Round Rock Advisors LLC — 13F Holdings & Portfolio
CIK 1846991 · latest 13F-HR filed 2026-04-07
Round Rock Advisors LLC manages $664.8M in 13F-reported U.S. long-equity assets across 326 reported positions as of its 2025-12-31 13F-HR filing. Its largest disclosed positions are QQQ (7.49%), JPST (6.86%), VYM (6.64%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 2 new positions, exited 0, added to 4, and trimmed 4.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$664.8M
Long-equity book
326
Distinct positions
2025-12-31
Filed 2026-04-07
+2 / −0 / ↑4 / ↓4
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- HARROW INC$196.7K +30.0%
- BLACK DIAMOND THERAPEUTICS I$109.4K +56.6%
- PUMA BIOTECHNOLOGY INC$55.0K +9.7%
- CECO ENVIRONMENTAL CORP$47.5K +7.8%
Top Trims
- BACKBLAZE INC-$532.3K -55.5%
- PORCH GROUP INC-$394.8K -41.6%
- EXTREME NETWORKS-$61.5K -8.3%
- CODA OCTOPUS GROUP INC-$48.2K -9.4%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | INVESCO QQQ TR | QQQ | 46090E103 | $49.8M | 7.49% | 81,102 | SH |
| 2 | J P MORGAN EXCHANGE TRADED F | JPST | 46641Q837 | $45.6M | 6.86% | 900,926 | SH |
| 3 | VANGUARD WHITEHALL FDS | VYM | 921946406 | $44.2M | 6.64% | 307,633 | SH |
| 4 | VANECK ETF TRUST | SMH | 92189F676 | $31.8M | 4.78% | 88,265 | SH |
| 5 | ISHARES TR | IJR | 464287804 | $29.0M | 4.37% | 241,647 | SH |
| 6 | VANGUARD INDEX FDS | VO | 922908629 | $27.5M | 4.14% | 94,747 | SH |
| 7 | APPLE INC | AAPL | 037833100 | $18.2M | 2.74% | 66,993 | SH |
| 8 | SELECT SECTOR SPDR TR | XLI | 81369Y704 | $17.2M | 2.59% | 111,086 | SH |
| 9 | SELECT SECTOR SPDR TR | XLV | 81369Y209 | $16.0M | 2.40% | 103,227 | SH |
| 10 | ISHARES TR | DVY | 464287168 | $15.7M | 2.35% | 110,913 | SH |
| 11 | MICROSOFT CORP | MSFT | 594918104 | $15.4M | 2.32% | 31,900 | SH |
| 12 | BERKSHIRE HATHAWAY INC DEL | BRK.A | 084670108 | $14.3M | 2.16% | 19 | SH |
| 13 | AMERICAN CENTY ETF TR | SDSI | 025072257 | $12.3M | 1.85% | 237,893 | SH |
| 14 | ALPHABET INC | GOOG | 02079K107 | $11.7M | 1.76% | 37,261 | SH |
| 15 | NEUBERGER BERMAN ETF TRUST | NBSD | 64135A887 | $11.6M | 1.75% | 226,835 | SH |
| 16 | AMAZON COM INC | AMZN | 023135106 | $8.9M | 1.34% | 38,518 | SH |
| 17 | INVESCO EXCHANGE TRADED FD T | RSP | 46137V357 | $8.6M | 1.29% | 44,909 | SH |
| 18 | SELECT SECTOR SPDR TR | XLK | 81369Y803 | $8.6M | 1.29% | 59,415 | SH |
| 19 | SPDR S&P 500 ETF TR | SPY | 78462F103 | $8.2M | 1.24% | 12,069 | SH |
| 20 | SELECT SECTOR SPDR TR | XLU | 81369Y886 | $5.2M | 0.78% | 121,346 | SH |
