Cobblestone Asset Management LLC reported 37 positions worth $32.13M for the quarter ended Sep 30, 2026, up 16.8% on the prior quarter. It opened 2 new positions, added to 13, trimmed 10 and exited 0. Its largest holding is iShares Bitcoin Trust ETF at 12.4% 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 |
|---|---|---|---|---|
| PM Philip Morris International Inc. | +2,461 | +22.0% | $469.61K | 8.11% |
| PLTR Palantir Technologies Inc. | +1,525 | – | $285.25K | 0.888% |
| MO Altria Group, Inc. | +3,738 | +33.0% | $251.72K | 3.15% |
| MCK Mckesson Corp | +263 | – | $224.55K | 0.699% |
| IBIT iShares Bitcoin Trust ETF | +3,290 | +4.1% | $155.75K | 12.38% |
| ETHA iShares Ethereum Trust ETF | +5,823 | +4.5% | $117.16K | 8.56% |
| COIN Coinbase Global, Inc. | +530 | +5.8% | $98.80K | 5.59% |
| IAU Ishares Gold Trust | +1,204 | +6.2% | $94.03K | 5.04% |
| GSOL Grayscale Solana Staking ETF | +8,489 | +4.4% | $75.34K | 5.61% |
| QS QuantumScape Corp | +4,350 | +24.7% | $20.21K | 0.317% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| BE Bloom Energy Corp | -350 | -25.0% | $96.94K | 0.905% |
| INTC Intel Corp | -400 | -3.5% | $48.09K | 4.12% |
| AAPL Apple Inc. | -140 | -3.8% | $46.63K | 3.63% |
| PSLV Sprott Physical Silver Trust | -1,151 | -1.3% | $22.29K | 5.2% |
| PHYS Sprott Physical Gold Trust | -371 | -1.7% | $11.60K | 2.09% |
| XYZ Block, Inc. | -100 | -3.4% | $7.35K | 0.657% |
| PLUG Plug Power Inc | -2,900 | -2.3% | $5.63K | 0.743% |
| NIO NIO Inc. | -750 | -0.8% | $2.57K | 1.04% |
| AMZN Amazon Com Inc | -10 | -0.7% | $2.49K | 1.08% |
| ACB Aurora Cannabis Inc | -550 | -2.0% | $2.15K | 0.333% |
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | IBIT iShares Bitcoin Trust ETF | Others | 84.1K | $3.98M | 12.38% | +3,290 | +4.1% | Added | 0.01% |
| 2 | ETHA iShares Ethereum Trust ETF | Others | 136.7K | $2.75M | 8.56% | +5,823 | +4.5% | Added | 0.04% |
| 3 | PM Philip Morris International Inc. | Consumer Staples | 13.7K | $2.61M | 8.11% | +2,461 | +22.0% | Added | 0% |
| 4 | GSOL Grayscale Solana Staking ETF | Others | 203.1K | $1.80M | 5.61% | +8,489 | +4.4% | Added | 1.11% |
| 5 | COIN Coinbase Global, Inc. | Technology | 9,641 | $1.80M | 5.59% | +530 | +5.8% | Added | 0% |
| 6 | NEU Newmarket Corp | Basic Materials | 2,000 | $1.80M | 5.59% | 0 | 0.0% | Unchanged | 0.02% |
| 7 | PSLV Sprott Physical Silver Trust | Others | 86.3K | $1.67M | 5.2% | -1,151 | -1.3% | Reduced | 0.02% |
| 8 | CSX Csx Corp | Industrials | 35.0K | $1.63M | 5.07% | +59 | +0.2% | Added | 0% |
| 9 | IAU Ishares Gold Trust | Others | 20.7K | $1.62M | 5.04% | +1,204 | +6.2% | Added | 0% |
| 10 | INTC Intel Corp | Technology | 11.0K | $1.32M | 4.12% | -400 | -3.5% | Reduced | 0% |
| 11 | AAPL Apple Inc. | Technology | 3,504 | $1.17M | 3.63% | -140 | -3.8% | Reduced | 0% |
| 12 | MO Altria Group, Inc. | Consumer Staples | 15.1K | $1.01M | 3.15% | +3,738 | +33.0% | Added | 0% |
| 13 | MSFT Microsoft Corp | Technology | 1,825 | $935.96K | 2.91% | +1 | +0.1% | Added | 0% |
| 14 | BRK-B Berkshire Hathaway Inc | Financial Services | 1,629 | $811.16K | 2.52% | 0 | 0.0% | Unchanged | 0% |
| 15 | BMY Bristol Myers Squibb Co | Healthcare | 12.8K | $796.97K | 2.48% | 0 | 0.0% | Unchanged | 0% |
Tip. Select a row to see that position’s full history at Cobblestone Asset Management.
As of its Q3 2026 13F filing, Cobblestone Asset Management LLC’s five largest positions were iShares Bitcoin Trust ETF (IBIT) at 12.4%, iShares Ethereum Trust ETF (ETHA) at 8.6%, Philip Morris International Inc. (PM) at 8.1%, Grayscale Solana Staking ETF (GSOL) at 5.6%, Coinbase Global, Inc. (COIN) at 5.6% of the reported portfolio.
Cobblestone Asset Management LLC reported a 13F portfolio worth $32.13M across 37 positions for Q3 2026. That is up 16.8% from the previous quarter.
Its largest purchases by value were Philip Morris International Inc. ($469.61K), Palantir Technologies Inc. ($285.25K), Altria Group, Inc. ($251.72K). It opened 2 new positions.
Its largest sales by value were Bloom Energy Corp ($96.94K), Intel Corp ($48.09K), Apple Inc. ($46.63K). It exited 0 positions entirely.
From the Form 13F-HR reports Cobblestone Asset Management 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.