Round Rock Advisors LLC

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CIK 1846991

13F portfolio (2026-Q1)

$654M

Positions

318

Implied 1Y CAGR

modeled · as filed

Long positions in SEC Section 13(f) securities (US-listed stocks, ADRs and ETFs), largest first · Δ vs 2025-Q4. A lagged quarterly snapshot (filed ≤45 days after quarter-end); excludes shorts, options, cash, and shares listed only on non-US exchanges — foreign companies held via a US listing or ADR (e.g. Alibaba, TSMC) ARE included.

Implied return what this book implies · modeled, not advice methodology →

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As filed = each book applied at its quarter-end (what the reported book did) · As copyable = applied at its statutory 45-day filing deadline (what a 13F follower could have earned).

Computing…

Hypothetical modeled performance constructed with hindsight — not actual results, and not indicative of future results. See the Disclaimer.

Exposures · what this manager owns, by sector & size (2026-Q1)

Holdings

318

Top 5

30.8%

Top 10

45.5%

Effective N

36.3

HHI

0.028

This quarter

38 new · 0 exit →

By sector

Unclassified64.7%

Information Technology9.6%

Financials4.6%

Industrials4.5%

Health Care4.1%

Consumer Discretionary3.5%

Communication Services2.8%

Materials2.3%

Other3.9%

By market cap

Unknown65.6%

Mega (>$200B)15.1%

Small ($300M–2B)6.7%

Large ($10–200B)6.5%

Mid ($2–10B)5.1%

Micro (<$300M)1.1%

By region

Other64.7%

North America35.2%

Europe0.1%

Asia-Pacific0.0%

By industry group GICS — finer than sector

Industry group	Weight	Names
Unclassified	65.01%	102
Technology Hardware & Equipment	4.43%	12
Pharmaceuticals & Biotechnology	3.10%	26
Semiconductors & Semiconductor Equipment	2.35%	19
Software	2.29%	6
Software & IT Services	2.21%	3
Banks	2.04%	14
Specialty Retail	1.98%	11
Oil, Gas & Consumable Fuels	1.82%	6
Machinery	1.31%	17
Capital Markets	1.25%	8
Aerospace & Defense	1.23%	8
Chemicals	1.13%	8
Insurance	1.04%	3
Utilities	0.96%	5
Construction & Engineering	0.73%	7
Metals & Mining	0.71%	5
Health Care Equipment & Supplies	0.67%	7
Hotels, Restaurants & Leisure	0.50%	5
Commercial Services & Supplies	0.46%	5
Media & Entertainment	0.43%	3
Health Care Providers & Services	0.42%	3
Beverages	0.41%	2
Construction Materials	0.40%	2
Automobiles & Components	0.38%	4
Airlines	0.34%	2
Electrical Equipment & Components	0.32%	4
Distributors	0.32%	2
Real Estate Management & Development	0.26%	2
Communications Equipment	0.24%	2
Food & Staples Retailing	0.21%	2
Equity Real Estate Investment Trusts (REITs)	0.19%	2
Road & Rail	0.18%	2
Diversified Consumer Services	0.12%	1
Household Durables	0.12%	1
Diversified Telecommunication Services	0.10%	1
Leisure Products	0.09%	1
Transportation Infrastructure	0.08%	1
Agricultural Products	0.05%	1
Paper & Forest Products	0.05%	1
Entertainment	0.04%	1
Professional Services	0.04%	1

Top holdings

#	Ticker	Name	Sector	Weight
1	VYM	VANGUARD WHITEHALL FDS	Unclassified	7.09%
2	QQQ	INVESCO QQQ TR	Unclassified	7.07%
3	JPST	J P MORGAN EXCHANGE TRADED F	Unclassified	7.02%
4	SMH	VANECK ETF TRUST	Unclassified	5.09%
5	IJR	ISHARES TR	Unclassified	4.55%
6	VO	VANGUARD INDEX FDS	Unclassified	4.22%
7	XLI	SELECT SECTOR SPDR TR	Unclassified	2.79%
8	DVY	ISHARES TR	Unclassified	2.66%
9	AAPL	Apple Inc.	Information Technology	2.60%
10	XLV	SELECT SECTOR SPDR TR	Unclassified	2.42%

217/318 names classified · sector 35.3% of weight · industry 35.0% · mkt cap 34.4%; unclassified names shown, never dropped.

