Round Rock Advisors LLC

13F filer · CIK 0001846991

Reported Aug 12, 2026

Net buyer this quarter

13F portfolio value$776MU.S. long equity reported on 13F

Positions23420 new · 23 closed

Net flow last quarter+$6.53MBuys minus sells

Top 10 positions weight31.6%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Aug 12, 2026234 positions
QQQInvesco QQQ Trust, Series 1	$61M	7.86%	Not reported	+3.5%	Q4 2020
SMHMarket Vectors ETF Trust	$55.2M	7.11%	Not reported	-3.0%	Q1 2021
VYMDelaware Investments Minnesota Municipal Income Fund III Inc	$51.3M	6.61%	Not reported	+3.8%	Q4 2020
AAPLApple Inc.	$19.2M	2.48%	0.00%	-0.6%	Q4 2020
BRK.ABerkshire Hathaway Inc	$13.5M	1.74%	Not reported	-5.3%	Q4 2023
GOOGAlphabet Inc.	$13.1M	1.69%	Not reported	-0.3%	Q4 2020
MSFTMicrosoft Corp	$11.9M	1.53%	0.00%	+0.2%	Q4 2020
AMZNAmazon Com Inc	$8.09M	1.04%	0.00%	-0.3%	Q4 2020
SPYSPDR S&P 500 ETF Trust	$7.58M	0.98%	Not reported	+16.0%	Q4 2020
NVDANvidia Corp	$4.71M	0.61%	0.00%	-1.1%	Q4 2021
ABBVAbbVie Inc.	$4.54M	0.58%	0.00%	-0.3%	Q4 2023
HZOMarinemax Inc	$4.4M	0.57%	0.54%	+92.0%	Q3 2025
XOMExxonMobil Holdings Corp	$4.34M	0.56%	0.00%	+0.4%	Q4 2020
UNHUnitedhealth Group Inc	$3.77M	0.49%	0.00%	-3.2%	Q4 2023
GOOGLAlphabet Inc.	$3.4M	0.44%	0.00%	-0.5%	Q1 2021
MUMicron Technology Inc	$3.36M	0.43%	0.00%	-15.9%	Q1 2022
IBMInternational Business Machines Corp	$3.26M	0.42%	0.00%	+3.3%	Q4 2020
WMBWilliams Companies, Inc.	$3.18M	0.41%	0.00%	Not reported	Q4 2023
IBITiShares Bitcoin Trust ETF	$3.12M	0.40%	0.01%	New	Q2 2026
FEIMFrequency Electronics Inc	$3.06M	0.39%	0.47%	Not reported	Q3 2025
DELLDell Technologies Inc.	$3.04M	0.39%	0.00%	Not reported	Q4 2023
APDAir Products & Chemicals, Inc.	$2.97M	0.38%	0.00%	Not reported	Q4 2023
