Round Rock Advisors Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$653.5M
Q ending 2026-03-31
Prior quarter
$664.8M
Q ending 2025-12-31
Change
-1.7% QoQ · +21.2% YoY
Positions
318
reported holdings
Largest positions
Top 100 of 318 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Vanguard Whitehall Fds | VYM | Shares | $46.3M | 313K |
| Invesco Qqq Tr | QQQ | Shares | $46.2M | 80K |
| J P Morgan Exchange Traded F | JPST | Shares | $45.9M | 906K |
| Vaneck Etf Trust | SMH | Shares | $33.3M | 87K |
| Ishares Tr | IJR | Shares | $29.7M | 239K |
| Vanguard Index Fds | VO | Shares | $27.6M | 96K |
| Select Sector Spdr Tr | XLI | Shares | $18.2M | 113K |
| Ishares Tr | DVY | Shares | $17.4M | 115K |
| Apple Inc | AAPL | Shares | $17.0M | 67K |
| Select Sector Spdr Tr | XLV | Shares | $15.8M | 108K |
| American Centy Etf Tr | SDSI | Shares | $14.7M | 288K |
| Berkshire Hathaway Inc Del | BRK/A | Shares | $13.6M | 19 |
| Neuberger Berman Etf Trust | NBSD | Shares | $12.6M | 248K |
| Microsoft Corp | MSFT | Shares | $11.8M | 32K |
| Alphabet Inc | GOOG | Shares | $10.7M | 37K |
| Invesco Exchange Traded Fd T | RSP | Shares | $8.6M | 45K |
| Select Sector Spdr Tr | XLK | Shares | $7.7M | 58K |
| Amazon Com Inc | AMZN | Shares | $7.1M | 34K |
| Select Sector Spdr Tr | XLU | Shares | $5.8M | 126K |
| State Str Spdr S&P 500 Etf T | SPY | Shares | $5.7M | 9K |
| Exxon Mobil Corp | XOM | Shares | $5.4M | 32K |
| Ishares Tr | USMV | Shares | $4.2M | 46K |
| Nvidia Corporation | NVDA | Shares | $4.1M | 24K |
| Abbvie Inc | ABBV | Shares | $3.9M | 18K |
| Intercontinental Exchange In | ICE | Shares | $3.8M | 24K |
| Ishares Tr | IVW | Shares | $3.5M | 31K |
| Invesco Exch Traded Fd Tr Ii | QQQM | Shares | $3.4M | 14K |
| Williams Cos Inc | WMB | Shares | $3.1M | 43K |
| Air Products And Chemicals I | APD | Shares | $2.9M | 10K |
| Chevron Corporation | CVX | Shares | $2.8M | 13K |
| Alphabet Inc | GOOGL | Shares | $2.7M | 10K |
| Ishares Tr | IVV | Shares | $2.7M | 4K |
| International Business Machs | IBM | Shares | $2.7M | 11K |
| Ishares Tr | IBDR | Shares | $2.7M | 110K |
| Chubb Ltd Switz | Shares | $2.6M | 8K | |
| Johnson & Johnson | JNJ | Shares | $2.6M | 10K |
| Unitedhealth Group Inc | UNH | Shares | $2.5M | 9K |
| Capital One Finl Corp | COF | Shares | $2.4M | 13K |
| Neogen Corp | NEOG | Shares | $2.2M | 242K |
| Liberty Energy Inc | LBRT | Shares | $2.2M | 75K |
| Franklin Templeton Digital H | EZBC | Shares | $2.1M | 55K |
| Amphenol Corp | APH | Shares | $2.1M | 17K |
| Ishares Tr | IBDS | Shares | $2.1M | 87K |
| Frequency Electrs Inc | FEIM | Shares | $2.0M | 46K |
| Citigroup Inc | C | Shares | $2.0M | 18K |
| Honeywell Intl Inc | HONGBP | Shares | $2.0M | 9K |
| Vanguard Specialized Funds | VIG | Shares | $2.0M | 9K |
| J P Morgan Exchange Traded F | JEPI | Shares | $1.9M | 34K |
