Round Rock Advisors LLC
Long book
$653.5M
Q1 2026
Positions
318
Top-10 weight
45%
concentration
Last quarter
+15.3%
SPY +14.8%
Turnover
23%
of book per quarter
Strategy in plain words
auto-generated from filingsRound Rock Advisors LLC is a wealth-management firm allocating client money, running a $653.5M US long book across 318 positions.
The portfolio is moderately concentrated (top 10 ≈ 45% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: VANGUARD HIGH DVD YIELD ETF, INVESCO QQQ TRUST SERIES 1, JPMORGAN ULTRA-SHORT INCOME, VANECK SEMICONDUCTOR ETF, ISHARES CORE S&P SMALL-CAP E.
Over the last 9 quarters its long book ran on average 0.3pp per quarter behind the S&P 500, beating the index in 5 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
+2.8%
Q2 2024
+6.1%
Q3 2024
+0.5%
Q4 2024
-2.2%
Q1 2025
+6.5%
Q2 2025
+6.7%
Q3 2025
+2.9%
Q4 2025
-0.8%
Q1 2026
+15.3%
Sector allocation
Technology 31%
Financials 18%
Industrials 13%
Healthcare 11%
Consumer discretionary 7%
Energy 5%
Materials 4%
Services media 3%
Long book by quarter
What does Round Rock own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| AAPL APPLE INC | Technology | 66.8K | $17.0M | 2.6% | -0.3% |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 19 | $13.6M | 2.1% | Held |
| MSFT MICROSOFT CORP | Technology | 31.8K | $11.8M | 1.8% | -0.2% |
| GOOG ALPHABET INC-CL C | Technology | 37.2K | $10.7M | 1.6% | -0.1% |
| AMZN AMAZON.COM INC | Consumer discretionary | 34.1K | $7.1M | 1.1% | -11.5% |
| XOM EXXON MOBIL CORP | Energy | 31.7K | $5.4M | 0.8% | -1.1% |
| NVDA NVIDIA CORP | Technology | 23.8K | $4.1M | 0.6% | 0.0% |
| ABBV ABBVIE INC | Healthcare | 18.1K | $3.9M | 0.6% | -7.8% |
| ICE INTERCONTINENTAL EXCHANGE IN | Financials | 23.9K | $3.8M | 0.6% | -8.4% |
| WMB WILLIAMS COS INC | Utilities | 42.8K | $3.1M | 0.5% | Held |
| APD AIR PRODUCTS & CHEMICALS INC | Materials | 10.1K | $2.9M | 0.5% | -7.7% |
| CVX CHEVRON CORP | Energy | 13.4K | $2.8M | 0.4% | -7.2% |
| GOOGL ALPHABET INC-CL A | Technology | 9.6K | $2.7M | 0.4% | -5.7% |
| IBM INTL BUSINESS MACHINES CORP | Technology | 11.2K | $2.7M | 0.4% | -16.5% |
| CB CHUBB LTD | Financials | 7.9K | $2.6M | 0.4% | -9.4% |
| JNJ JOHNSON & JOHNSON | Healthcare | 10.5K | $2.6M | 0.4% | +8.6% |
| UNH UNITEDHEALTH GROUP INC | Financials | 9.4K | $2.5M | 0.4% | -7.3% |
| COF CAPITAL ONE FINANCIAL CORP | Financials | 13.1K | $2.4M | 0.4% | -9.7% |
| NEOG NEOGEN CORP | Materials | 242.1K | $2.2M | 0.3% | +54.3% |
| LBRT LIBERTY ENERGY INC | Energy | 74.8K | $2.2M | 0.3% | -28.2% |
| APH AMPHENOL CORP-CL A | Technology | 16.8K | $2.1M | 0.3% | +0.6% |
| FEIM FREQUENCY ELECTRONICS INC | Technology | 46.1K | $2.0M | 0.3% | -5.2% |
| C CITIGROUP INC | Financials | 18.0K | $2.0M | 0.3% | +5.1% |
| HON HONEYWELL INTERNATIONAL INC | Industrials | 9.0K | $2.0M | 0.3% | -9.2% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 3.9K | $1.9M | 0.3% | -20.3% |
| VTOL BRISTOW GROUP INC | Industrials | 40.0K | $1.9M | 0.3% | +25.8% |
| PKE PARK AEROSPACE CORP | Industrials | 67.8K | $1.9M | 0.3% | +0.3% |
| SSYS STRATASYS LTD | Technology | 223.9K | $1.7M | 0.3% | New |
| ELV ELEVANCE HEALTH INC | Financials | 5.8K | $1.7M | 0.3% | -9.1% |
| HZO MARINEMAX INC | Consumer discretionary | 62.5K | $1.7M | 0.3% | +20.2% |
| CPSH CPS TECHNOLOGIES CORP | Industrials | 435.5K | $1.6M | 0.2% | +127.6% |
| PEP PEPSICO INC | Consumer staples | 10.1K | $1.6M | 0.2% | +0.6% |
| JPM JPMORGAN CHASE & CO | Financials | 5.3K | $1.5M | 0.2% | +2.9% |
| REX REX AMERICAN RESOURCES CORP | Other | 33.4K | $1.5M | 0.2% | +0.5% |
| PLUS EPLUS INC | Consumer discretionary | 20.2K | $1.5M | 0.2% | +0.5% |
| EPD ENTERPRISE PRODUCTS PARTNERS | Utilities | 38.4K | $1.5M | 0.2% | Held |
| TMS TEAMSHARES INC | Consumer discretionary | 136.7K | $1.4M | 0.2% | New |
| IDR IDAHO STRATEGIC RESOURCES IN | Materials | 44.0K | $1.4M | 0.2% | +0.4% |
| NBBK NB BANCORP INC | Financials | 66.5K | $1.4M | 0.2% | +28.1% |
| TRNS TRANSCAT INC | Technology | 19.0K | $1.4M | 0.2% | +22.6% |
| BKSY BLACKSKY TECHNOLOGY INC | Technology | 54.5K | $1.4M | 0.2% | +49.9% |
| AEM AGNICO EAGLE MINES LTD | Materials | 6.7K | $1.4M | 0.2% | -24.3% |
| NPKI NPK INTERNATIONAL INC | Services media | 92.5K | $1.3M | 0.2% | +0.4% |
| CODA CODA OCTOPUS GROUP INC | Technology | 117.4K | $1.3M | 0.2% | +134.6% |
| ALNT ALLIENT INC | Technology | 22.3K | $1.3M | 0.2% | +0.3% |
| OPY OPPENHEIMER HOLDINGS-CL A | Financials | 14.6K | $1.3M | 0.2% | +0.5% |
| SPOT SPOTIFY TECHNOLOGY SA | Communications | 2.7K | $1.3M | 0.2% | 0.0% |
| NWPX NWPX INFRASTRUCTURE INC | Industrials | 16.5K | $1.3M | 0.2% | +0.5% |
| ANET ARISTA NETWORKS INC | Technology | 10.4K | $1.3M | 0.2% | -0.9% |
| TDOC TELADOC HEALTH INC | Healthcare | 233.9K | $1.3M | 0.2% | +0.6% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 318 | $653.5M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR/ARESTATEMENT | Apr 7, 2026 | 326 | $664.8M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 27, 2026 | 324 | $665.1M | SEC ↗ | |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 327 | $631.2M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 6, 2025 | 215 | $579.7M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 30, 2025 | 216 | $539.2M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 24, 2025 | 217 | $487.5M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 4, 2024 | 183 | $427.8M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 2, 2024 | 180 | $410.7M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 24, 2024 | 190 | $417.4M | canonical | SEC ↗ |