Sector allocation over time · how the GICS mix & top names shifted quarter by quarter

top 5/sector, rest → “Other” · 22 quarters

Information TechnologyAAPL, MSFT, IBM, APH, NVDA · other

FinancialsUNH, ICE, ELV, COF, CB · other

Consumer DiscretionaryAMZN, TSLA, HD, RH, CZR · other

IndustrialsITT, HON, RTX, XYL, LMT · other

Communication ServicesGOOG, GOOGL, NFLX, CMCSA, T · other

Health CareJNJ, ABBV, PFE, MRK, NEOG · other

EnergyXOM, CVX, DMLP, LBRT, PTEN · other

Consumer StaplesPEP, CVS, STZ, KO, CTVA · other

MaterialsAPD, PG, AEM, NEM, SWIM · other

UtilitiesEPD, WMB, AEE, SO, KNTK · other

Real EstateBN, WPC, CCI, CHCT, IIPR · other

UnclassifiedVYM, QQQ, VO, JPST, USMV · other

Sector is classified on each name's CURRENT fundamentals, not point-in-time — apparent sector drift can reflect the market re-rating a holding, not a manager trade. 13F is a lagged quarterly snapshot of long positions in US-listed securities only — foreign companies held via a US listing or ADR ARE included, but shares listed only on non-US exchanges (plus shorts, options and cash) are not. Latest quarter: 35.3% of the book is sector-classified (unclassified names shown, never dropped).

Style box · size × value-growth placement of the reported book (2026-Q1), classified on current fundamentals (not point-in-time) — load it into PORT to overlay your own portfolio

Only 31% of book weight classified — the grid is NOT representative of the whole book.

holdings, colored by sector (169 classified)Round Rock Advisors LLC centroid (Mid Core)

Information TechnologyFinancialsIndustrialsConsumer DiscretionaryHealth CareCommunication ServicesMaterialsEnergyUtilitiesConsumer StaplesReal Estate

Style box summary for Round Rock Advisors LLC: centroid Mid Core. Heaviest cells: Large Growth 7.8%, Large Core 7.0%, Large Value 4.2%.

Classified: 30.7% of book weight (169/318 names) · unclassified 69.3%: VYM, QQQ, JPST, SMH, IJR, VO, XLI, DVY, XLV, SDSI +139 more. Size: cap 70/20/10 bands; style: value/growth composite on our own metrics — not Morningstar's model.

Contribution holdings-based, any period

No contribution data for this period.