| Berkshire Hathaway Inc Del | BRK/B | Shares | $1.9M | 4K |
| Bristow Group Inc | VTOL | Shares | $1.9M | 40K |
| Park Aerospace Corp | PKE | Shares | $1.9M | 68K |
| Stratasys Ltd | Shares | $1.7M | 224K | |
| Elevance Health Inc Formerly | ELV | Shares | $1.7M | 6K |
| Vanguard World Fd | VGT | Shares | $1.7M | 2K |
| Marinemax Inc | HZO | Shares | $1.7M | 63K |
| Cps Technologies Corp | CPSH | Shares | $1.6M | 436K |
| Pepsico Inc | PEP | Shares | $1.6M | 10K |
| Jpmorgan Chase & Co | JPM | Shares | $1.5M | 5K |
| Rex American Res Corp | REX | Shares | $1.5M | 33K |
| Eplus Inc | PLUS | Shares | $1.5M | 20K |
| Vanguard Index Fds | VV | Shares | $1.5M | 5K |
| State Str Spdr Dow Jones Ind | DIA | Shares | $1.5M | 3K |
| Vanguard Index Fds | VOO | Shares | $1.5M | 2K |
| Enterprise Prods Partners L | EPD | Shares | $1.5M | 38K |
| Live Oak Acquisition Corp V | Shares | $1.4M | 137K | |
| Idaho Strategic Resources | IDR | Shares | $1.4M | 44K |
| Nb Bancorp Inc | NBBK | Shares | $1.4M | 66K |
| Transcat Inc | TRNS | Shares | $1.4M | 19K |
| Vanguard Scottsdale Fds | VCSH | Shares | $1.4M | 18K |
| Blacksky Technology Inc | BKSY | Shares | $1.4M | 54K |
| Agnico Eagle Mines Ltd | AEM | Shares | $1.4M | 7K |
| Npk International Inc | NPKI | Shares | $1.3M | 93K |
| Coda Octopus Group Inc | CODA | Shares | $1.3M | 117K |
| Allient Inc | ALNT | Shares | $1.3M | 22K |
| Oppenheimer Hldgs Inc | OPY | Shares | $1.3M | 15K |
| Spotify Technology S A | Shares | $1.3M | 3K | |
| Nwpx Infrastructure Inc | NWPX | Shares | $1.3M | 16K |
| Arista Networks Inc | ANET | Shares | $1.3M | 10K |
| Teladoc Health Inc | TDOC | Shares | $1.3M | 234K |
| Brookfield Corp | BN | Shares | $1.2M | 31K |
| Rtx Corporation | RTX | Shares | $1.2M | 6K |
| Preformed Line Prods Co | PLPC | Shares | $1.2M | 5K |
| Principal Exchange Traded Fd | PSC | Shares | $1.2M | 21K |
| Merck & Co Inc | MRK | Shares | $1.2M | 10K |
| Ishares Tr | EFAV | Shares | $1.2M | 13K |
| Micron Technology Inc | MU | Shares | $1.2M | 3K |
| First Westn Finl Inc | MYFW | Shares | $1.2M | 47K |
| Lemaitre Vascular Inc | LMAT | Shares | $1.2M | 11K |
| Dell Technologies Inc | DELL | Shares | $1.2M | 7K |
| Goldman Sachs Group Inc | GS | Shares | $1.1M | 1K |
| Coca Cola Co | KO | Shares | $1.1M | 15K |
| Ishares Tr | IJH | Shares | $1.1M | 17K |
| Ameren Corp | AEE | Shares | $1.1M | 10K |
| Nxp Semiconductors N V | Shares | $1.1M | 6K | |
| Ishares Tr | SUSA | Shares | $1.1M | 8K |
| Vanguard Index Fds | VBK | Shares | $1.1M | 4K |
| Vanguard Index Fds | VTV | Shares | $1.1M | 5K |
| Shoals Technologies Group In | SHLS | Shares | $1.1M | 163K |
| Blue Bird Corp | BLBD | Shares | $1.1M | 19K |
| Pricesmart Inc | PSMT | Shares | $1.0M | 7K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.