJT PJT Partners Inc. Class A | 0.30% | 1,937 | $271K | No change |
Portfolio Sells Q4 2025 → Q1 2026
| BX Blackstone Inc. | Reduce -0.7% | 8.48% | −2.73 |
| TMUS T-Mobile US Inc. | Reduce -58.9% | 1.52% | −1.98 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -0.9% | 23.79% | −0.86 |
| FTNT Fortinet Inc. | Reduce -3.9% | 2.97% | +0.03 |
| ORLY O'reilly Automotive Inc. | Reduce -0.9% | 5.83% | +0.14 |
| ASML ASML Holding NV-NY Reg SHS | Reduce -4.4% | 12.01% | +2.05 |
Portfolio Buys Q4 2025 → Q1 2026
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 22 | $99.0M | BRK.B, ASML, EPD, NEE, BX |
| Q1 2026 | 23 | $91.3M | BRK.B, ASML, EPD, NEE, BX |
| Q4 2025 | 22 | $93.2M | BRK.B, BX, ASML, EPD, NEE |
| Q3 2025 | 23 | $93.8M | BRK.B, BX, ASML, EPD, NEE |
| Q2 2025 | 25 | $91.1M | BRK.B, BX, EPD, ASML, ORLY |
| Q1 2025 | 24 | $90.8M | BRK.B, BX, EPD, ORLY, ASML |
| Q4 2024 | 24 | $85.4M | BRK.B, BX, EPD, ASML, NEE |
| Q3 2024 | 24 | $84.1M | BRK.B, BX, EPD, NEE, ASML |
| Q2 2024 | 24 | $88.2M | BRK.B, BX, EPD, ASML, INTU |
| Q1 2024 | 24 | $92.6M | BRK.B, BX, EPD, ASML, ORLY |