Round Rock Advisors LLC
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed April 7, 2026), Round Rock Advisors LLC reported 326 stock positions worth $664.8 million. Its top holding was Invesco QQQ Trust Series 1 (QQQ) at 7.5% of the portfolio, followed by JPMorgan Ultra-Short Income (JPST, 6.9%) and Vanguard High DVD Yield ETF (VYM, 6.6%). Compared with Q3 2025, it opened 44 new positions, sold out of 45, added to 155 and reduced 73. The biggest buy was Amer Cent SH Dur Strat (SDSI, shares +42%) and the biggest sale Invesco S&P 500 Equal Weight (RSP, shares −38%).
- Most Recent 13F
- Q2 2026
- Location
- WILTON, CT
- CIK
- 0001846991
- Portfolio Value
- $664.8M (Q4 2025)
- SEC Filing
- 0001951757-26-000520 ↗ filed Apr 7, 2026
Holdings Value
Holdings 326 stocks · $664.8M
| QQQ Invesco QQQ Trust Series 1 | 7.49% | 81,102 | $49.8M | Add +0.6% |
| JPST JPMorgan Ultra-Short Income | 6.86% | 900,926 | $45.6M | Add +2.4% |
| VYM Vanguard High DVD Yield ETF | 6.64% | 307,633 | $44.2M | Add +1.5% |
| SMH Vaneck Semiconductor ETF | 4.78% | 88,265 | $31.8M | Reduce -1.9% |
| IJR iShares Core S&P Small-Cap E | 4.37% | 241,647 | $29.0M | Add +1.4% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 4.14% | 94,747 | $27.5M | Add +1.2% |
| AAPL Apple Inc. | 2.74% | 66,993 | $18.2M | Reduce -4.5% |
| XLI SS Industrial Select Sector | 2.59% | 111,086 | $17.2M | Add +1.3% |
| XLV SS Health Care Select Sector | 2.40% | 103,227 | $16.0M | Add +3.3% |
| DVY iShares Select Dividend ETF | 2.35% | 110,913 | $15.7M | Add +2.7% |
| MSFT Microsoft Corp. | 2.32% | 31,900 | $15.4M | Reduce -5.9% |
| BRK.A Berkshire Hathaway Inc. Class A | 2.16% | 19 | $14.3M | Reduce -5.0% |
| SDSI Amer Cent SH Dur Strat Inc. | 1.85% | 237,893 | $12.3M | Add +42.2% |
| GOOG Alphabet Inc. Class C | 1.76% | 37,261 | $11.7M | Reduce -7.3% |
| NBSD Neuberger Short Duration Inc. | 1.75% | 226,835 | $11.6M | Add +35.1% |
| AMZN Amazon.com Inc. | 1.34% | 38,518 | $8.9M | Add +2.3% |
| RSP Invesco S&P 500 Equal Weight | 1.29% | 44,909 | $8.6M | Reduce -37.6% |
| XLK SS Technology Select Sector | 1.29% | 59,415 | $8.6M | Reduce -2.8% |
| SPY SS SPDR S&P 500 ETF Trust-US | 1.24% | 12,069 | $8.2M | Reduce -6.6% |
| XLU St Sr Utl SL SE SPDR ETF-Usd | 0.78% | 121,346 | $5.2M | Add +6.8% |
| ABBV Abbvie Inc. | 0.67% | 19,612 | $4.5M | Add +0.2% |
| NVDA Nvidia Corp. | 0.67% | 23,778 | $4.4M | Add +1.0% |
| USMV iShares MSCI USA Min Vol Fac | 0.65% | 45,938 | $4.3M | Reduce -4.3% |
| ICE Intercontinental Exchange Inc. | 0.63% | 26,036 | $4.2M | Add +0.0% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.60% | 13,423 | $4.0M | Reduce -15.0% |
| IVW iShares S&P 500 Growth ETF | 0.58% | 31,302 | $3.9M | Add +0.4% |
| XOM Exxon Mobil Corp. | 0.58% | 32,027 | $3.9M | Add +0.5% |
| COF Capital One Financial Corp. | 0.53% | 14,508 | $3.5M | Add +0.2% |
| QQQM Invesco Nasdaq 100 ETF | 0.53% | 13,892 | $3.5M | Add +0.2% |