Holdings· 318 positions (2026-Q1) · largest first · Δ vs 2025-Q4

#	Security	Shares	Value	Weight	Δ QoQ
1	VYMVANGUARD WHITEHALL FDS	312,896	$46M	7.1%	HOLD
2	QQQINVESCO QQQ TR	80,064	$46M	7.1%	HOLD
3	JPSTJ P MORGAN EXCHANGE TRADED F	906,061	$46M	7.0%	HOLD
4	SMHVANECK ETF TRUST	86,792	$33M	5.1%	HOLD
5	IJRISHARES TR	238,982	$30M	4.5%	HOLD
6	VOVANGUARD INDEX FDS	95,957	$28M	4.2%	HOLD
7	XLISELECT SECTOR SPDR TR	112,725	$18M	2.8%	HOLD
8	DVYISHARES TR	114,647	$17M	2.7%	ADD 3%
9	AAPLAPPLE INC	66,821	$17M	2.6%	HOLD
10	XLVSELECT SECTOR SPDR TR	107,918	$16M	2.4%	ADD 5%
11	SDSIAMERICAN CENTY ETF TR	287,522	$15M	2.3%	ADD 21%
12	BRK.ABERKSHIRE HATHAWAY INC DEL	19	$14M	2.1%	HOLD
13	NBSDNEUBERGER BERMAN ETF TRUST	248,191	$13M	1.9%	ADD 9%
14	MSFTMICROSOFT CORP	31,839	$12M	1.8%	HOLD
15	GOOGALPHABET INC	37,230	$11M	1.6%	HOLD
16	RSPINVESCO EXCHANGE TRADED FD T	45,026	$9M	1.3%	HOLD
17	XLKSELECT SECTOR SPDR TR	57,712	$8M	1.2%	TRIM −3%
18	AMZNAMAZON COM INC	34,077	$7M	1.1%	TRIM −12%
19	XLUSELECT SECTOR SPDR TR	126,323	$6M	0.9%	ADD 4%
20	SPYSTATE STR SPDR S&P 500 ETF T	8,745	$6M	0.9%	TRIM −28%
21	XOMEXXON MOBIL CORP	31,660	$5M	0.8%	HOLD
22	USMVISHARES TR	45,539	$4M	0.6%	HOLD
23	NVDANVIDIA CORPORATION	23,775	$4M	0.6%	HOLD
24	ABBVABBVIE INC	18,080	$4M	0.6%	TRIM −8%
25	ICEINTERCONTINENTAL EXCHANGE IN	23,854	$4M	0.6%	TRIM −8%
26	IVWISHARES TR	31,311	$4M	0.5%	HOLD
27	QQQMINVESCO EXCH TRADED FD TR II	14,138	$3M	0.5%	HOLD
28	WMBWILLIAMS COS INC	42,776	$3M	0.5%	HOLD
29	APDAIR PRODS & CHEMS INC	10,133	$3M	0.5%	TRIM −8%
30	CVXCHEVRON CORP NEW	13,353	$3M	0.4%	TRIM −7%
31	GOOGLALPHABET INC	9,558	$3M	0.4%	TRIM −6%
32	IVVISHARES TR	4,172	$3M	0.4%	ADD 48%
33	IBMINTERNATIONAL BUSINESS MACHS	11,207	$3M	0.4%	TRIM −17%
34	IBDRISHARES TR	109,995	$3M	0.4%	HOLD
35	CBCHUBB LIMITED	7,921	$3M	0.4%	TRIM −9%
36	JNJJOHNSON & JOHNSON	10,461	$3M	0.4%	ADD 9%
37	UNHUNITEDHEALTH GROUP INC	9,357	$3M	0.4%	TRIM −7%
38	COFCAPITAL ONE FINL CORP	13,106	$2M	0.4%	TRIM −10%
39	NEOGNEOGEN CORP	242,128	$2M	0.3%	ADD 54%
40	LBRTLIBERTY ENERGY INC	74,844	$2M	0.3%	TRIM −28%
41	EZBCFRANKLIN TEMPLETON DIGITAL H	54,727	$2M	0.3%	ADD 33%
42	APHAMPHENOL CORP	16,789	$2M	0.3%	HOLD
43	IBDSISHARES TR	86,797	$2M	0.3%	HOLD
44	FEIMFREQUENCY ELECTRS INC	46,092	$2M	0.3%	TRIM −5%
45	CCITIGROUP INC	17,988	$2M	0.3%	ADD 5%
46	HONHONEYWELL INTL INC	8,972	$2M	0.3%	TRIM −9%
47	VIGVANGUARD SPECIALIZED FUNDS	9,163	$2M	0.3%	HOLD
48	JEPIJPMorgan Equity Premium Income ETF	33,895	$2M	0.3%	TRIM −4%
49	BRK.BBERKSHIRE HATHAWAY INC DEL	3,941	$2M	0.3%	TRIM −20%
50	VTOLBRISTOW GROUP INC	39,984	$2M	0.3%	ADD 26%
51	PKEPARK AEROSPACE CORP	67,808	$2M	0.3%	HOLD