APHAmphenol Corp	$2.96M	0.38%	0.00%	Not reported	Q4 2020
ICEIntercontinental Exchange, Inc.	$2.94M	0.38%	0.00%	Not reported	Q4 2023
CBChubb Ltd	$2.7M	0.35%	0.00%	Not reported	Q4 2023
JNJJohnson & Johnson	$2.67M	0.34%	0.00%	+0.4%	Q4 2020
COFCapital One Financial Corp	$2.63M	0.34%	0.00%	+0.1%	Q4 2023
PKEPark Aerospace Corp	$2.59M	0.33%	0.32%	Not reported	Q3 2025
CCitigroup Inc	$2.52M	0.32%	0.00%	Not reported	Q3 2022
ALNTAllient Inc	$2.48M	0.32%	0.14%	+8.2%	Q3 2025
BRK.BBerkshire Hathaway Inc	$2.44M	0.31%	Not reported	+23.6%	Q1 2022
TMSTeamshares Inc	$2.28M	0.29%	0.39%	+102.8%	Q1 2026
CVXChevron Corp	$2.21M	0.29%	0.00%	Not reported	Q4 2021
NWPXNWPX Infrastructure, Inc.	$2.19M	0.28%	0.15%	-11.2%	Q3 2025
NEOGNeogen Corp	$2.18M	0.28%	0.11%	0.0%	Q3 2025
TDAYUSA TODAY Co., Inc.	$2.13M	0.27%	0.17%	New	Q2 2026
CDNLCardinal Infrastructure Group Inc.	$2.11M	0.27%	Not reported	+18.7%	Q1 2026
ELVElevance Health, Inc.	$2.05M	0.26%	0.00%	-9.3%	Q4 2023
SSYSStratasys Ltd.	$1.92M	0.25%	0.26%	Not reported	Q1 2026
FTKFlotek Industries Inc	$1.92M	0.25%	0.22%	+203.4%	Q1 2026
PLPCPreformed Line Products Co	$1.88M	0.24%	0.09%	Not reported	Q3 2025
SHLSShoals Technologies Group, Inc.	$1.84M	0.24%	Not reported	+14.1%	Q3 2025
ANETArista Networks, Inc.	$1.77M	0.23%	0.00%	0.0%	Q4 2021
TRNSTranscat Inc	$1.76M	0.23%	0.20%	Not reported	Q3 2025
WYFIWhiteFiber, Inc.	$1.76M	0.23%	0.12%	+146.6%	Q4 2025
JPMJPMorgan Chase & Co	$1.73M	0.22%	0.00%	+0.4%	Q1 2022
PLUSEplus Inc	$1.68M	0.22%	0.08%	Not reported	Q3 2025
DIASPDR Dow Jones Industrial Average ETF Trust	$1.67M	0.22%	Not reported	+0.4%	Q4 2021
VTOLBristow Group Inc.	$1.65M	0.21%	0.13%	0.0%	Q3 2025
NXPINXP Semiconductors N.V.	$1.58M	0.20%	0.00%	-0.9%	Q4 2023