| UNH Unitedhealth Group Inc. | 0.50% | 10,091 | $3.3M | Reduce -0.2% |
| GOOGL Alphabet Inc. Class A | 0.48% | 10,139 | $3.2M | Add +2.0% |
| CB Chubb Ltd. | 0.41% | 8,741 | $2.7M | Add +0.1% |
| APD Air Products & Chemicals Inc. | 0.41% | 10,982 | $2.7M | Add +0.1% |
| IBDR iShares Ibonds Dec 2026 Term | 0.40% | 109,909 | $2.7M | Add +0.2% |
| FEIM Frequency Electronics Inc. | 0.39% | 48,595 | $2.6M | Add +152.5% |
| WMB Williams Cos Inc. | 0.39% | 42,776 | $2.6M | Add +0.0% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.37% | 4,944 | $2.5M | Add +28.6% |
| XLE SS Energy Select Sector | 0.37% | 54,634 | $2.4M | Reduce -12.6% |
| APH Amphenol Corp. Class A | 0.34% | 16,687 | $2.3M | Add +0.2% |
| ELV Elevance Health Inc. | 0.34% | 6,431 | $2.3M | No change |
| CVX Chevron Corp. | 0.33% | 14,395 | $2.2M | Reduce -1.6% |
| IBDS Ishrs Ibnds Dec 27 Corp. ETF | 0.32% | 86,708 | $2.1M | Add +12.3% |
| EZBC Franklin Bitcoin ETF | 0.31% | 41,264 | $2.1M | New |
| VIG Vanguard Dividend Apprec ETF | 0.31% | 9,331 | $2.1M | Reduce -0.4% |
| JEPI JPMorgan Equity Premium Inco | 0.31% | 35,447 | $2.0M | Add +2.5% |
| VGT Vanguard Info Tech ETF | 0.30% | 2,673 | $2.0M | Reduce -0.2% |
| C Citigroup Inc. | 0.30% | 17,110 | $2.0M | Add +0.1% |
| JNJ Johnson & Johnson | 0.30% | 9,629 | $2.0M | Add +0.4% |
| IVV iShares Core S&P 500 ETF | 0.29% | 2,824 | $1.9M | Add +8.7% |
| HON Honeywell International Inc. | 0.29% | 9,882 | $1.9M | Add +0.1% |
| LBRT Liberty Energy Inc. | 0.29% | 104,213 | $1.9M | Add +65.3% |
| IDR Idaho Strategic Resources Inc. | 0.27% | 43,828 | $1.8M | Add +45.0% |
| PLUS Eplus Inc. | 0.27% | 20,099 | $1.8M | Add +31.4% |
| JPM JPMorgan Chase & Co. | 0.25% | 5,101 | $1.6M | Add +1.4% |
| TDOC Teladoc Health Inc. | 0.24% | 232,365 | $1.6M | Add +36.4% |
| PLPC Preformed Line Products Co. | 0.24% | 7,805 | $1.6M | Add +66.0% |
| VV Vngrd Mrgstr LRG-Cap ETF-Usd | 0.24% | 5,049 | $1.6M | Reduce -0.1% |
| LZ Legalzoomcom Inc. | 0.24% | 159,579 | $1.6M | Add +62.6% |
| VOO Vanguard S&P 500 ETF | 0.24% | 2,518 | $1.6M | Add +0.8% |
| DIA SS SPDR Dow Jones Indus Avg filed as SPDR DOW JONES INDL AVERAGE | 0.24% | 3,265 | $1.6M | Add +0.5% |
| SPOT Spotify Technology SA | 0.23% | 2,664 | $1.5M | New |
| AEM Agnico Eagle Mines Ltd. | 0.22% | 8,800 | $1.5M | Reduce -16.2% |
| NXPI NXP Semiconductors NV | 0.22% | 6,808 | $1.5M | Add +0.1% |
| VCSH Vanguard S/T Corp. Bond ETF | 0.22% | 18,113 | $1.4M | Reduce -2.8% |
| PKE Park Aerospace Corp. | 0.22% | 67,580 | $1.4M | Add +64.5% |
| PEP Pepsico Inc. | 0.22% | 10,033 | $1.4M | Reduce -1.0% |
| HAPN Happen Inc. filed as LENDINGCLUB CORP | 0.22% | 75,504 | $1.4M | Add +58.9% |
| BN Brookfield Corp. | 0.21% | 30,712 | $1.4M | No change |
| META Meta Platforms Inc. Class A | 0.21% | 2,095 | $1.4M | Add +0.1% |
| SHLS Shoals Technologies Group -A | 0.21% | 162,197 | $1.4M | Add +190.8% |
