Latest Sunriver Management LLC Stock Portfolio

$591Million– No. of Holdings #18

Sunriver Management LLC Performance:

2026 Q1: -9.9%YTD: -9.9%2025: -0.62%

Performance for 2026 Q1 is -9.9%, and YTD is -9.9%, and 2025 is -0.62%.

About Sunriver Management LLC and 13F Hedge Fund Stock Holdings

Sunriver Management LLC is a hedge fund based in Greenwich, CT. On 2026-05-14, the fund reported it's updated stock portfolio. In the 13F Holdings report, Sunriver Management LLC reported an equity portfolio of $591.3 Millions as of 31 Mar, 2026.

The top stock holdings of Sunriver Management LLC are ARMK, SSNC, WCN. The fund has invested 9.6% of it's portfolio in ARAMARK and 9.1% of portfolio in SS&C TECH HLDGS.

The fund managers got completely rid off BOX INC (BOX), RENTOKIL INITIAL PLC (RTO) and SYSCO CORP (SYY) stocks. They significantly reduced their stock positions in LOCKHEED MARTIN CORP (LMT), WEX INC (WEX) and TRANSUNION (TRU). Sunriver Management LLC opened new stock positions in WASTE CONNECTIONS INC (WCN), FIDELITY NATL INFORMATION SV (FIS) and CAE INC (CAE). The fund showed a lot of confidence in some stocks as they added substantially to CDW CORP (CDW), SS&C TECH HLDGS (SSNC) and FIRST ADVANTAGE CORP NEW (FA).

Sunriver Management LLC Equity Portfolio Value

Last Reported on: 14 May, 2026

Sunriver Management LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Sunriver Management LLC made a return of -9.9% in the last quarter. In trailing 12 months, it's portfolio return was -3.72%.

Performance
S&P 500

New Buys

Ticker	$ Bought
waste connections inc	52,416,600
fidelity natl information sv	25,747,000
cae inc	21,996,400
bobs disc furniture inc	17,830,000

New stocks bought by Sunriver Management LLC

Additions

Ticker	% Inc.
cdw corp	58.81
ss&c tech hldgs	26.47
first advantage corp new	13.96
live nation entertainment in	13.77
aramark	3.47
openlane inc	1.31

Additions to existing portfolio by Sunriver Management LLC

Reductions

Ticker	% Reduced
lockheed martin corp	-71.95
wex inc	-38.12
transunion	-35.93
stanley black & decker inc	-32.43
performance food group co	-24.02
huron consulting group inc	-16.22
cbiz inc	-2.09
verra mobility corp	-0.44

Sunriver Management LLC reduced stake in above stock

Sold off

Ticker	$ Sold
n-able inc	-45,886,600
repay hldgs corp	-15,919,600
acv auctions inc	-23,767,900
ccc intelligent solutions hl	-15,900,000
box inc	-52,081,300
rentokil initial plc	-50,020,700
sysco corp	-48,102,500
iqvia hldgs inc	-36,857,500

Sunriver Management LLC got rid off the above stocks

Sector Distribution

Sunriver Management LLC has about 52.1% of it's holdings in Industrials sector.

Industrials
Technology
Consumer Cyclical
Others
Consumer Defensive
Communication Services

Sector	%
Industrials	52.1
Technology	24.2
Consumer Cyclical	7.5
Others	6.7
Consumer Defensive	5
Communication Services	4.4

Market Cap. Distribution

Sunriver Management LLC has about 57.9% of it's portfolio invested in the large-cap and mega-cap stocks.

LARGE-CAP
MID-CAP
SMALL-CAP
UNALLOCATED

Category	%
LARGE-CAP	57.9
MID-CAP	24.9
SMALL-CAP	10.4
UNALLOCATED	6.7

Stocks belong to which Index?

About 51.6% of the stocks held by Sunriver Management LLC either belong to S&P 500 or RUSSELL 2000 index.

Others
RUSSELL 2000
S&P 500

Index	%
Others	48.5
RUSSELL 2000	30.1
S&P 500	21.5

Top 5 Winners (%)		%
LMT	lockheed martin corp	16.0 %
ARMK	aramark	9.8 %
LYV	live nation entertainment in	6.6 %
WEX	wex inc	2.2 %

Top 5 Winners ($)		$
LMT	lockheed martin corp	10.0 M
ARMK	aramark	5.1 M
LYV	live nation entertainment in	1.6 M
WEX	wex inc	1.1 M

Top 5 Losers (%)		%
CBZ	cbiz inc	-46.3 %
VRRM	verra mobility corp	-36.1 %
HURN	huron consulting group inc	-24.1 %
SSNC	ss&c tech hldgs	-20.8 %
FA	first advantage corp new	-18.1 %

Top 5 Losers ($)		$
VRRM	verra mobility corp	-24.0 M
CBZ	cbiz inc	-23.1 M
SSNC	ss&c tech hldgs	-14.2 M
HURN	huron consulting group inc	-11.6 M
FA	first advantage corp new	-7.9 M

Sunriver Management LLC Holdings Map

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

Current Stock Holdings of Sunriver Management LLC

Sunriver Management LLC has 18 stocks in it's portfolio. About 69% of the portfolio is in top 10 stocks. VRRM proved to be the most loss making stock for the portfolio. LMT was the most profitable stock for Sunriver Management LLC last quarter.

Last Reported on: 14 May, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
ACVA	acv auctions inc	0.00	0.00	0.00	sold off	-100

ARMK	aramark	9.59	1,398,350	56,689,100	added	3.47

BOX	box inc	0.00	0.00	0.00	sold off	-100

CAE	cae inc	3.72	844,393	21,996,400	new

CBZ	cbiz inc	4.40	968,631	26,007,700	reduced	-2.09

CCCS	ccc intelligent solutions hl	0.00	0.00	0.00	sold off	-100

CDW	cdw corp	5.49	268,356	32,476,400	added	58.81

FA	first advantage corp new	6.03	3,032,710	35,664,700	added	13.96

FIS	fidelity natl information sv	4.35	548,860	25,747,000	new

HII	huntington ingalls inds inc	0.00	0.00	0.00	sold off	-100

HURN	huron consulting group inc	5.04	233,820	29,809,700	reduced	-16.22

IQV	iqvia hldgs inc	0.00	0.00	0.00	sold off	-100

KAR	openlane inc	7.48	1,518,200	44,255,400	added	1.31

LMT	lockheed martin corp	3.71	36,270	21,921,200	reduced	-71.95

LYV	live nation entertainment in	4.40	170,661	26,027,500	added	13.77

NABL	n-able inc	0.00	0.00	0.00	sold off	-100

PFGC	performance food group co	5.00	345,211	29,570,800	reduced	-24.02

RPAY	repay hldgs corp	0.00	0.00	0.00	sold off	-100

RTO	rentokil initial plc	0.00	0.00	0.00	sold off	-100

SSNC	ss&c tech hldgs	9.12	797,849	53,910,700	added	26.47