52	SSYSSTRATASYS LTD	223,922	$2M	0.3%	NEW
53	ELVELEVANCE HEALTH INC FORMERLY	5,847	$2M	0.3%	TRIM −9%
54	VGTVANGUARD WORLD FD	2,439	$2M	0.3%	TRIM −9%
55	HZOMARINEMAX INC	62,509	$2M	0.3%	ADD 20%
56	CPSHCPS TECHNOLOGIES CORP	435,522	$2M	0.2%	ADD 128%
57	PEPPEPSICO INC	10,093	$2M	0.2%	HOLD
58	JPMJPMORGAN CHASE & CO	5,250	$2M	0.2%	ADD 3%
59	REXREX AMERICAN RES CORP	33,424	$2M	0.2%	HOLD
60	PLUSEPLUS INC	20,197	$2M	0.2%	HOLD
61	VVVANGUARD INDEX FDS	5,039	$2M	0.2%	HOLD
62	DIASPDR DOW JONES INDL AVERAGE	3,188	$1M	0.2%	TRIM −2%
63	VOOVANGUARD INDEX FDS	2,439	$1M	0.2%	TRIM −3%
64	EPDENTERPRISE PRODS PARTNERS L	38,435	$1M	0.2%	HOLD
65	TMSLIVE OAK ACQUISITION CORP V	136,705	$1M	0.2%	NEW
66	IDRIDAHO STRATEGIC RESOURCES	43,988	$1M	0.2%	HOLD
67	NBBKNB BANCORP INC	66,467	$1M	0.2%	ADD 28%
68	TRNSTRANSCAT INC	19,024	$1M	0.2%	ADD 23%
69	VCSHVANGUARD SCOTTSDALE FDS	17,615	$1M	0.2%	TRIM −3%
70	BKSYBLACKSKY TECHNOLOGY INC	54,451	$1M	0.2%	ADD 50%
71	AEMAGNICO EAGLE MINES LTD	6,659	$1M	0.2%	TRIM −24%
72	NPKINPK INTERNATIONAL INC	92,505	$1M	0.2%	HOLD
73	CODACODA OCTOPUS GROUP INC	117,366	$1M	0.2%	ADD 135%
74	ALNTALLIENT INC	22,264	$1M	0.2%	HOLD
75	OPYOPPENHEIMER HLDGS INC	14,605	$1M	0.2%	HOLD
76	SPOTSPOTIFY TECHNOLOGY S A	2,663	$1M	0.2%	HOLD
77	NWPXNWPX INFRASTRUCTURE INC	16,466	$1M	0.2%	HOLD
78	ANETARISTA NETWORKS INC	10,420	$1M	0.2%	HOLD
79	TDOCTELADOC HEALTH INC	233,868	$1M	0.2%	HOLD
80	BNBROOKFIELD CORP	30,712	$1M	0.2%	HOLD
81	RTXRTX CORPORATION	6,435	$1M	0.2%	HOLD
82	PLPCPREFORMED LINE PRODS CO	4,576	$1M	0.2%	TRIM −41%
83	PSCPrincipal U.S. Small-Cap ETF	21,492	$1M	0.2%	ADD 354%
84	MRKMERCK & CO INC	9,835	$1M	0.2%	ADD 3%
85	EFAVISHARES TR	12,927	$1M	0.2%	HOLD
86	MUMICRON TECHNOLOGY INC	3,457	$1M	0.2%	TRIM −20%
87	MYFWFIRST WESTN FINL INC	47,431	$1M	0.2%	ADD 15%
88	LMATLEMAITRE VASCULAR INC	10,646	$1M	0.2%	HOLD
89	DELLDELL TECHNOLOGIES INC	7,056	$1M	0.2%	HOLD
90	GSGOLDMAN SACHS GROUP INC	1,353	$1M	0.2%	TRIM −4%
91	KOCOCA COLA CO	15,022	$1M	0.2%	ADD 34%
92	IJHISHARES TR	16,682	$1M	0.2%	HOLD
93	AEEAMEREN CORP	10,166	$1M	0.2%	HOLD
94	NXPINXP SEMICONDUCTORS N V	5,660	$1M	0.2%	TRIM −17%
95	SUSAISHARES TR	8,314	$1M	0.2%	TRIM −2%
96	VBKVANGUARD INDEX FDS	3,621	$1M	0.2%	HOLD
97	VTVVANGUARD INDEX FDS	5,470	$1M	0.2%	TRIM −3%
98	SHLSSHOALS TECHNOLOGIES GROUP IN	162,956	$1M	0.2%	HOLD
99	BLBDBLUE BIRD CORP	18,606	$1M	0.2%	HOLD
100	PSMTPRICESMART INC	6,886	$1M	0.2%	HOLD
101	SXISTANDEX INTL CORP	4,031	$1M	0.2%	HOLD
102	METAMETA PLATFORMS INC	1,791	$1M	0.2%	TRIM −15%
103	ICSHISHARES TR	20,226	$1M	0.2%	HOLD
104	WMTWALMART INC	8,228	$1M	0.2%	TRIM −29%
105	JEPQJ P MORGAN EXCHANGE TRADED F	18,185	$1M	0.2%	TRIM −6%