| ANET Arista Networks Inc. | 0.21% | 10,512 | $1.4M | Add +0.2% |
| USLM United States Lime & Mineral | 0.20% | 10,887 | $1.3M | Add +69.6% |
| WMT Walmart Inc. | 0.19% | 11,622 | $1.3M | Reduce -0.7% |
| ORCL Oracle Corp. | 0.19% | 6,515 | $1.3M | Add +0.5% |
| HZO Marinemax Inc. | 0.19% | 51,996 | $1.3M | Add +35.2% |
| MU Micron Technology Inc. | 0.19% | 4,333 | $1.2M | Add +0.6% |
| GS Goldman Sachs Group Inc. | 0.19% | 1,404 | $1.2M | Reduce -0.6% |
| EPD Enterprise Products Partners | 0.19% | 38,435 | $1.2M | No change |
| ARRY Array Technologies Inc. | 0.19% | 133,498 | $1.2M | Add +54.0% |
| TE T1 Energy Inc. | 0.18% | 179,481 | $1.2M | Reduce -7.1% |
| CVS CVS Health Corp. | 0.18% | 15,071 | $1.2M | Add +0.2% |
| ALNT Allient Inc. | 0.18% | 22,189 | $1.2M | Add +48.7% |
| SUSA iShares ESG Optimized MSCI U | 0.18% | 8,527 | $1.2M | Reduce -1.0% |
| RTX RTX Corp. | 0.18% | 6,445 | $1.2M | Reduce -1.2% |
| VTOL Bristow Group Inc. | 0.18% | 31,782 | $1.2M | Add +177.5% |
| JEPQ JPM Nasdaq Equity Premium filed as J P MORGAN EXCHANGE TRADED F | 0.17% | 19,365 | $1.1M | Add +2.2% |
| EFAV iShares MSCI Eafe Min Vol Fa | 0.17% | 12,946 | $1.1M | Reduce -1.8% |
| IJH iShares Core S&P Midcap ETF | 0.17% | 16,831 | $1.1M | No change |
| MYFW First Western Financial Inc. | 0.17% | 41,081 | $1.1M | Add +125.6% |
| NPKI NPK International Inc. | 0.17% | 92,114 | $1.1M | Add +85.9% |
| NEOG Neogen Corp. | 0.17% | 156,967 | $1.1M | Add +520.8% |
| MMM 3M Co. | 0.16% | 6,847 | $1.1M | Reduce -0.3% |
| VBK Van Morst SML-Cap Gro-Usd Inc. | 0.16% | 3,621 | $1.1M | No change |
| BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP | 0.16% | 9,413 | $1.1M | Add +0.2% |
| MYRG MYR Group Inc./Delaware | 0.16% | 4,996 | $1.1M | Add +59.9% |
| REX Rex American Resources Corp. | 0.16% | 33,263 | $1.1M | Add +49.2% |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.16% | 5,625 | $1.1M | Add +2.5% |
| CRMD Cormedix Inc. | 0.16% | 92,004 | $1.1M | New |
| OPY Oppenheimer Holdings Class A | 0.16% | 14,539 | $1.1M | Add +62.9% |
| ODC Oil-Dri Corp. of America | 0.16% | 21,404 | $1.0M | Add +72.1% |
Portfolio Sells Q3 2025 → Q4 2025
| RSP Invesco S&P 500 Equal Weight | Reduce -37.6% | 1.29% | −0.87 |
| ITT Itt Inc. | Sold out | 0.00% | −0.58 |
| MSFT Microsoft Corp. | Reduce -5.9% | 2.32% | −0.46 |
| IBDQ iShares Ibonds Dec 2025 Term | Sold out | 0.00% | −0.42 |
| TSLA Tesla Inc. | Reduce -73.3% | 0.11% | −0.32 |
| BRK.A Berkshire Hathaway Inc. Class A | Reduce -5.0% | 2.16% | −0.23 |
| AAMI Acadian Asset Management Inc. | Sold out | 0.00% | −0.17 |
| CIFR Cipher Digital Inc. | Sold out | 0.00% | −0.15 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -6.6% | 1.24% | −0.13 |
| SWIM Latham Group Inc. | Reduce -28.6% | 0.16% | −0.12 |
| NFLX Netflix Inc. | Reduce -27.2% | 0.14% | −0.12 |
| IBM Intl Business Machines Corp. | Reduce -15.0% | 0.60% | −0.11 |
