Mariner, LLC reported 2,199 positions worth $56.45B for the quarter ended Jun 30, 2026, up 15.5% on the prior quarter. It opened 317 new positions, added to 1,016, trimmed 845 and exited 257. Its largest holding is Apple Inc. at 9.2% 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 | Trade Value | Weight |
|---|---|---|---|
| MU Micron Technology Inc | +423.6K +81.1% | $488.97M | 1.93% |
| JAZZ Jazz Pharmaceuticals plc | +568.6K +1,420.9% | $136.99M | 0.26% |
| TJX Tjx Companies Inc | +758.5K +45.4% | $114.91M | 0.652% |
| AMAT Applied Materials Inc | +147.8K +29.4% | $106.81M | 0.832% |
| CMI Cummins Inc | +149.5K +61.0% | $106.58M | 0.499% |
| AAPL Apple Inc. | +321.8K +1.8% | $93.11M | 9.23% |
| FAST Fastenal Co | +1.69M +40.3% | $81.31M | 0.502% |
| HONA Honeywell Aerospace Inc. | +217.6K | $48.10M | 0.085% |
| NFLX Netflix Inc | +583.0K +21.6% | $41.65M | 0.416% |
| CP Canadian Pacific Kansas City Ltd | +407.7K +335.4% | $35.33M | 0.081% |
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| GLW Corning Inc | -693.9K -19.5% | $177.25M | 1.3% |
| HD Home Depot, Inc. | -427.9K -38.0% | $150.91M | 0.437% |
| MSFT Microsoft Corp | -318.0K -5.5% | $118.63M | 3.61% |
| GEV GE Vernova Inc. | -90.5K -16.4% | $106.21M | 0.96% |
| LDOS Leidos Holdings, Inc. | -816.6K -93.8% | $84.10M | <0.01% |
| BSX Boston Scientific Corp | -1.52M -61.3% | $65.07M | 0.073% |
| NVDA Nvidia Corp | -229.1K -0.9% | $45.83M | 9.2% |
| VMC Vulcan Materials CO | -138.3K -87.5% | $40.80M | 0.01% |
| AMD Advanced Micro Devices Inc | -68.6K -9.2% | $39.82M | 0.698% |
| BKNG Booking Holdings Inc. | -220.3K -31.4% | $39.27M | 0.152% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| HONA Honeywell Aerospace Inc. | +217.6K | $48.10M | 0.085% |
| SPCX Space Exploration Technologies Corp | +78.4K | $13.39M | 0.024% |
| POOL Pool Corp | +59.7K | $12.83M | 0.023% |
| FDXF FedEx Freight Holding Company, Inc. | +84.8K | $12.81M | 0.023% |
| CBRS Cerebras Systems Inc. | +52.2K | $11.54M | 0.02% |
| U Unity Software Inc. | +397.6K | $11.36M | 0.02% |
| RVMD Revolution Medicines, Inc. | +43.8K | $8.20M | 0.015% |
| CAG Conagra Brands Inc. | +591.2K | $7.96M | 0.014% |
| DUOL Duolingo, Inc. | +58.8K | $6.77M | 0.012% |
| XYZ Block, Inc. | +65.5K | $4.98M | <0.01% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| CTSH Cognizant Technology Solutions Corp | -344.4K | $21.13M | 0.043% |
| KRMN Karman Holdings Inc. | -112.0K | $8.96M | 0.018% |
| WEX WEX Inc. | -54.6K | $8.36M | 0.017% |
| DD DuPont de Nemours, Inc. | -55.6K | $7.63M | 0.016% |
| KDP Keurig Dr Pepper Inc. | -283.3K | $7.46M | 0.015% |
| GWRE Guidewire Software, Inc. | -40.1K | $6.00M | 0.012% |
| MTZ Mastec Inc | -18.5K | $5.97M | 0.012% |
| GMED Globus Medical Inc | -62.9K | $5.42M | 0.011% |
| CACI Caci International Inc | -8,931 | $4.86M | <0.01% |
| TRU TransUnion | -68.8K | $4.76M | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 18.02M | $5.21B | 9.23% | +321.8K | +1.8% | Added | 0.12% |
| 2 | NVDA Nvidia Corp | Technology | 25.95M | $5.19B | 9.2% | -229.1K | -0.9% | Reduced | 0.11% |
| 3 | MSFT Microsoft Corp | Technology | 5.47M | $2.04B | 3.61% | -318.0K | -5.5% | Reduced | 0.07% |
| 4 | GOOGL Alphabet Inc. | Technology | 4.59M | $1.64B | 2.9% | -86.6K | -1.9% | Reduced | 0.08% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 6.57M | $1.57B | 2.78% | -107.8K | -1.6% | Reduced | 0.06% |
| 6 | AVGO Broadcom Inc. | Technology | 3.57M | $1.35B | 2.39% | +22.1K | +0.6% | Added | 0.07% |
| 7 | MU Micron Technology Inc | Technology | 945.8K | $1.09B | 1.93% | +423.6K | +81.1% | Added | 0.08% |
| 8 | JPM Jpmorgan Chase & Co | Financial Services | 3.16M | $1.03B | 1.83% | +73.0K | +2.4% | Added | 0.12% |
| 9 | GOOG Alphabet Inc. | Technology | 2.48M | $874.57M | 1.55% | -96.8K | -3.8% | Reduced | 0.04% |
| 10 | LLY ELI LILLY & Co | Healthcare | 716.8K | $859.89M | 1.52% | +22.9K | +3.3% | Added | 0.08% |
| 11 | META Meta Platforms, Inc. | Technology | 1.43M | $804.92M | 1.43% | +5,957 | +0.4% | Added | 0.06% |
| 12 | TSLA Tesla, Inc. | Consumer Discretionary | 1.89M | $796.54M | 1.41% | +15.7K | +0.8% | Added | 0.05% |
| 13 | GLW Corning Inc | Basic Materials | 2.87M | $732.79M | 1.3% | -693.9K | -19.5% | Reduced | 0.33% |
| 14 | BRK-B Berkshire Hathaway Inc | Financial Services | 1.24M | $622.92M | 1.1% | -11.2K | -0.9% | Reduced | 0.09% |
| 15 | GEV GE Vernova Inc. | Industrials | 461.7K | $542.12M | 0.96% | -90.5K | -16.4% | Reduced | 0.17% |
Tip. Select a row to see that position’s full history at Mariner.
As of its Q2 2026 13F filing, Mariner, LLC’s five largest positions were Apple Inc. (AAPL) at 9.2%, Nvidia Corp (NVDA) at 9.2%, Microsoft Corp (MSFT) at 3.6%, Alphabet Inc. (GOOGL) at 2.9%, Amazon Com Inc (AMZN) at 2.8% of the reported portfolio.
Mariner, LLC reported a 13F portfolio worth $56.45B across 2,199 positions for Q2 2026. That is up 15.5% from the previous quarter.
Its largest purchases by value were Micron Technology Inc ($488.97M), Jazz Pharmaceuticals plc ($136.99M), Tjx Companies Inc ($114.91M). It opened 317 new positions.
Its largest sales by value were Corning Inc ($177.25M), Home Depot, Inc. ($150.91M), Microsoft Corp ($118.63M). It exited 257 positions entirely.
From the Form 13F-HR reports Mariner, 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.