106	BNYBANK NEW YORK MELLON CORP	8,413	$998,034	0.2%	TRIM −11%
107	VTIPVANGUARD MALVERN FDS	19,727	$985,364	0.2%	TRIM −2%
108	MYRGMYR GROUP INC DEL	3,483	$983,321	0.2%	TRIM −30%
109	ARRYARRAY TECHNOLOGIES INC	133,803	$967,396	0.1%	HOLD
110	NFLXNETFLIX INC	10,050	$966,308	0.1%	HOLD
111	USLMUNITED STS LIME & MINERALS I	7,335	$958,024	0.1%	TRIM −33%
112	HAPNLENDINGCLUB CORP	65,554	$938,733	0.1%	TRIM −13%
113	LASRNLIGHT INC	16,339	$931,650	0.1%	ADD 144%
114	IWYISHARES TR	3,742	$931,159	0.1%	HOLD
115	SCHDSCHWAB STRATEGIC TR	30,277	$928,892	0.1%	TRIM −2%
116	SPLVINVESCO EXCH TRADED FD TR II	12,558	$918,515	0.1%	HOLD
117	DEDEERE & CO	1,628	$917,052	0.1%	HOLD
118	VIGIVanguard Whitehall Int'l Div. Apprec. ETF	10,250	$906,715	0.1%	HOLD
119	CVSCVS HEALTH CORP	12,599	$904,860	0.1%	TRIM −16%
120	AMPAMERIPRISE FINL INC	2,023	$899,021	0.1%	HOLD
121	SWIMLATHAM GROUP INC	164,558	$883,676	0.1%	HOLD
122	GRBKGREEN BRICK PARTNERS INC	13,692	$882,449	0.1%	HOLD
123	ITAIShares U.S. Aerospace & Defense ETF	3,954	$864,938	0.1%	ADD 24%
124	ORCLORACLE CORP	5,783	$850,737	0.1%	TRIM −11%
125	PFEPFIZER INC	30,216	$848,465	0.1%	TRIM −5%
126	VCITVANGUARD SCOTTSDALE FDS	10,238	$847,158	0.1%	HOLD
127	PBYIPUMA BIOTECHNOLOGY INC	128,912	$823,748	0.1%	ADD 23%
128	GEGE AEROSPACE	2,883	$818,177	0.1%	HOLD
129	MDPEDIATRIX MEDICAL GROUP INC	38,156	$816,157	0.1%	HOLD
130	SHYGISHARES TR	19,254	$814,658	0.1%	ADD 2%
131	CPRXCATALYST PHARMACEUTICALS INC	32,438	$803,165	0.1%	HOLD
132	DCODUCOMMUN INC DEL	6,542	$798,124	0.1%	NEW
133	VEAVANGUARD TAX-MANAGED FDS	12,434	$796,751	0.1%	HOLD
134	WHWYNDHAM HOTELS & RESORTS INC	9,805	$796,460	0.1%	TRIM −9%
135	MARMARRIOTT INTL INC NEW	2,430	$794,621	0.1%	HOLD
136	CCLDCARECLOUD INC	216,388	$789,816	0.1%	HOLD
137	IWPISHARES TR	6,150	$787,876	0.1%	HOLD
138	UTIUNIVERSAL TECHNICAL INST INC	21,346	$770,591	0.1%	ADD 38%
139	SONOSONOS INC	57,030	$764,202	0.1%	HOLD
140	EEMISHARES TR	13,417	$761,951	0.1%	HOLD
141	LSTRLANDSTAR SYS INC	4,684	$750,892	0.1%	NEW
142	CDNLCARDINAL INFRASTRUCTURE GROU	18,897	$749,455	0.1%	NEW
143	IVOGVANGUARD ADMIRAL FDS INC	5,889	$736,320	0.1%	HOLD
144	DGROISHARES CORE DIVIDEND GROWTH ETF	10,301	$722,919	0.1%	TRIM −5%
145	TCMDTACTILE SYS TECHNOLOGY INC	27,240	$711,781	0.1%	HOLD
146	ATMUATMUS FILTRATION TECHNOLOGIE	12,478	$708,376	0.1%	TRIM −7%
147	PGPROCTER AND GAMBLE CO	4,897	$707,323	0.1%	HOLD
148	OMCLOMNICELL COM	21,190	$707,322	0.1%	HOLD
149	MMM3M CO	4,841	$702,989	0.1%	TRIM −29%
150	CHCTCOMMUNITY HEALTHCARE TR INC	43,918	$697,857	0.1%	ADD 92%
151	AXPAMERICAN EXPRESS CO	2,297	$694,665	0.1%	TRIM −4%
152	KRNTKORNIT DIGITAL LTD	47,071	$690,061	0.1%	HOLD
