Standard Investments LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Standard Investments LLC reported 9 stock positions worth $1.7 billion. Its top holding was Amazon.com (AMZN) at 21.7% of the portfolio, followed by PTC (PTC, 15.2%) and Microsoft (MSFT, 13.5%). Compared with Q4 2025, it sold out of 1, added to 3 and reduced 2. The biggest buy was Microsoft (MSFT, shares +53%) and the biggest sale National Grid PLC-SP ADR (NGG, shares −60%).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001539436
- Portfolio Value
- $1.7B (Q1 2026)
- SEC Filing
- 0001172661-26-002228 ↗ filed May 15, 2026
Holdings Value
Holdings 9 stocks · $1.7B
| AMZN Amazon.com Inc. | 21.71% | 1,773,000 | $369.3M | Add +6.0% |
| PTC PTC Inc. | 15.18% | 1,812,500 | $258.3M | No change |
| MSFT Microsoft Corp. | 13.49% | 620,000 | $229.5M | Add +53.5% |
| SHEL Shell PLC-ADR | 13.39% | 2,450,000 | $227.8M | Reduce -27.2% |
| ADSK Autodesk Inc. | 11.89% | 845,000 | $202.3M | No change |
| ASH Ashland Inc. | 8.58% | 2,625,000 | $146.0M | No change |
| NOW ServiceNow Inc. | 6.73% | 1,095,000 | $114.5M | Add +65.9% |
| NGG National Grid PLC-SP ADR | 4.91% | 987,100 | $83.5M | Reduce -60.2% |
| EVCM Evercommerce Inc. | 4.11% | 6,115,000 | $69.9M | No change |
Options reported separately and not counted above: MSFT calls ($82.4M), AMZN calls ($44.8M).
Other holdings (2): bonds, preferreds, convertibles and warrants · $175K (not counted above)
Total filed on the 13F, all lines: $1.7B.
Portfolio Sells Q4 2025 → Q1 2026
Portfolio Buys Q4 2025 → Q1 2026
Options Activity Q4 2025 → Q1 2026
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 9 | $1.8B | AMZN, ASH, MSFT, PTC, SHEL |
| Q1 2026 | 9 | $1.7B | AMZN, PTC, MSFT, SHEL, ADSK |
| Q4 2025 | 10 | $2.0B | AMZN, PTC, ADSK, SHEL, MSFT |
| Q3 2025Amended | 10 | $2.0B | AMZN, PTC, SHEL, ADSK, MSFT |
| Q2 2025 | 10 | $1.9B | SHEL, ADSK, PTC, MSFT, AMZN |
| Q1 2025 | 9 | $1.6B | SHEL, PTC, ADSK, ADBE, AMZN |
| Q4 2024 | 14 | $1.8B | SHEL, PTC, ADSK, AMZN, CDW |
| Q3 2024 | 14 | $2.0B | SHEL, ADSK, AMZN, PTC, WAB |
| Q2 2024 | 12 | $1.7B | SHEL, ADSK, PTC, AMZN, WAB |
| Q1 2024 | 11 | $1.5B | SHEL, PTC, AMZN, WAB, ADSK |