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Sunriver Management LLC

SEC CIK
0001663900
Latest filing
Aug 13, 2026

Holdings in Q2 2021

Holdings as of Jun 30, 2021, filed Aug 16, 2021. Long positions only; changes compare share counts with Q1 2021.

Institution overview
Positions
20
+1 vs. Q1 2021
Portfolio value
$587.7M
+$52.9M (+9.9%) vs. Q1 2021
Filed
Aug 16, 2021
SEC
Holdings of Sunriver Management LLC in Q2 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
SSNCSS&C Technologies Holdings IncCOM807,479$58.2M9.9%+71,963+9.8%AddedHistory
DNBDun & Bradstreet Holdings, Inc.COM2,381,168$50.9M8.7%+1,509,356+173.1%AddedHistory
SAICScience Applications International CorpCOM576,687$50.6M8.6%+92,053+19.0%AddedHistory
FISVFiserv IncStock456,848$48.8M8.3%+109,778+31.6%AddedHistory
DSEYDiversey Holdings, Ltd.ORD SHS2,181,347$39.1M6.6%+2,181,347NewHistory
WABWestinghouse Air Brake Technologies CorpStock441,063$36.3M6.2%−13,233−2.9%ReducedHistory
DLBDolby Laboratories, Inc.COM CL A359,597$35.3M6.0%+175,041+94.8%AddedHistory
USFDUS Foods Holding Corp.COM865,635$33.2M5.6%+178,719+26.0%AddedHistory
BOXBox IncCL A1,274,744$32.6M5.5%−757,771−37.3%ReducedHistory
RCMR1 RCM Holdco Inc.COM1,461,832$32.5M5.5%+1,461,832NewHistory
NSPInsperity, Inc.COM328,650$29.7M5.1%+67,549+25.9%AddedHistory
SEICSEI Investments CoCOM460,542$28.5M4.9%−221,771−32.5%ReducedHistory
DOORMasonite International CorpCOM254,866$28.5M4.8%+17,665+7.4%AddedHistory
OTISOtis Worldwide CorpStock295,148$24.1M4.1%−293,304−49.8%ReducedHistory
CWKCushman & Wakefield Ltd.SHS1,286,960$22.5M3.8%+353,421+37.9%AddedHistory
VRRMVerra Mobility CorpCL A COM STK1,029,757$15.8M2.7%+1,029,757NewHistory
Far Peak Acquisition CorpG3312L103SHS CL A1,066,481$10.6M1.8%−8,482−0.8%Reduced–
Austerlitz Acquisition CorpG0633U101COM CL A991,343$9.65M1.6%+991,343New–
Far Peak Acquisition CorpG3312L111*W EXP 12/07/202355,493$505.0K0.1%−2,828−0.8%Reduced–
Austerlitz Acquisition CorpG0633U127*W EXP 02/19/202247,836$310.0K0.1%+247,836New–

Sold out since Q1 2021 (4)

Positions held at the end of Q1 2021 that are gone from this filing.

Positions of Sunriver Management LLC sold out since Q1 2021
SecurityClassShares in Q1 2021Value in Q1 2021% of portfolio in Q1 2021History
TLNDTalend S.A.ADS628,532$40.0M7.5%History
CSXCSX CorpStock291,001$28.1M5.2%History
WTWWillis Towers Watson PLCSHS80,959$18.5M3.5%History
Austerlitz Acquisition CorpG0633U119UNIT 99/99/9999999,230$10.0M1.9%–