| XYL Xylem Inc. | Sold out | 0.00% | −0.11 |
| STZ Constellation Brands Inc. Class A | Sold out | 0.00% | −0.10 |
| SSRM SSR Mining Inc. | Sold out | 0.00% | −0.10 |
| TILE Interface Inc. | Sold out | 0.00% | −0.09 |
| AAPL Apple Inc. | Reduce -4.5% | 2.74% | −0.09 |
| ESE Esco Technologies Inc. | Sold out | 0.00% | −0.09 |
| XLK SS Technology Select Sector | Reduce -2.8% | 1.29% | −0.08 |
| XLE SS Energy Select Sector | Reduce -12.6% | 0.37% | −0.07 |
| IIIN Insteel Industries Inc. | Sold out | 0.00% | −0.07 |
| USMV iShares MSCI USA Min Vol Fac | Reduce -4.3% | 0.65% | −0.07 |
| RUSHA Rush Enterprises Inc. Class A | Sold out | 0.00% | −0.07 |
| SCSC Scansource Inc. | Sold out | 0.00% | −0.07 |
| ONEQ Fidelity Nasdaq Comp Indx | Reduce -64.8% | 0.04% | −0.07 |
| CMCSA Comcast Corp. Class A | Reduce -37.1% | 0.09% | −0.07 |
| STRL Sterling Infrastructure Inc. | Sold out | 0.00% | −0.06 |
| RH RH | Sold out | 0.00% | −0.06 |
| EVTC Evertec Inc. | Sold out | 0.00% | −0.06 |
| AZZ Azz Inc. | Sold out | 0.00% | −0.06 |
| AEM Agnico Eagle Mines Ltd. | Reduce -16.2% | 0.22% | −0.06 |
| OFG Ofg Bancorp | Sold out | 0.00% | −0.05 |
| DD Dupont DE Nemours Inc. | Sold out | 0.00% | −0.05 |
| UNH Unitedhealth Group Inc. | Reduce -0.2% | 0.50% | −0.05 |
| BUSE First Busey Corp. | Sold out | 0.00% | −0.05 |
| IMKTA Ingles Markets Inc. Class A | Sold out | 0.00% | −0.05 |
| INSW International Seaways Inc. | Sold out | 0.00% | −0.05 |
| OSW Onespaworld Holdings Ltd. | Sold out | 0.00% | −0.05 |
| UPLD Upland Software Inc. | Reduce -52.2% | 0.02% | −0.05 |
| VCEL Vericel Corp. | Sold out | 0.00% | −0.04 |
| ITGR Integer Holdings Corp. | Sold out | 0.00% | −0.04 |
| HD Home Depot Inc. | Reduce -14.1% | 0.10% | −0.04 |
| IUSG iShares Core S&P U.S. Growth | Sold out | 0.00% | −0.04 |
| NCNO Ncino Inc. | Sold out | 0.00% | −0.04 |
| CCS Century Communities Inc. | Sold out | 0.00% | −0.04 |
| CENTA Central Garden and Pet Co. Class A | Sold out | 0.00% | −0.04 |
| RBBN Ribbon Communications Inc. | Sold out | 0.00% | −0.04 |
| KODK Eastman Kodak Co. | Sold out | 0.00% | −0.04 |
| DORM Dorman Products Inc. | Sold out | 0.00% | −0.04 |
| BBSI Barrett Business SVCS Inc. | Sold out | 0.00% | −0.04 |
Portfolio Buys Q3 2025 → Q4 2025
| SDSI Amer Cent SH Dur Strat Inc. | Add +42.2% | 1.85% | +0.48 |
| NBSD Neuberger Short Duration Inc. | Add +35.1% | 1.75% | +0.39 |
| EZBC Franklin Bitcoin ETF | New | 0.31% | +0.31 |
| FEIM Frequency Electronics Inc. | Add +152.5% | 0.39% | +0.27 |
| SPOT Spotify Technology SA | New | 0.23% | +0.23 |
| XLV SS Health Care Select Sector | Add +3.3% | 2.40% | +0.20 |
| LBRT Liberty Energy Inc. | Add +65.3% | 0.29% | +0.17 |
| CRMD Cormedix Inc. | New | 0.16% | +0.16 |
| NEOG Neogen Corp. | Add +520.8% | 0.17% | +0.14 |
| SHLS Shoals Technologies Group -A | Add +190.8% | 0.21% | +0.14 |