153	AMSCAMERICAN SUPERCONDUCTOR CORP	20,340	$688,509	0.1%	ADD 90%
154	MDYSPDR S&P MIDCAP 400 ETF TR	1,101	$679,222	0.1%	TRIM −4%
155	BITFARMS LTD	248,493	$678,386	0.1%	TRIM −24%
156	IWMISHARES TR	2,711	$672,356	0.1%	HOLD
157	LRCXLAM RESEARCH CORP	3,142	$671,320	0.1%	NEW
158	GDXVANECK ETF TRUST GOLD MINERS ETF	7,227	$663,222	0.1%	TRIM −18%
159	VSGXVANGUARD WORLD FD	9,161	$657,119	0.1%	HOLD
160	WTTRSELECT WATER SOLUTIONS INC	42,585	$651,551	0.1%	HOLD
161	MCDMCDONALDS CORP	2,092	$650,173	0.1%	HOLD
162	SNOWSNOWFLAKE INC	4,310	$650,034	0.1%	HOLD
163	ESMLISHARES TR	13,618	$640,318	0.1%	HOLD
164	PRLBPROTO LABS INC	11,219	$639,707	0.1%	HOLD
165	VMDVIEMED HEALTHCARE INC	69,292	$638,179	0.1%	HOLD
166	ALKSALKERMES PLC	17,942	$634,429	0.1%	HOLD
167	CRMDCORMEDIX INC	92,681	$629,304	0.1%	HOLD
168	VZVERIZON COMMUNICATIONS INC	12,517	$628,340	0.1%	ADD 2%
169	ANIPANI PHARMACEUTICALS INC	8,076	$621,044	0.1%	HOLD
170	RBCRBC BEARINGS INC	1,142	$620,243	0.1%	ADD 3%
171	HDHOME DEPOT INC	1,880	$618,434	0.1%	HOLD
172	HROWHARROW INC	17,481	$616,380	0.1%	HOLD
173	OIIOCEANEERING INTL INC	17,312	$614,057	0.1%	ADD 52%
174	GLUEMONTE ROSA THERAPEUTICS INC	37,229	$612,417	0.1%	NEW
175	BCBRUNSWICK CORP	8,377	$609,511	0.1%	HOLD
176	TNLTRAVEL PLUS LEISURE CO	8,729	$603,960	0.1%	HOLD
177	GETYGETTY IMAGES HOLDINGS INC	757,634	$601,107	0.1%	ADD 63%
178	BDTXBLACK DIAMOND THERAPEUTICS I	274,367	$584,402	0.1%	ADD 120%
179	VBVANGUARD INDEX FDS	2,216	$580,381	0.1%	TRIM −8%
180	XERSXERIS BIOPHARMA HOLDINGS INC	96,816	$561,533	0.1%	HOLD
181	CMCSACOMCAST CORP NEW	19,469	$558,955	0.1%	HOLD
182	JOUTJOHNSON OUTDOORS INC	11,985	$557,422	0.1%	ADD 38%
183	LINDLINDBLAD EXPEDITIONS HLDGS I	32,067	$554,759	0.1%	NEW
184	INVXINNOVEX INTERNATIONAL INC	22,654	$552,531	0.1%	HOLD
185	ARLOARLO TECHNOLOGIES INC	38,355	$545,792	0.1%	HOLD
186	BXCBLUELINX HLDGS INC	10,017	$542,721	0.1%	ADD 24%
187	TCBITEXAS CAP BANCSHARES INC	5,577	$529,146	0.1%	HOLD
188	WPCW. P. Carey Inc.	7,634	$518,807	0.1%	HOLD
189	CGXUCapital Group International Focus - ETF	17,373	$512,330	0.1%	HOLD
190	VBRVANGUARD INDEX FDS	2,309	$501,630	0.1%	HOLD
191	DESWISDOMTREE TR	13,949	$501,327	0.1%	TRIM −3%
192	FNDFSCHWAB STRATEGIC TR	9,978	$488,224	0.1%	HOLD
193	ARQARQ INC	190,708	$488,212	0.1%	NEW
194	EYENATIONAL VISION HLDGS INC	18,717	$484,770	0.1%	HOLD
195	AORTARTIVION INC	13,223	$484,226	0.1%	HOLD
196	CERSCERUS CORP	264,966	$482,238	0.1%	HOLD
197	CHCICOMSTOCK HLDG COS INC	25,312	$479,409	0.1%	NEW
198	SCHXSCHWAB U.S. LARGE-CAP ETF	18,571	$476,160	0.1%	HOLD
199	MGRCMCGRATH RENTCORP	4,229	$466,374	0.1%	HOLD
200	ACAARCOSA INC	4,374	$464,256	0.1%	HOLD

