Filed: 1/27/2026ACC: 0001951757-26-000317
📋 What this filing means
ROUND ROCK ADVISORS LLC filed this quarterly 13F‑HR report disclosing 324 equity positions with a total reported market value of $665.06M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
324
Positions
$665.06M
Total AUM (reported)
10.85M
Total Shares
Allocation by class
COM$190.92M28.7%
UNIT SER 1$49.82M7.5%
ULTRA SHRT ETF$45.58M6.9%
HIGH DIV YLD$44.15M6.6%
SEMICONDUCTR ETF$31.79M4.8%
CORE S&P SCP ETF$29.04M4.4%
MID CAP ETF$27.50M4.1%
Portfolio Concentration
Top 3$139.55M21.0%
4–10$155.40M23.4%
11–25$126.24M19.0%
Rest$243.87M36.7%
Top 3 weight
21.0%
Top 10 weight
44.3%
Voting Authority Distribution
Total shares with voting rights: 10.85M
Sole
Full voting authority
10.85M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole324
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings324
Rows:
INVESCO QQQ TR
SOLEShares81.10K
TypeSH
Market value$49.82M
7.49%
Sole
81.10K
Shared
0.00
None
0.00
J P MORGAN EXCHANGE TRADED F
SOLEShares900.93K
TypeSH
Market value$45.58M
6.85%
Sole
900.93K
Shared
0.00
None
0.00
VANGUARD WHITEHALL FDS
SOLEShares307.63K
TypeSH
Market value$44.15M
6.64%
Sole
307.63K
Shared
0.00
None
0.00
VANECK ETF TRUST
SOLEShares88.27K
TypeSH
Market value$31.79M
4.78%
Sole
88.27K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares241.65K
TypeSH
Market value$29.04M
4.37%
Sole
241.65K
Shared
0.00
None
0.00
VANGUARD INDEX FDS
SOLEShares94.75K
TypeSH
Market value$27.50M
4.13%
Sole
94.75K
Shared
0.00
None
0.00
APPLE INC
SOLEShares66.99K
TypeSH
Market value$18.21M
2.74%
Sole
66.99K
Shared
0.00
None
0.00
SELECT SECTOR SPDR TR
SOLEShares111.09K
TypeSH
Market value$17.23M
2.59%
Sole
111.09K
Shared
0.00
None
0.00
SELECT SECTOR SPDR TR
SOLEShares103.23K
TypeSH
Market value$15.98M
2.40%
Sole
103.23K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares110.91K
TypeSH
Market value$15.65M
2.35%
Sole
110.91K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares31.90K
TypeSH
Market value$15.43M
2.32%
Sole
31.90K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares19.00
TypeSH
Market value$14.34M
2.16%
Sole
19.00
Shared
0.00
None
0.00
AMERICAN CENTY ETF TR
SOLEShares237.89K
TypeSH
Market value$12.27M
1.85%
Sole
237.89K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares37.26K
TypeSH
Market value$11.69M
1.76%
Sole
37.26K
Shared
0.00
None
0.00
NEUBERGER BERMAN ETF TRUST
SOLEShares226.84K
TypeSH
Market value$11.61M
1.75%
Sole
226.84K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares38.52K
TypeSH
Market value$8.89M
1.34%
Sole
38.52K
Shared
0.00
None
0.00
INVESCO EXCHANGE TRADED FD T
SOLEShares44.91K
TypeSH
Market value$8.60M
1.29%
Sole
44.91K
Shared
0.00
None
0.00
SELECT SECTOR SPDR TR
SOLEShares59.41K
TypeSH
Market value$8.55M
1.29%
Sole
59.41K
Shared
0.00
None
0.00
SPDR S&P 500 ETF TR
SOLEShares12.07K
TypeSH
Market value$8.23M
1.24%
Sole
12.07K
Shared
0.00
None
0.00
SELECT SECTOR SPDR TR
SOLEShares121.35K
TypeSH
Market value$5.18M
0.78%
Sole
121.35K
