Altar Rock LLC reported 60 positions worth $31.40M for the quarter ended Jun 30, 2026, down 39.6% on the prior quarter. It opened 20 new positions, added to 6, trimmed 32 and exited 88. Its largest holding is Affiliated Managers Group, Inc. at 11.6% 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 |
|---|---|---|---|---|
| AMD Advanced Micro Devices Inc | +697 | – | $404.89K | 1.29% |
| APH Amphenol Corp | +3,054 | – | $269.62K | 0.859% |
| STX Seagate Technology Holdings plc | +269 | – | $259.78K | 0.827% |
| VAC MARRIOTT VACATIONS WORLDWIDE Corp | +2,481 | – | $252.76K | 0.805% |
| DAL Delta Air Lines, Inc. | +2,592 | – | $242.77K | 0.773% |
| MRVL Marvell Technology, Inc. | +785 | – | $233.85K | 0.745% |
| INTC Intel Corp | +1,667 | – | $232.76K | 0.741% |
| UAL United Airlines Holdings, Inc. | +1,598 | – | $217.31K | 0.692% |
| UMC United Microelectronics Corp | +7,922 | – | $215.56K | 0.686% |
| SNA Snap-on Inc | +533 | – | $214.48K | 0.683% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AMG Affiliated Managers Group, Inc. | -2,747 | -20.4% | $929.59K | 11.55% |
| NVDA Nvidia Corp | -3,921 | -26.3% | $784.55K | 6.99% |
| AAPL Apple Inc. | -2,588 | -26.5% | $748.86K | 6.61% |
| MSFT Microsoft Corp | -1,412 | -30.4% | $526.71K | 3.84% |
| CVX Chevron Corp | -2,140 | -100.0% | $442.77K | Exited |
| INGR Ingredion Inc | -3,762 | -100.0% | $423.83K | Exited |
| LRCX Lam Research Corp | -969 | -54.7% | $420.11K | 1.11% |
| GOOG Alphabet Inc. | -1,176 | -52.8% | $415.52K | 1.18% |
| TXG 10x Genomics, Inc. | -10.0K | -48.8% | $384.97K | 1.29% |
| TSN Tyson Foods, Inc. | -5,758 | -100.0% | $368.92K | Exited |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| AMD Advanced Micro Devices Inc | +697 | $404.89K | 1.29% |
| APH Amphenol Corp | +3,054 | $269.62K | 0.859% |
| STX Seagate Technology Holdings plc | +269 | $259.78K | 0.827% |
| VAC MARRIOTT VACATIONS WORLDWIDE Corp | +2,481 | $252.76K | 0.805% |
| DAL Delta Air Lines, Inc. | +2,592 | $242.77K | 0.773% |
| MRVL Marvell Technology, Inc. | +785 | $233.85K | 0.745% |
| INTC Intel Corp | +1,667 | $232.76K | 0.741% |
| UAL United Airlines Holdings, Inc. | +1,598 | $217.31K | 0.692% |
| UMC United Microelectronics Corp | +7,922 | $215.56K | 0.686% |
| SNA Snap-on Inc | +533 | $214.48K | 0.683% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| CVX Chevron Corp | -2,140 | $442.77K | 0.852% |
| INGR Ingredion Inc | -3,762 | $423.83K | 0.816% |
| TSN Tyson Foods, Inc. | -5,758 | $368.92K | 0.71% |
| RTX RTX Corp | -1,907 | $367.86K | 0.708% |
| HCA HCA Healthcare, Inc. | -752 | $355.88K | 0.685% |
| COST Costco Wholesale Corp | -349 | $347.75K | 0.669% |
| FIVE Five Below, Inc | -1,494 | $341.35K | 0.657% |
| MRK Merck & Co., Inc. | -2,767 | $335.19K | 0.645% |
| GS Goldman Sachs Group Inc | -384 | $324.86K | 0.625% |
| TNL Travel & Leisure Co. | -4,602 | $318.41K | 0.613% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AMG Affiliated Managers Group, Inc. | Financial Services | 10.7K | $3.63M | 11.55% | -2,747 | -20.4% | Reduced | 0.04% |
| 2 | GLD Spdr Gold Trust | Others | 9,237 | $3.40M | 10.84% | 0 | 0.0% | Unchanged | 0% |
| 3 | NVDA Nvidia Corp | Technology | 11.0K | $2.20M | 6.99% | -3,921 | -26.3% | Reduced | 0% |
| 4 | AAPL Apple Inc. | Technology | 7,173 | $2.08M | 6.61% | -2,588 | -26.5% | Reduced | 0% |
| 5 | GOOGL Alphabet Inc. | Technology | 3,823 | $1.37M | 4.35% | -963 | -20.1% | Reduced | 0% |
| 6 | MSFT Microsoft Corp | Technology | 3,234 | $1.21M | 3.84% | -1,412 | -30.4% | Reduced | 0% |
| 7 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 2,420 | $1.16M | 3.69% | -27 | -1.1% | Reduced | 0% |
| 8 | AMZN Amazon Com Inc | Consumer Discretionary | 4,500 | $1.07M | 3.42% | -941 | -17.3% | Reduced | 0% |
| 9 | AVGO Broadcom Inc. | Technology | 2,058 | $777.41K | 2.48% | -371 | -15.3% | Reduced | 0% |
| 10 | MU Micron Technology Inc | Technology | 603 | $696.04K | 2.22% | -3 | -0.5% | Reduced | 0% |
| 11 | META Meta Platforms, Inc. | Technology | 1,130 | $636.52K | 2.03% | -395 | -25.9% | Reduced | 0% |
| 12 | TSLA Tesla, Inc. | Consumer Discretionary | 1,251 | $526.17K | 1.68% | -445 | -26.2% | Reduced | 0% |
| 13 | JPM Jpmorgan Chase & Co | Financial Services | 1,540 | $504.09K | 1.61% | -871 | -36.1% | Reduced | 0% |
| 14 | LLY ELI LILLY & Co | Healthcare | 419 | $502.56K | 1.6% | -10 | -2.3% | Reduced | 0% |
| 15 | AMAT Applied Materials Inc | Technology | 659 | $476.46K | 1.52% | -268 | -28.9% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Altar Rock.
As of its Q2 2026 13F filing, Altar Rock LLC’s five largest positions were Affiliated Managers Group, Inc. (AMG) at 11.6%, Spdr Gold Trust (GLD) at 10.8%, Nvidia Corp (NVDA) at 7.0%, Apple Inc. (AAPL) at 6.6%, Alphabet Inc. (GOOGL) at 4.4% of the reported portfolio.
Altar Rock LLC reported a 13F portfolio worth $31.40M across 60 positions for Q2 2026. That is down 39.6% from the previous quarter.
Its largest purchases by value were Advanced Micro Devices Inc ($404.89K), Amphenol Corp ($269.62K), Seagate Technology Holdings plc ($259.78K). It opened 20 new positions.
Its largest sales by value were Affiliated Managers Group, Inc. ($929.59K), Nvidia Corp ($784.55K), Apple Inc. ($748.86K). It exited 88 positions entirely.
From the Form 13F-HR reports Altar Rock 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.