showing the top 200 by weight

Position trends· top 15 holdings · shares held over 6 quarters

green added · red trimmed

Security

2024-Q4

2025-Q1

2025-Q2

2025-Q3

2025-Q4

2026-Q1

Latest value

VYMVANGUARD WHITEHALL FDS

265K

292K

297K

303K

308K

313K

$46M

QQQINVESCO QQQ TR

69K

77K

78K

81K

80K

$46M

JPSTJ P MORGAN EXCHANGE TRADED F

710K

997K

1.2M

880K

901K

906K

$46M

SMHVANECK ETF TRUST

78K

89K

90K

88K

87K

$33M

IJRISHARES TR

203K

220K

225K

238K

242K

239K

$30M

VOVANGUARD INDEX FDS

84K

92K

89K

94K

95K

96K

$28M

XLISELECT SECTOR SPDR TR

95K

107K

108K

110K

111K

113K

$18M

DVYISHARES TR

89K

103K

105K

108K

111K

115K

$17M

AAPLAPPLE INC

98K

88K

84K

70K

67K

$17M

XLVSELECT SECTOR SPDR TR

77K

89K

91K

100K

103K

108K

$16M

SDSIAMERICAN CENTY ETF TR

—

167K

238K

288K

$15M

BRK/ABERKSHIRE HATHAWAY INC DEL

$14M

NBSDNEUBERGER BERMAN ETF TRUST

—

168K

227K

248K

$13M

MSFTMICROSOFT CORP

37K

36K

34K

32K

$12M

GOOGALPHABET INC

42K

41K

40K

37K

$11M

Shares reported each quarter by the largest current holdings. Green = added vs the prior filing of that name, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.

☆Round Rock Advisors LLC

Implied return what this book implies · modeled, not advice methodology →

Exposures · what this manager owns, by sector & size (2026-Q1)

By sector

By market cap

By region

By industry group GICS — finer than sector

Top holdings

Sector allocation over time · how the GICS mix & top names shifted quarter by quarter

Style box · size × value-growth placement of the reported book (2026-Q1), classified on current fundamentals (not point-in-time) — load it into PORT to overlay your own portfolio

Contribution holdings-based, any period

Holdings· 318 positions (2026-Q1) · largest first · Δ vs 2025-Q4

Position trends· top 15 holdings · shares held over 6 quarters

Round Rock Advisors LLC