Shared
0.00
None
0.00
ABBVIE INC
SOLEShares19.61K
TypeSH
Market value$4.48M
0.67%
Sole
19.61K
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares23.81K
TypeSH
Market value$4.44M
0.67%
Sole
23.81K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares45.94K
TypeSH
Market value$4.33M
0.65%
Sole
45.94K
Shared
0.00
None
0.00
INTERCONTINENTAL EXCHANGE IN
SOLEShares26.04K
TypeSH
Market value$4.22M
0.63%
Sole
26.04K
Shared
0.00
None
0.00
INTERNATIONAL BUSINESS MACHS
SOLEShares13.42K
TypeSH
Market value$3.98M
0.60%
Sole
13.42K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
INVESCO QQQ TRSOLE | UNIT SER 1 | 81.10K | SH | $49.82M 7.49% | 81.10K | 0.00 | 0.00 |
J P MORGAN EXCHANGE TRADED FSOLE | ULTRA SHRT ETF | 900.93K | SH | $45.58M 6.85% | 900.93K | 0.00 | 0.00 |
VANGUARD WHITEHALL FDSSOLE | HIGH DIV YLD | 307.63K | SH | $44.15M 6.64% | 307.63K | 0.00 | 0.00 |
VANECK ETF TRUSTSOLE | SEMICONDUCTR ETF | 88.27K | SH | $31.79M 4.78% | 88.27K | 0.00 | 0.00 |
ISHARES TRSOLE | CORE S&P SCP ETF | 241.65K | SH | $29.04M 4.37% | 241.65K | 0.00 | 0.00 |
VANGUARD INDEX FDSSOLE | MID CAP ETF | 94.75K | SH | $27.50M 4.13% | 94.75K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 66.99K | SH | $18.21M 2.74% | 66.99K | 0.00 | 0.00 |
SELECT SECTOR SPDR TRSOLE | STATE STREET IND | 111.09K | SH | $17.23M 2.59% | 111.09K | 0.00 | 0.00 |
SELECT SECTOR SPDR TRSOLE | STATE STREET HEA | 103.23K | SH | $15.98M 2.40% | 103.23K | 0.00 | 0.00 |
ISHARES TRSOLE | SELECT DIVID ETF | 110.91K | SH | $15.65M 2.35% | 110.91K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 31.90K | SH | $15.43M 2.32% | 31.90K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 19.00 | SH | $14.34M 2.16% | 19.00 | 0.00 | 0.00 |
AMERICAN CENTY ETF TRSOLE | SHORT DURTN STRG | 237.89K | SH | $12.27M 1.85% | 237.89K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 37.26K | SH | $11.69M 1.76% | 37.26K | 0.00 | 0.00 |
NEUBERGER BERMAN ETF TRUSTSOLE | SHORT DURATION I | 226.84K | SH | $11.61M 1.75% | 226.84K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 38.52K | SH | $8.89M 1.34% | 38.52K | 0.00 | 0.00 |
INVESCO EXCHANGE TRADED FD TSOLE | S&P500 EQL WGT | 44.91K | SH | $8.60M 1.29% | 44.91K | 0.00 | 0.00 |
SELECT SECTOR SPDR TRSOLE | STATE STREET TEC | 59.41K | SH | $8.55M 1.29% | 59.41K | 0.00 | 0.00 |
SPDR S&P 500 ETF TRSOLE | TR UNIT | 12.07K | SH | $8.23M 1.24% | 12.07K | 0.00 | 0.00 |
SELECT SECTOR SPDR TRSOLE | STATE STREET UTI | 121.35K | SH | $5.18M 0.78% | 121.35K | 0.00 | 0.00 |
ABBVIE INCSOLE | COM | 19.61K | SH | $4.48M 0.67% | 19.61K | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 23.81K | SH | $4.44M 0.67% | 23.81K | 0.00 | 0.00 |
ISHARES TRSOLE | MSCI USA MIN VOL | 45.94K | SH | $4.33M 0.65% | 45.94K | 0.00 | 0.00 |
INTERCONTINENTAL EXCHANGE INSOLE | COM | 26.04K | SH | $4.22M 0.63% | 26.04K | 0.00 | 0.00 |
INTERNATIONAL BUSINESS MACHSSOLE | COM | 13.42K | SH | $3.98M 0.60% | 13.42K | 0.00 | 0.00 |
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