Arthur M. Cohen & Associates, LLC reported 101 positions worth $534.45M for the quarter ended Sep 30, 2026, up 4.9% on the prior quarter. It opened 2 new positions, added to 20, trimmed 38 and exited 5. Its largest holding is Nvidia Corp at 14.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ASML Asml Holding Nv | +337 | +13.8% | $610.53K | 0.943% |
| ETN Eaton Corp plc | +885 | +11.6% | $380.29K | 0.683% |
| GE General Electric Co | +1,181 | +11.6% | $368.81K | 0.662% |
| HONA Honeywell Aerospace Inc. | +1,540 | – | $238.65K | 0.045% |
| SPCX Space Exploration Technologies Corp | +1,480 | – | $223.27K | 0.042% |
| GEV GE Vernova Inc. | +184 | +10.1% | $174.89K | 0.355% |
| VRT Vertiv Holdings Co | +475 | +5.5% | $114.62K | 0.414% |
| CRWD CrowdStrike Holdings, Inc. | +427 | +0.5% | $113.05K | 3.92% |
| CMI Cummins Inc | +197 | +54.6% | $101.76K | 0.054% |
| ORLY O Reilly Automotive Inc | +1,010 | +25.8% | $86.26K | 0.079% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| DHR Danaher Corp | -8,505 | -7.1% | $1.88M | 4.62% |
| NVDA Nvidia Corp | -5,945 | -1.7% | $1.36M | 14.36% |
| GOOG Alphabet Inc. | -3,014 | -2.4% | $1.03M | 7.66% |
| VLTO Veralto Corp | -8,219 | -22.4% | $775.22K | 0.504% |
| HD Home Depot, Inc. | -2,688 | -22.1% | $764.71K | 0.505% |
| AMZN Amazon Com Inc | -2,870 | -2.2% | $715.06K | 5.9% |
| AAPL Apple Inc. | -1,748 | -1.0% | $582.12K | 10.89% |
| AJG Arthur J. Gallagher & Co. | -2,162 | -18.5% | $493.17K | 0.407% |
| MRVL Marvell Technology, Inc. | -1,811 | -5.6% | $478.48K | 1.52% |
| PLTR Palantir Technologies Inc. | -1,523 | -7.6% | $284.88K | 0.648% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 336.0K | $76.75M | 14.36% | -5,945 | -1.7% | Reduced | 0% |
| 2 | AAPL Apple Inc. | Technology | 174.8K | $58.20M | 10.89% | -1,748 | -1.0% | Reduced | 0% |
| 3 | GOOG Alphabet Inc. | Technology | 120.3K | $40.93M | 7.66% | -3,014 | -2.4% | Reduced | 0% |
| 4 | BRK-B Berkshire Hathaway Inc | Financial Services | 73.0K | $36.36M | 6.8% | -564 | -0.8% | Reduced | 0.01% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 126.6K | $31.53M | 5.9% | -2,870 | -2.2% | Reduced | 0% |
| 6 | MSFT Microsoft Corp | Technology | 57.6K | $29.54M | 5.53% | -430 | -0.7% | Reduced | 0% |
| 7 | LLY ELI LILLY & Co | Healthcare | 22.0K | $25.42M | 4.76% | -97 | -0.4% | Reduced | 0% |
| 8 | DHR Danaher Corp | Healthcare | 111.5K | $24.71M | 4.62% | -8,505 | -7.1% | Reduced | 0.02% |
| 9 | CRWD CrowdStrike Holdings, Inc. | Technology | 79.2K | $20.96M | 3.92% | +427 | +0.5% | Added | 0.01% |
| 10 | COST Costco Wholesale Corp | Consumer Staples | 16.4K | $14.94M | 2.8% | +46 | +0.3% | Added | 0% |
| 11 | BLK BlackRock, Inc. | Financial Services | 10.8K | $11.40M | 2.13% | -102 | -0.9% | Reduced | 0.01% |
| 12 | BRK-A Berkshire Hathaway Inc | Financial Services | 15 | $11.21M | 2.1% | 0 | 0.0% | Unchanged | 0% |
| 13 | NFLX Netflix Inc | Technology | 119.3K | $8.30M | 1.55% | -2,070 | -1.7% | Reduced | 0% |
| 14 | MRVL Marvell Technology, Inc. | Technology | 30.8K | $8.13M | 1.52% | -1,811 | -5.6% | Reduced | 0% |
| 15 | META Meta Platforms, Inc. | Technology | 11.1K | $8.07M | 1.51% | -5 | 0.0% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Arthur M. Cohen & Associates.
As of its Q3 2026 13F filing, Arthur M. Cohen & Associates, LLC’s five largest positions were Nvidia Corp (NVDA) at 14.4%, Apple Inc. (AAPL) at 10.9%, Alphabet Inc. (GOOG) at 7.7%, Berkshire Hathaway Inc (BRK-B) at 6.8%, Amazon Com Inc (AMZN) at 5.9% of the reported portfolio.
Arthur M. Cohen & Associates, LLC reported a 13F portfolio worth $534.45M across 101 positions for Q3 2026. That is up 4.9% from the previous quarter.
Its largest purchases by value were Asml Holding Nv ($610.53K), Eaton Corp plc ($380.29K), General Electric Co ($368.81K). It opened 2 new positions.
Its largest sales by value were Danaher Corp ($1.88M), Nvidia Corp ($1.36M), Alphabet Inc. ($1.03M). It exited 5 positions entirely.
From the Form 13F-HR reports Arthur M. Cohen & Associates, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.