Q1 2026Reported May 15, 2026236 positions
VYMDelaware Investments Minnesota Municipal Income Fund III Inc	$46.3M	7.09%	Not reported	+1.7%	Q4 2020
QQQInvesco QQQ Trust, Series 1	$46.2M	7.07%	Not reported	-1.3%	Q4 2020
SMHMarket Vectors ETF Trust	$33.3M	5.09%	Not reported	-1.7%	Q1 2021
AAPLApple Inc.	$17M	2.60%	0.00%	-0.3%	Q4 2020
BRK.ABerkshire Hathaway Inc	$13.6M	2.09%	Not reported	Not reported	Q4 2023
MSFTMicrosoft Corp	$11.8M	1.80%	0.00%	-0.2%	Q4 2020
GOOGAlphabet Inc.	$10.7M	1.63%	Not reported	-0.1%	Q4 2020
AMZNAmazon Com Inc	$7.1M	1.09%	0.00%	-11.5%	Q4 2020
SPYSPDR S&P 500 ETF Trust	$5.69M	0.87%	Not reported	-27.5%	Q4 2020
XOMExxonMobil Holdings Corp	$5.37M	0.82%	0.00%	-1.2%	Q4 2020
NVDANvidia Corp	$4.15M	0.63%	0.00%	0.0%	Q4 2021
ABBVAbbVie Inc.	$3.93M	0.60%	0.00%	-7.8%	Q4 2023
ICEIntercontinental Exchange, Inc.	$3.75M	0.57%	0.00%	-8.4%	Q4 2023
WMBWilliams Companies, Inc.	$3.11M	0.48%	0.00%	Not reported	Q4 2023
APDAir Products & Chemicals, Inc.	$2.94M	0.45%	0.00%	-7.7%	Q4 2023
CVXChevron Corp	$2.76M	0.42%	0.00%	-7.2%	Q4 2021
GOOGLAlphabet Inc.	$2.75M	0.42%	0.00%	-5.7%	Q1 2021
IBMInternational Business Machines Corp	$2.72M	0.42%	0.00%	-16.5%	Q4 2020
CBChubb Ltd	$2.58M	0.40%	0.00%	-9.4%	Q4 2023
JNJJohnson & Johnson	$2.56M	0.39%	0.00%	+8.6%	Q4 2020
UNHUnitedhealth Group Inc	$2.53M	0.39%	0.00%	-7.3%	Q4 2023
COFCapital One Financial Corp	$2.39M	0.37%	0.00%	-9.7%	Q4 2023
NEOGNeogen Corp	$2.25M	0.34%	0.11%	+54.3%	Q3 2025
LBRTLiberty Energy Inc.	$2.16M	0.33%	Not reported	-28.2%	Q3 2025
EZBCFranklin Templeton Digital Holdings Trust	$2.14M	0.33%	0.53%	+32.6%	Q4 2025
APHAmphenol Corp	$2.12M	0.32%	0.00%	+0.6%	Q4 2020
FEIMFrequency Electronics Inc	$2.04M	0.31%	0.47%	-5.2%	Q3 2025
CCitigroup Inc	$2.04M	0.31%	0.00%	+5.1%	Q3 2022
HONHoneywell International Inc	$2.03M	0.31%	0.00%	-9.2%	Q4 2023
BRK.BBerkshire Hathaway Inc	$1.89M	0.29%	Not reported	-20.3%	Q1 2022
VTOLBristow Group Inc.	$1.87M	0.29%	0.14%	+25.8%	Q3 2025
PKEPark Aerospace Corp	$1.86M	0.28%	0.34%	+0.3%	Q3 2025
SSYSStratasys Ltd.	$1.75M	0.27%	0.26%	New	Q1 2026
ELVElevance Health, Inc.	$1.71M	0.26%	0.00%	-9.1%	Q4 2023
HZOMarinemax Inc	$1.69M	0.26%	0.28%	+20.2%	Q3 2025
CPSHCPS Technologies Corp	$1.63M	0.25%	2.42%	+127.6%	Q3 2025
PEPPepsico Inc	$1.57M	0.24%	0.00%	+0.6%	Q4 2020
JPMJPMorgan Chase & Co	$1.54M	0.24%	0.00%	+2.9%	Q1 2022
REXREX AMERICAN RESOURCES Corp	$1.52M	0.23%	0.10%	+0.5%	Q3 2025
PLUSEplus Inc	$1.52M	0.23%	0.08%	+0.5%	Q3 2025
DIASPDR Dow Jones Industrial Average ETF Trust	$1.48M	0.23%	Not reported	-2.4%	Q4 2021
EPDEnterprise Products Partners L.P.	$1.45M	0.22%	0.00%	Not reported	Q1 2022
TMSTeamshares Inc	$1.43M	0.22%	0.28%	New	Q1 2026
IDRIdaho Strategic Resources, Inc.	$1.41M	0.22%	0.28%	+0.4%	Q3 2025
NBBKNB Bancorp, Inc.	$1.4M	0.21%	0.15%	+28.1%	Q3 2025
TRNSTranscat Inc	$1.4M	0.21%	0.20%	+22.6%	Q3 2025
BKSYBlackSky Technology Inc.	$1.37M	0.21%	0.15%	+49.9%	Q4 2025
AEMAgnico Eagle Mines Ltd	$1.35M	0.21%	0.00%	-24.3%	Q1 2023
NPKINPK International Inc.	$1.34M	0.21%	0.11%	+0.4%	Q3 2025
CODACoda Octopus Group, Inc.	$1.33M	0.20%	1.04%	+134.6%	Q4 2025