| 21 | ABBVIE INC | ABBV | 00287Y109 | $4.5M | 0.67% | 19,612 | SH |
| 22 | NVIDIA CORPORATION | NVDA | 67066G104 | $4.4M | 0.67% | 23,778 | SH |
| 23 | ISHARES TR | USMV | 46429B697 | $4.3M | 0.65% | 45,938 | SH |
| 24 | INTERCONTINENTAL EXCHANGE IN | ICE | 45866F104 | $4.2M | 0.63% | 26,036 | SH |
| 25 | INTERNATIONAL BUSINESS MACHS | IBM | 459200101 | $4.0M | 0.60% | 13,423 | SH |
| 26 | ISHARES TR | IVW | 464287309 | $3.9M | 0.58% | 31,302 | SH |
| 27 | EXXON MOBIL CORP | XOM | 30231G102 | $3.9M | 0.58% | 32,027 | SH |
| 28 | CAPITAL ONE FINL CORP | COF | 14040H105 | $3.5M | 0.53% | 14,508 | SH |
| 29 | INVESCO EXCH TRADED FD TR II | QQQM | 46138G649 | $3.5M | 0.53% | 13,892 | SH |
| 30 | UNITEDHEALTH GROUP INC | UNH | 91324P102 | $3.3M | 0.50% | 10,091 | SH |
| 31 | ALPHABET INC | GOOGL | 02079K305 | $3.2M | 0.48% | 10,139 | SH |
| 32 | CHUBB LIMITED | CB | H1467J104 | $2.7M | 0.41% | 8,741 | SH |
| 33 | AIR PRODS & CHEMS INC | APD | 009158106 | $2.7M | 0.41% | 10,982 | SH |
| 34 | ISHARES TR | IBDR | 46435GAA0 | $2.7M | 0.40% | 109,909 | SH |
| 35 | FREQUENCY ELECTRS INC | FEIM | 358010106 | $2.6M | 0.39% | 48,595 | SH |
| 36 | WILLIAMS COS INC | WMB | 969457100 | $2.6M | 0.39% | 42,776 | SH |
| 37 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $2.5M | 0.37% | 4,944 | SH |
| 38 | SELECT SECTOR SPDR TR | XLE | 81369Y506 | $2.4M | 0.37% | 54,634 | SH |
| 39 | AMPHENOL CORP NEW | APH | 032095101 | $2.3M | 0.34% | 16,687 | SH |
| 40 | ELEVANCE HEALTH INC FORMERLY | ELV | 036752103 | $2.3M | 0.34% | 6,431 | SH |
| 41 | CHEVRON CORP NEW | CVX | 166764100 | $2.2M | 0.33% | 14,395 | SH |
| 42 | ISHARES TR | IBDS | 46435UAA9 | $2.1M | 0.32% | 86,708 | SH |
| 43 | FRANKLIN TEMPLETON DIGITAL H | EZBC | 354921108 | $2.1M | 0.31% | 41,264 | SH |
| 44 | VANGUARD SPECIALIZED FUNDS | VIG | 921908844 | $2.1M | 0.31% | 9,331 | SH |
| 45 | J P MORGAN EXCHANGE TRADED F | JEPI | 46641Q332 | $2.0M | 0.31% | 35,447 | SH |
| 46 | VANGUARD WORLD FD | VGT | 92204A702 | $2.0M | 0.30% | 2,673 | SH |
| 47 | CITIGROUP INC | C | 172967424 | $2.0M | 0.30% | 17,110 | SH |
| 48 | JOHNSON & JOHNSON | JNJ | 478160104 | $2.0M | 0.30% | 9,629 | SH |
| 49 | ISHARES TR | IVV | 464287200 | $1.9M | 0.29% | 2,824 | SH |
| 50 | HONEYWELL INTL INC | HON | 438516106 | $1.9M | 0.29% | 9,882 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2025-12-31 | 2026-04-07 | $664.8M | 326 | 0001951757-26-000520 |
| 2025-12-31 | 2026-01-27 | $665.1M | 324 | 0001951757-26-000317 |