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Sunriver Management LLC

SEC CIK
0001663900
Latest filing
Aug 13, 2026

Holdings in Q4 2021

Holdings as of Dec 31, 2021, filed Feb 11, 2022. Long positions only; changes compare share counts with Q3 2021.

Institution overview
Positions
17
−4 vs. Q3 2021
Portfolio value
$633.6M
+$4.44M (+0.7%) vs. Q3 2021
Filed
Feb 11, 2022
SEC
Holdings of Sunriver Management LLC in Q4 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
SSNCSS&C Technologies Holdings IncCOM851,228$69.8M11.0%−30,893−3.5%ReducedHistory
DNBDun & Bradstreet Holdings, Inc.COM2,934,938$60.1M9.5%−106,516−3.5%ReducedHistory
FISVFiserv IncStock559,720$58.1M9.2%+70,595+14.4%AddedHistory
RCMR1 RCM Holdco Inc.COM1,878,721$47.9M7.6%−440,601−19.0%ReducedHistory
DSEYDiversey Holdings, Ltd.ORD SHS3,595,915$47.9M7.6%+600,342+20.0%AddedHistory
BOXBox IncCL A1,694,176$44.4M7.0%−61,487−3.5%ReducedHistory
SAICScience Applications International CorpCOM515,127$43.1M6.8%−85,978−14.3%ReducedHistory
DLBDolby Laboratories, Inc.COM CL A411,682$39.2M6.2%+155,525+60.7%AddedHistory
VRRMVerra Mobility CorpCL A COM STK2,134,121$32.9M5.2%+625,075+41.4%AddedHistory
PFGCPerformance Food Group CoCOM668,862$30.7M4.8%+668,862NewHistory
WABWestinghouse Air Brake Technologies CorpStock332,813$30.7M4.8%−45,404−12.0%ReducedHistory
DOORMasonite International CorpCOM257,733$30.4M4.8%−7,924−3.0%ReducedHistory
MSPDatto Holding Corp.COM1,043,385$27.5M4.3%+1,043,385NewHistory
NABLN-able, Inc.COMMON STOCK2,032,144$22.6M3.6%+622,273+44.1%AddedHistory
Neogames S AL6673X107SHS606,487$16.8M2.7%+349,648+136.1%Added–
USFDUS Foods Holding Corp.COM481,609$16.8M2.6%−635,279−56.9%ReducedHistory
SPRSpirit AeroSystems Holdings, Inc.COM CL A345,879$14.9M2.4%+345,879NewHistory

Sold out since Q3 2021 (7)

Positions held at the end of Q3 2021 that are gone from this filing.

Positions of Sunriver Management LLC sold out since Q3 2021
SecurityClassShares in Q3 2021Value in Q3 2021% of portfolio in Q3 2021History
WTWWillis Towers Watson PLCSHS120,468$28.0M4.5%History
NSPInsperity, Inc.COM181,574$20.1M3.2%History
SEICSEI Investments CoCOM265,162$15.7M2.5%History
DLTRDollar Tree, Inc.COM148,591$14.2M2.3%History
GPNGlobal Payments IncStock73,469$11.6M1.8%History
Austerlitz Acquisition CorpG0633U101COM CL A1,033,318$10.1M1.6%–
Austerlitz Acquisition CorpG0633D125*W EXP 02/19/202258,330$271.0K<0.1%–