Mariner, LLC
Long book
$85.65B
Q1 2026
Positions
3545
Top-10 weight
27%
concentration
Last quarter
+12.8%
SPY +14.8%
Turnover
20%
of book per quarter
Strategy in plain words
auto-generated from filingsMariner, LLC is a mechanically diversified allocator, running a $85.65B US long book across 3545 positions.
The portfolio is moderately concentrated (top 10 ≈ 27% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: NVIDIA CORP, APPLE INC, ISHARES CORE S&P 500 ETF, VANGUARD FTSE DEVELOPED ETF, MICROSOFT CORP.
Over the last 9 quarters its long book ran on average 0.4pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+3.2%
Q2 2024
+6.3%
Q3 2024
+1.2%
Q4 2024
-3.6%
Q1 2025
+9.5%
Q2 2025
+8.1%
Q3 2025
+2.2%
Q4 2025
-2.6%
Q1 2026
+12.8%
Sector allocation
Technology 42%
Financials 12%
Industrials 11%
Consumer discretionary 10%
Healthcare 8%
Services media 4%
Energy 3%
Utilities 3%
Long book by quarter
What does Mariner, LLC own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 26.2M | $4.57B | 5.3% | +2.7% |
| AAPL APPLE INC | Technology | 17.7M | $4.49B | 5.2% | +2.5% |
| MSFT MICROSOFT CORP | Technology | 5.8M | $2.14B | 2.5% | +7.7% |
| AMZN AMAZON.COM INC | Consumer discretionary | 6.7M | $1.39B | 1.6% | +6.7% |
| GOOGL ALPHABET INC-CL A | Technology | 4.7M | $1.34B | 1.6% | +5.7% |
| AVGO BROADCOM INC | Technology | 3.5M | $1.10B | 1.3% | -8.4% |
| JPM JPMORGAN CHASE & CO | Financials | 3.1M | $907.6M | 1.1% | +1.9% |
| META META PLATFORMS INC-CLASS A | Technology | 1.4M | $813.8M | 1.0% | -3.0% |
| GOOG ALPHABET INC-CL C | Technology | 2.6M | $737.8M | 0.9% | +7.7% |
| TSLA TESLA INC | Industrials | 1.9M | $698.1M | 0.8% | +2.9% |
| LLY ELI LILLY & CO | Healthcare | 693.9K | $638.0M | 0.7% | +4.5% |
| WMT WALMART INC | Consumer discretionary | 4.9M | $610.1M | 0.7% | +4.8% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 1.3M | $601.9M | 0.7% | +3.3% |
| APO APOLLO GLOBAL MANAGEMENT INC | Financials | 4.6M | $517.5M | 0.6% | +90.9% |
| GLW CORNING INC | Industrials | 3.6M | $484.3M | 0.6% | +1.2% |
| GEV GE VERNOVA INC | Industrials | 552.2K | $481.7M | 0.6% | +10.6% |
| JNJ JOHNSON & JOHNSON | Healthcare | 1.9M | $471.3M | 0.6% | +1.5% |
| XOM EXXON MOBIL CORP | Energy | 2.6M | $438.4M | 0.5% | +1.1% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 437.1K | $435.5M | 0.5% | +10.3% |
| PG PROCTER & GAMBLE CO/THE | Other | 2.9M | $424.7M | 0.5% | +3.8% |
| AMGN AMGEN INC | Healthcare | 1.1M | $378.7M | 0.4% | +0.5% |
| HD HOME DEPOT INC | Consumer discretionary | 1.1M | $370.7M | 0.4% | -0.2% |
| CVX CHEVRON CORP | Energy | 1.7M | $344.5M | 0.4% | +2.6% |
| MRK MERCK & CO. INC. | Healthcare | 2.8M | $336.2M | 0.4% | +1.5% |
| V VISA INC-CLASS A SHARES | Services media | 1.1M | $320.2M | 0.4% | +4.8% |
| MA MASTERCARD INC - A | Services media | 634.9K | $317.2M | 0.4% | -2.1% |
| PNC PNC FINANCIAL SERVICES GROUP | Financials | 1.5M | $302.1M | 0.4% | +6.1% |
| NEE NEXTERA ENERGY INC | Utilities | 3.2M | $296.6M | 0.3% | +0.9% |
| PLTR PALANTIR TECHNOLOGIES INC-A | Technology | 2.0M | $286.9M | 0.3% | +56.7% |
| ABBV ABBVIE INC | Healthcare | 1.3M | $286.2M | 0.3% | -3.9% |
| TJX TJX COMPANIES INC | Consumer discretionary | 1.7M | $266.9M | 0.3% | +11.4% |
| MCD MCDONALD'S CORP | Consumer discretionary | 837.9K | $260.4M | 0.3% | -1.0% |
| NFLX NETFLIX INC | Services media | 2.7M | $259.9M | 0.3% | +62.8% |
| NDAQ NASDAQ INC | Financials | 3.0M | $252.3M | 0.3% | +3.3% |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 350 | $251.3M | 0.3% | +1.2% |
| CRWD CROWDSTRIKE HOLDINGS INC - A | Technology | 624.4K | $243.7M | 0.3% | +16.2% |
| SYK STRYKER CORP | Healthcare | 726.7K | $238.8M | 0.3% | +19.8% |
| CAT CATERPILLAR INC | Industrials | 320.7K | $227.2M | 0.3% | -0.7% |
| PSX PHILLIPS 66 | Energy | 1.2M | $222.7M | 0.3% | +3.6% |
| LIN LINDE PLC | Materials | 444.5K | $220.4M | 0.3% | +13.0% |
| SCHW SCHWAB (CHARLES) CORP | Financials | 2.1M | $199.3M | 0.2% | +282.5% |
| TDY TELEDYNE TECHNOLOGIES INC | Technology | 329.2K | $199.1M | 0.2% | +4.7% |
| CDNS CADENCE DESIGN SYS INC | Technology | 711.1K | $197.5M | 0.2% | -1.4% |
| FAST FASTENAL CO | Consumer discretionary | 4.2M | $195.1M | 0.2% | +161.8% |
| LRCX LAM RESEARCH CORP | Industrials | 907.9K | $193.9M | 0.2% | -1.5% |
| CSCO CISCO SYSTEMS INC | Technology | 2.4M | $186.9M | 0.2% | +0.4% |
| KLAC KLA CORP | Other | 124.8K | $183.6M | 0.2% | -18.6% |
| MU MICRON TECHNOLOGY INC | Technology | 522.2K | $176.4M | 0.2% | +43.3% |
| TT TRANE TECHNOLOGIES PLC | Technology | 413.8K | $172.4M | 0.2% | -1.4% |
| AMAT APPLIED MATERIALS INC | Technology | 502.1K | $171.5M | 0.2% | +62.6% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 13, 2026 | 5619 | $85.65B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 5567 | $83.99B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 5558 | $77.39B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 5449 | $69.28B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 5370 | $60.10B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 13, 2025 | 5272 | $59.55B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 5147 | $56.36B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 4978 | $51.58B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 4944 | $48.36B | canonical | SEC ↗ |
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