Q4 2025Reported Apr 7, 2026242 positions
QQQInvesco QQQ Trust, Series 1	$49.8M	7.49%	Not reported	+0.6%	Q4 2020
VYMDelaware Investments Minnesota Municipal Income Fund III Inc	$44.2M	6.64%	Not reported	+1.5%	Q4 2020
SMHMarket Vectors ETF Trust	$31.8M	4.78%	Not reported	-1.9%	Q1 2021
AAPLApple Inc.	$18.2M	2.74%	0.00%	-4.5%	Q4 2020
MSFTMicrosoft Corp	$15.4M	2.32%	0.00%	-5.9%	Q4 2020
BRK.ABerkshire Hathaway Inc	$14.3M	2.16%	Not reported	-5.0%	Q4 2023
GOOGAlphabet Inc.	$11.7M	1.76%	Not reported	-7.3%	Q4 2020
AMZNAmazon Com Inc	$8.89M	1.34%	0.00%	+2.3%	Q4 2020
SPYSPDR S&P 500 ETF Trust	$8.23M	1.24%	Not reported	-6.6%	Q4 2020
ABBVAbbVie Inc.	$4.48M	0.67%	0.00%	+0.2%	Q4 2023
NVDANvidia Corp	$4.43M	0.67%	0.00%	+1.0%	Q4 2021
ICEIntercontinental Exchange, Inc.	$4.22M	0.63%	0.00%	0.0%	Q4 2023
IBMInternational Business Machines Corp	$3.98M	0.60%	0.00%	-15.0%	Q4 2020
XOMExxonMobil Holdings Corp	$3.85M	0.58%	0.00%	+0.5%	Q4 2020
COFCapital One Financial Corp	$3.52M	0.53%	0.00%	+0.2%	Q4 2023
UNHUnitedhealth Group Inc	$3.33M	0.50%	0.00%	-0.2%	Q4 2023
GOOGLAlphabet Inc.	$3.17M	0.48%	0.00%	+2.0%	Q1 2021
CBChubb Ltd	$2.73M	0.41%	0.00%	+0.1%	Q4 2023
APDAir Products & Chemicals, Inc.	$2.71M	0.41%	0.00%	+0.1%	Q4 2023
FEIMFrequency Electronics Inc	$2.62M	0.39%	0.50%	+152.5%	Q3 2025
WMBWilliams Companies, Inc.	$2.57M	0.39%	0.00%	0.0%	Q4 2023
BRK.BBerkshire Hathaway Inc	$2.49M	0.37%	Not reported	+28.6%	Q1 2022
APHAmphenol Corp	$2.26M	0.34%	0.00%	+0.2%	Q4 2020
ELVElevance Health, Inc.	$2.25M	0.34%	0.00%	Not reported	Q4 2023
CVXChevron Corp	$2.19M	0.33%	0.00%	-1.6%	Q4 2021
EZBCFranklin Templeton Digital Holdings Trust	$2.09M	0.31%	0.41%	New	Q4 2025
CCitigroup Inc	$2M	0.30%	0.00%	+0.2%	Q3 2022
JNJJohnson & Johnson	$1.99M	0.30%	0.00%	+0.4%	Q4 2020
HONHoneywell International Inc	$1.93M	0.29%	0.00%	+0.1%	Q4 2023
LBRTLiberty Energy Inc.	$1.92M	0.29%	Not reported	+65.3%	Q3 2025
IDRIdaho Strategic Resources, Inc.	$1.77M	0.27%	0.28%	+45.0%	Q3 2025
PLUSEplus Inc	$1.76M	0.27%	0.08%	+31.4%	Q3 2025
JPMJPMorgan Chase & Co	$1.64M	0.25%	0.00%	+1.4%	Q1 2022
TDOCTeladoc Health, Inc.	$1.63M	0.24%	0.13%	+36.4%	Q3 2025
PLPCPreformed Line Products Co	$1.61M	0.24%	0.16%	+66.0%	Q3 2025
LZLegalzoom.com, Inc.	$1.58M	0.24%	0.09%	+62.6%	Q3 2025
DIASPDR Dow Jones Industrial Average ETF Trust	$1.57M	0.24%	Not reported	+0.5%	Q4 2021
SPOTSpotify Technology S.A.	$1.55M	0.23%	0.00%	New	Q4 2025
AEMAgnico Eagle Mines Ltd	$1.49M	0.22%	0.00%	-16.2%	Q1 2023
NXPINXP Semiconductors N.V.	$1.48M	0.22%	0.00%	+0.1%	Q4 2023
PKEPark Aerospace Corp	$1.44M	0.22%	0.34%	+64.5%	Q3 2025
PEPPepsico Inc	$1.44M	0.22%	0.00%	-1.0%	Q4 2020
HAPNHappen, Inc.	$1.43M	0.22%	0.07%	+58.9%	Q3 2025
BNBROOKFIELD Corp	$1.41M	0.21%	Not reported	0.0%	Q4 2023
METAMeta Platforms, Inc.	$1.38M	0.21%	Not reported	+0.1%	Q4 2021
SHLSShoals Technologies Group, Inc.	$1.38M	0.21%	Not reported	+190.8%	Q3 2025
ANETArista Networks, Inc.	$1.38M	0.21%	0.00%	+0.2%	Q4 2021
USLMUnited States Lime & Minerals Inc	$1.3M	0.20%	0.04%	+69.6%	Q3 2025
WMTWalmart Inc.	$1.29M	0.19%	0.00%	-0.7%	Q4 2021
ORCLOracle Corp	$1.27M	0.19%	0.00%	+0.5%	Q4 2021