| BITF Bitfarms Ltd./Canada | New | 0.12% | +0.12 |
| BKSY Blacksky Technology Inc. | New | 0.10% | +0.10 |
| IDR Idaho Strategic Resources Inc. | Add +45.0% | 0.27% | +0.10 |
| MYFW First Western Financial Inc. | Add +125.6% | 0.17% | +0.10 |
| VTOL Bristow Group Inc. | Add +177.5% | 0.18% | +0.10 |
| CECO Ceco Environmental Corp. | New | 0.10% | +0.10 |
| GOOGL Alphabet Inc. Class A | Add +2.0% | 0.48% | +0.09 |
| GETY Getty Images Holdings Inc. | New | 0.09% | +0.09 |
| PLUS Eplus Inc. | Add +31.4% | 0.27% | +0.09 |
| PKE Park Aerospace Corp. | Add +64.5% | 0.22% | +0.09 |
| CERS Cerus Corp. | New | 0.08% | +0.08 |
| HAPN Happen Inc. | Add +58.9% | 0.22% | +0.08 |
| MD Pediatrix Medical Group Inc. | Add +150.8% | 0.12% | +0.08 |
| TCMD Tactile Systems Technology I | Add +62.8% | 0.12% | +0.08 |
| OMCL Omnicell Inc. | Add +53.4% | 0.14% | +0.08 |
| LZ Legalzoomcom Inc. | Add +62.6% | 0.24% | +0.08 |
| CWAN Clearwater Analytics HDS-A | New | 0.07% | +0.07 |
| EYE National Vision Holdings Inc. | New | 0.07% | +0.07 |
| MU Micron Technology Inc. | Add +0.6% | 0.19% | +0.07 |
| APPS Digital Turbine Inc. | New | 0.07% | +0.07 |
| REAL The Realreal Inc. | New | 0.07% | +0.07 |
| IBDT iShares Ibonds Dec 2028 ETF | New | 0.07% | +0.07 |
| CODA Coda Octopus Group Inc. | New | 0.07% | +0.07 |
| PLPC Preformed Line Products Co. | Add +66.0% | 0.24% | +0.07 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +28.6% | 0.37% | +0.07 |
| NPKI NPK International Inc. | Add +85.9% | 0.17% | +0.06 |
| ARRY Array Technologies Inc. | Add +54.0% | 0.19% | +0.06 |
| NWPX NWPX Infrastructure Inc. | Add +52.9% | 0.15% | +0.06 |
| CPSH CPS Technologies Corp. | Add +316.7% | 0.09% | +0.06 |
| OPY Oppenheimer Holdings Class A | Add +62.9% | 0.16% | +0.06 |
| MYRG MYR Group Inc./Delaware | Add +59.9% | 0.16% | +0.06 |
| CRM Salesforce Inc. | New | 0.06% | +0.06 |
| BUFQ FT VST Lad NSDQ Buf ETF-Usdi | New | 0.06% | +0.06 |
| CCLD Carecloud Inc. | Add +206.2% | 0.10% | +0.06 |
| SLV iShares Silver Trust | New | 0.06% | +0.06 |
| USLM United States Lime & Mineral | Add +69.6% | 0.20% | +0.06 |
| CDRE Cadre Holdings Inc. | New | 0.06% | +0.06 |
| TDUP Thredup Inc. Class A | New | 0.06% | +0.06 |
| ESPR Esperion Therapeutics Inc. | New | 0.06% | +0.06 |
| CHCT Community Healthcare Trust I | New | 0.06% | +0.06 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 318 | $776.4M | QQQ, SMH, VYM, JPST, IJR |
| Q1 2026 | 318 | $653.5M | VYM, QQQ, JPST, SMH, IJR |
| Q4 2025Amended | 326 | $664.8M | QQQ, JPST, VYM, SMH, IJR |
| Q3 2025 | 327 | $631.2M | QQQ, JPST, VYM, SMH, IJR |
| Q2 2025 | 215 | $579.7M | JPST, QQQ, VYM, SMH, VO |
| Q1 2025 | 216 | $539.2M | JPST, VYM, QQQ, VO, IJR |
| Q4 2024 | 217 | $487.5M | JPST, QQQ, VYM, AAPL, IJR |
| Q3 2024 | 183 | $427.8M | VYM, QQQ, IJR, VO, AAPL |
| Q2 2024 | 180 | $410.7M | QQQ, VYM, IJR, SMH, VO |
| Q1 2024 | 190 | $417.4M | VYM, QQQ, VO, IJR, SMH |