13F

Investor

Sunriver Management LLC

CIK 0001663900 · filed 2026-05-14 · SEC filing

13F book

$591.3M

Positions

18

4 new · 9 sold

Largest name

9.6%

Aramark · ARMK

Est. mark

−$77M

Price effect on 14 names still held. Flow −$285.5M.
NameTickerSharesValueWeightEst. markChange
AramarkARMK1.4M$56.7M9.6%$4.97MAdded$6.88M
Ss&C Technologies Hldgs Inc797.8K$53.9M9.1%−$12.5MAdded−$1.24M
Waste Connections, Inc.WCN322.7K$52.4M8.9%New
OPENLANE, Inc.OPLN1.52M$44.3M7.5%−$944.1KAdded−$371.8K
Verra Mobility CorpVRRM2.94M$42.1M7.1%−$23.9MCut−$24.2M
First Advantage Corp New3.03M$35.7M6.0%−$7.37MAdded−$3M
CDW CorpCDW268.4K$32.5M5.5%−$2.57MAdded$9.46M
WEX Inc.WEX203.7K$31.2M5.3%$827KCut−$17.9M
Huron Consulting Group Inc.HURN233.8K$29.8M5.0%−$10.6MCut−$18.4M
Performance Food Group CoPFGC345.2K$29.6M5.0%−$1.47MCut−$11.3M
Live Nation Entertainment In170.7K$26M4.4%$1.5MAdded$4.65M
CBIZ, Inc.CBZ968.6K$26M4.4%−$22.9MCut−$23.9M
Fidelity Natl Information Sv548.9K$25.7M4.4%New
TransunionTRU331.8K$23M3.9%−$5.49MCut−$21.5M
CAE IncCAE844.4K$22M3.7%New
Lockheed Martin CorpLMT36.3K$21.9M3.7%$4.38MCut−$40.6M
Stanley Black & Decker, Inc.SWK293K$20.8M3.5%−$943.6KCut−$11.4M
Bobs Disc Furniture Inc1.52M$17.8M3.0%New

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.