Q3 2025Reported Nov 14, 2025247 positions
QQQInvesco QQQ Trust, Series 1	$48.4M	7.67%	Not reported	+3.3%	Q4 2020
VYMDelaware Investments Minnesota Municipal Income Fund III Inc	$42.7M	6.77%	Not reported	+2.1%	Q4 2020
SMHMarket Vectors ETF Trust	$29.4M	4.65%	Not reported	+0.1%	Q1 2021
AAPLApple Inc.	$17.9M	2.83%	0.00%	-16.2%	Q4 2020
MSFTMicrosoft Corp	$17.6M	2.78%	0.00%	-5.8%	Q4 2020
BRK.ABerkshire Hathaway Inc	$15.1M	2.39%	Not reported	Not reported	Q4 2023
GOOGAlphabet Inc.	$9.79M	1.55%	Not reported	-0.3%	Q4 2020
SPYSPDR S&P 500 ETF Trust	$8.61M	1.36%	Not reported	+22.5%	Q4 2020
AMZNAmazon Com Inc	$8.27M	1.31%	0.00%	+0.1%	Q4 2020
ABBVAbbVie Inc.	$4.53M	0.72%	0.00%	-4.5%	Q4 2023
IBMInternational Business Machines Corp	$4.46M	0.71%	0.00%	+2.5%	Q4 2020
NVDANvidia Corp	$4.39M	0.70%	0.00%	+0.7%	Q4 2021
ICEIntercontinental Exchange, Inc.	$4.39M	0.69%	0.00%	-0.4%	Q4 2023
ITTItt Inc.	$3.65M	0.58%	0.03%	Not reported	Q2 2021
XOMExxonMobil Holdings Corp	$3.59M	0.57%	0.00%	-4.9%	Q4 2020
UNHUnitedhealth Group Inc	$3.49M	0.55%	0.00%	+0.1%	Q4 2023
COFCapital One Financial Corp	$3.08M	0.49%	0.00%	0.0%	Q4 2023
APDAir Products & Chemicals, Inc.	$2.99M	0.47%	0.00%	0.0%	Q4 2023
TSLATesla, Inc.	$2.73M	0.43%	0.00%	+10.1%	Q4 2020
WMBWilliams Companies, Inc.	$2.71M	0.43%	0.00%	+0.4%	Q4 2023
CBChubb Ltd	$2.46M	0.39%	0.00%	+0.3%	Q4 2023
GOOGLAlphabet Inc.	$2.42M	0.38%	0.00%	+12.2%	Q1 2021
CVXChevron Corp	$2.27M	0.36%	0.00%	Not reported	Q4 2021
HONHoneywell International Inc	$2.08M	0.33%	0.00%	-20.4%	Q4 2023
ELVElevance Health, Inc.	$2.08M	0.33%	0.00%	-5.5%	Q4 2023
APHAmphenol Corp	$2.06M	0.33%	0.00%	-1.2%	Q4 2020
BRK.BBerkshire Hathaway Inc	$1.93M	0.31%	Not reported	-15.7%	Q1 2022
ORCLOracle Corp	$1.82M	0.29%	0.00%	+0.4%	Q4 2021
JNJJohnson & Johnson	$1.78M	0.28%	0.00%	+0.4%	Q4 2020
AEMAgnico Eagle Mines Ltd	$1.77M	0.28%	0.00%	-0.6%	Q1 2023
SWIMLatham Group, Inc.	$1.76M	0.28%	0.20%	New	Q3 2025
CCitigroup Inc	$1.73M	0.27%	0.00%	+0.6%	Q3 2022
NFLXNetflix Inc	$1.63M	0.26%	0.00%	+7.4%	Q4 2020
JPMJPMorgan Chase & Co	$1.59M	0.25%	0.00%	+0.3%	Q1 2022
NXPINXP Semiconductors N.V.	$1.55M	0.25%	0.00%	+0.8%	Q4 2023
METAMeta Platforms, Inc.	$1.54M	0.24%	Not reported	-2.2%	Q4 2021
ANETArista Networks, Inc.	$1.53M	0.24%	0.00%	0.0%	Q4 2021
DIASPDR Dow Jones Industrial Average ETF Trust	$1.51M	0.24%	Not reported	Not reported	Q4 2021
PEPPepsico Inc	$1.42M	0.23%	0.00%	+0.1%	Q4 2020
TDOCTeladoc Health, Inc.	$1.42M	0.22%	0.10%	New	Q3 2025
BNBROOKFIELD Corp	$1.4M	0.22%	Not reported	Not reported	Q4 2023
WMTWalmart Inc.	$1.21M	0.19%	0.00%	+7.8%	Q4 2021
EPDEnterprise Products Partners L.P.	$1.2M	0.19%	0.00%	-1.3%	Q1 2022
SUSASouthern USA Resources Inc.	$1.17M	0.19%	Not reported	Not reported	Q4 2021
CVSCVS HEALTH Corp	$1.13M	0.18%	0.00%	-0.5%	Q4 2023
GSGoldman Sachs Group Inc	$1.12M	0.18%	0.00%	+4.9%	Q4 2023
PLUSEplus Inc	$1.11M	0.18%	0.06%	New	Q3 2025
PLPCPreformed Line Products Co	$1.1M	0.17%	0.10%	New	Q3 2025
RTXRTX Corp	$1.09M	0.17%	0.00%	-35.1%	Q1 2022
AAMIAcadian Asset Management Inc.	$1.08M	0.17%	0.06%	New	Q3 2025

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