ARS Investment Partners, LLC reported 142 positions worth $1.80B for the quarter ended Sep 30, 2026, down 2.6% on the prior quarter. It opened 12 new positions, added to 29, trimmed 67 and exited 8. Its largest holding is Micron Technology Inc at 7.2% 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 |
|---|---|---|---|---|
| RRX Regal Rexnord Corp | +142.1K | – | $22.04M | 1.22% |
| MP MP Materials Corp. / DE | +272.6K | +92.4% | $12.89M | 1.49% |
| PSX Phillips 66 | +44.3K | – | $11.30M | 0.627% |
| MPC Marathon Petroleum Corp | +21.7K | +9.8% | $8.59M | 5.32% |
| BX Blackstone Inc. | +73.3K | +16.8% | $8.21M | 3.16% |
| RAL Ralliant Corp | +109.3K | +28.1% | $7.56M | 1.91% |
| AVAV AeroVironment Inc | +35.2K | +18.7% | $5.00M | 1.76% |
| BA Boeing Co | +25.6K | +13.0% | $4.76M | 2.29% |
| PLTR Palantir Technologies Inc. | +25.1K | – | $4.69M | 0.26% |
| CMCSA Comcast Corp | +208.4K | +172.6% | $4.54M | 0.397% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| CRH Crh Public Ltd Co | -267.4K | -60.7% | $22.14M | 0.794% |
| LRCX Lam Research Corp | -31.9K | -9.0% | $10.47M | 5.89% |
| CCI Crown Castle Inc. | -103.7K | -100.0% | $7.86M | Exited |
| HONA Honeywell Aerospace Inc. | -30.3K | -100.0% | $6.70M | Exited |
| MU Micron Technology Inc | -6,203 | -4.8% | $6.61M | 7.2% |
| AAPL Apple Inc. | -13.4K | -4.0% | $4.45M | 5.92% |
| AJG Arthur J. Gallagher & Co. | -5,275 | -5.5% | $1.20M | 1.15% |
| NEM NEWMONT Corp | -8,767 | -1.3% | $1.01M | 4.33% |
| ASND Ascendis Pharma A/S | -4,283 | -2.0% | $975.80K | 2.6% |
| FCX Freeport-Mcmoran Inc | -13.8K | -1.5% | $963.48K | 3.6% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| RRX Regal Rexnord Corp | +142.1K | $22.04M | 1.22% |
| PSX Phillips 66 | +44.3K | $11.30M | 0.627% |
| PLTR Palantir Technologies Inc. | +25.1K | $4.69M | 0.26% |
| ROG Rogers Corp | +3,073 | $470.14K | 0.026% |
| VICR Vicor Corp | +1,609 | $464.90K | 0.026% |
| ABT Abbott Laboratories | +4,515 | $446.22K | 0.025% |
| PESI Perma Fix Environmental Services Inc | +16.1K | $252.22K | 0.014% |
| SHEL Shell plc | +2,395 | $227.65K | 0.013% |
| VLO Valero Energy Corp | +560 | $217.06K | 0.012% |
| PANW Palo Alto Networks Inc | +516 | $205.01K | 0.011% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| CCI Crown Castle Inc. | -103.7K | $7.86M | 0.424% |
| HONA Honeywell Aerospace Inc. | -30.3K | $6.70M | 0.362% |
| MTRN MATERION Corp | -1,939 | $576.64K | 0.031% |
| TRAK ReposiTrak, Inc. | -47.4K | $426.53K | 0.023% |
| ROCK Gibraltar Industries, Inc. | -8,593 | $387.54K | 0.021% |
| BWMN Bowman Consulting Group Ltd. | -7,553 | $220.55K | 0.012% |
| IDN Intellicheck, Inc. | -49.0K | $200.95K | 0.011% |
| LILAK Liberty Latin America Ltd. | -11.0K | $85.69K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MU Micron Technology Inc | Technology | 121.9K | $129.89M | 7.2% | -6,203 | -4.8% | Reduced | 0.01% |
| 2 | AAPL Apple Inc. | Technology | 320.5K | $106.75M | 5.92% | -13.4K | -4.0% | Reduced | 0% |
| 3 | LRCX Lam Research Corp | Technology | 323.5K | $106.29M | 5.89% | -31.9K | -9.0% | Reduced | 0.03% |
| 4 | MPC Marathon Petroleum Corp | Energy | 242.7K | $95.96M | 5.32% | +21.7K | +9.8% | Added | 0.09% |
| 5 | NEM NEWMONT Corp | Basic Materials | 677.8K | $78.18M | 4.33% | -8,767 | -1.3% | Reduced | 0.06% |
| 6 | NVDA Nvidia Corp | Technology | 297.6K | $67.96M | 3.77% | -3,679 | -1.2% | Reduced | 0% |
| 7 | FCX Freeport-Mcmoran Inc | Basic Materials | 928.7K | $65.01M | 3.6% | -13.8K | -1.5% | Reduced | 0.06% |
| 8 | GEV GE Vernova Inc. | Industrials | 63.0K | $59.88M | 3.32% | -770 | -1.2% | Reduced | 0.02% |
| 9 | BX Blackstone Inc. | Financial Services | 509.1K | $57.06M | 3.16% | +73.3K | +16.8% | Added | 0.06% |
| 10 | WDC Western Digital Corp | Technology | 120.8K | $54.89M | 3.04% | -1,944 | -1.6% | Reduced | 0.03% |
| 11 | ASND Ascendis Pharma A/S | Healthcare | 206.2K | $46.97M | 2.6% | -4,283 | -2.0% | Reduced | 0.34% |
| 12 | PWR Quanta Services, Inc. | Industrials | 68.6K | $44.10M | 2.45% | -1,301 | -1.9% | Reduced | 0.05% |
| 13 | AVGO Broadcom Inc. | Technology | 119.8K | $42.06M | 2.33% | -995 | -0.8% | Reduced | 0% |
| 14 | BA Boeing Co | Industrials | 222.2K | $41.33M | 2.29% | +25.6K | +13.0% | Added | 0.03% |
| 15 | RAL Ralliant Corp | Technology | 498.0K | $34.45M | 1.91% | +109.3K | +28.1% | Added | 0.45% |
Tip. Select a row to see that position’s full history at ARS Investment Partners.
As of its Q3 2026 13F filing, ARS Investment Partners, LLC’s five largest positions were Micron Technology Inc (MU) at 7.2%, Apple Inc. (AAPL) at 5.9%, Lam Research Corp (LRCX) at 5.9%, Marathon Petroleum Corp (MPC) at 5.3%, NEWMONT Corp (NEM) at 4.3% of the reported portfolio.
ARS Investment Partners, LLC reported a 13F portfolio worth $1.80B across 142 positions for Q3 2026. That is down 2.6% from the previous quarter.
Its largest purchases by value were Regal Rexnord Corp ($22.04M), MP Materials Corp. / DE ($12.89M), Phillips 66 ($11.30M). It opened 12 new positions.
Its largest sales by value were Crh Public Ltd Co ($22.14M), Lam Research Corp ($10.47M), Crown Castle Inc. ($7.86M). It exited 8 positions entirely.
From the Form 13F-HR reports ARS Investment Partners, 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.