Latest Round Rock Advisors, LLC Stock Portfolio

$653Million– No. of Holdings #316

Round Rock Advisors, LLC Performance:

2026 Q1: -0.56%YTD: -0.56%2025: 15.35%

Performance for 2026 Q1 is -0.56%, and YTD is -0.56%, and 2025 is 15.35%.

About Round Rock Advisors, LLC and 13F Hedge Fund Stock Holdings

Round Rock Advisors LLC is a hedge fund based in Wilton, CT. On 2026-05-15, the fund reported it's updated stock portfolio. In the 13F Holdings report, Round Rock Advisors LLC reported an equity portfolio of $653.5 Millions as of 31 Mar, 2026.

The top stock holdings of Round Rock Advisors LLC are VIGI, QQQ, BBAX. The fund has invested 7.1% of it's portfolio in VANGUARD WHITEHALL FDS and 7.1% of portfolio in INVESCO QQQ TR.

The fund managers got completely rid off LEGALZOOM COM INC (LZ), T1 ENERGY INC and OIL DRI CORP AMER (ODC) stocks. They significantly reduced their stock positions in SELECT SECTOR SPDR TR (XLB), PURECYCLE TECHNOLOGIES INC (PCT) and CECO ENVIRONMENTAL CORP (CECE). Round Rock Advisors LLC opened new stock positions in STRATASYS LTD (SSYS), LIVE OAK ACQUISITION CORP V and DUCOMMUN INC DEL (DCO). The fund showed a lot of confidence in some stocks as they added substantially to PRINCIPAL EXCHANGE TRADED FD (BTEC), NLIGHT INC (LASR) and CODA OCTOPUS GROUP INC (CODA).

Round Rock Advisors, LLC Equity Portfolio Value

Last Reported on: 15 May, 2026

Round Rock Advisors, LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Round Rock Advisors LLC made a return of -0.56% in the last quarter. In trailing 12 months, it's portfolio return was 17.51%.

Performance
S&P 500

New Buys

Ticker	$ Bought
stratasys ltd	1,748,830
live oak acquisition corp v	1,432,600
ducommun inc del	798,124
landstar sys inc	750,892
cardinal infrastructure grou	749,455
lam research corp	671,320
monte rosa therapeutics inc	612,417
lindblad expeditions hldgs i	554,759

New stocks bought by Round Rock Advisors, LLC

Additions

Ticker	% Inc.
principal exchange traded fd	353
nlight inc	144
coda octopus group inc	134
cps technologies corp	127
black diamond therapeutics i	120
community healthcare tr inc	92.31
american superconductor corp	89.93
getty images holdings inc	63.35

Additions to existing portfolio by Round Rock Advisors, LLC

Reductions

Ticker	% Reduced
select sector spdr tr	-92.31
purecycle technologies inc	-64.54
ceco environmental corp	-64.19
marvell technology inc	-53.86
broadcom inc	-51.74
advanced energy inds	-49.86
regeneron pharmaceuticals	-43.01
preformed line prods co	-41.37

Round Rock Advisors, LLC reduced stake in above stock

Sold off

Ticker	$ Sold
t1 energy inc	-1,198,930
legalzoom com inc	-1,584,620
digital turbine inc	-468,445
genius sports limited	-1,023,940
backblaze inc	-425,952
upland software inc	-129,173
powerfleet inc	-385,796
sleep number corp	-543,022

Round Rock Advisors, LLC got rid off the above stocks

Sector Distribution

Round Rock Advisors LLC has about 66.1% of it's holdings in Others sector.

Others
Technology
Healthcare
Industrials
Financial Services
Energy
Consumer Cyclical
Communication Services
Basic Materials
Utilities

Sector	%
Others	66.1
Technology	9.1
Healthcare	4.9
Industrials	4.1
Financial Services	3.4
Energy	3.1
Consumer Cyclical	2.9
Communication Services	2.6
Basic Materials	1.3
Utilities	1.1

Market Cap. Distribution

Round Rock Advisors LLC has about 20.9% of it's portfolio invested in the large-cap and mega-cap stocks.

UNALLOCATED
MEGA-CAP
SMALL-CAP
LARGE-CAP
MID-CAP

Category	%
UNALLOCATED	65.9
MEGA-CAP	14.8
SMALL-CAP	7.1
LARGE-CAP	6.1
MID-CAP	4.7

Stocks belong to which Index?

About 29.9% of the stocks held by Round Rock Advisors LLC either belong to S&P 500 or RUSSELL 2000 index.

Others
S&P 500
RUSSELL 2000

Index	%
Others	70.1
S&P 500	19.9
RUSSELL 2000	10

Top 5 Winners (%)		%
OCC	optical cable corp	85.4 %
	kodiak gas svcs inc	48.5 %
LBRT	liberty energy inc	48.1 %
WTTR	select water solutions inc	45.4 %
REX	rex american res corp	40.9 %

Top 5 Winners ($)		$
AFK	vaneck etf trust	2.0 M
XOM	exxon mobil corp	1.6 M
VIGI	vanguard whitehall fds	1.4 M
IJR	ishares tr	1.2 M
IJR	ishares tr	1.0 M

Top 5 Losers (%)		%
TDUP	thredup inc	-48.6 %
REAL	the realreal inc	-42.5 %
CRMD	cormedix inc	-41.5 %
RIGL	rigel pharmaceuticals inc	-36.9 %
GETY	getty images holdings inc	-35.7 %

Top 5 Losers ($)		$
MSFT	microsoft corp	-3.6 M
QQQ	invesco qqq tr	-3.0 M
AAPL	apple inc	-1.2 M
GOOG	alphabet inc	-1.0 M
XLB	select sector spdr tr	-0.9 M

Round Rock Advisors, LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Round Rock Advisors, LLC

Round Rock Advisors LLC has 316 stocks in it's portfolio. About 45.5% of the portfolio is in top 10 stocks. MSFT proved to be the most loss making stock for the portfolio. AFK was the most profitable stock for Round Rock Advisors LLC last quarter.

Last Reported on: 15 May, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AAON	aaon inc	0.07	5,345	442,299	added	1.65

AAPL	apple inc	2.60	66,821	16,958,600	reduced	-0.26

AAXJ	ishares tr	0.17	8,314	1,098,280	reduced	-2.5

AAXJ	ishares tr	0.13	3,954	864,938	added	23.56

AAXJ	ishares tr	0.04	2,665	282,890	unchanged	0.00

ABBV	abbvie inc	0.60	18,080	3,932,220	reduced	-7.81

ABCB	ameris bancorp	0.07	5,805	452,732	new

ACA	arcosa inc	0.07	4,374	464,256	added	1.58

ACWF	ishares tr	0.16	20,226	1,023,860	reduced	-0.92

ACWF	ishares tr	0.12	19,254	814,658	added	2.15

ACWF	ishares tr	0.11	10,301	722,919	reduced	-4.6

ADES	arq inc	0.07	190,708	488,212	new

AEE	ameren corp	0.17	10,166	1,117,450	unchanged	0.00

AEIS	advanced energy inds	0.07	1,426	460,184	reduced	-49.86

AEM	agnico eagle mines ltd	0.21	6,659	1,351,640	reduced	-24.33

AEMB	american centy etf tr	2.26	287,522	14,746,700	added	20.86

AFK	vaneck etf trust	5.09	86,792	33,275,900	reduced	-1.67

AFK	vaneck etf trust	0.10	7,227	663,222	reduced	-18.4

AFTY	pacer fds tr	0.04	5,740	257,554	unchanged	0.00

AGT	ishares tr	0.41	109,995	2,666,270	added	0.08