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Sunriver Management LLC

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13F filer, CIK 1663900, GREENWICH, CT

Sunriver Management LLC reported $932,576,921 across 23 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-13. Its ten largest share positions make up 58% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001892688-25-000146

Period
2025-06-30
Reported value
$933M
Holdings
23
Top 10 weight
58%
New
5
Sold out
4

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ARMKnew+1,238,712$51.9M
FISVnew+273,954$47.2M
SSNCnew+484,343$40.1M
DLTRnew+391,852$38.8M
HIInew+130,590$31.5M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
INFORMATICA INCexited-1,725,372-$30.1M
FAreduced-1,811,806-$30.1M
SYYexited-260,434-$19.5M
ICLRexited-106,136-$18.6M
CRSRexited-1,888,561-$16.7M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2025

Share positions as resolved from 13F-HR 0001892688-25-000146, largest first. % of portfolio is the value over $932,576,921, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
INTEGRAL AD SCIENCE HLDNG COINTEGRAL AD SCIENCE HLDNG COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,641,466 shares; 2024Q4: 7,291,034 shares; 2025Q1: 8,166,774 shares; 2025Q2: 8,822,914 shares 8,822,914$73.3M7.86%+656,140
PFGCPERFORMANCE FOOD GROUP COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 931,885 shares; 2024Q4: 911,692 shares; 2025Q1: 727,716 shares; 2025Q2: 655,400 shares 655,400$57.3M6.15%-72,316Timeline
OPLNOPENLANE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,341,764 shares; 2024Q4: 2,665,054 shares; 2025Q1: 2,263,449 shares; 2025Q2: 2,266,701 shares 2,266,701$55.4M5.94%+3,252Timeline
VRRMVERRA MOBILITY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 1,385,585 shares; 2025Q1: 1,920,395 shares; 2025Q2: 2,064,798 shares 2,064,798$52.4M5.62%+144,403Timeline
HURNHURON CONSULTING GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 439,629 shares; 2024Q4: 486,597 shares; 2025Q1: 341,908 shares; 2025Q2: 378,211 shares 378,211$52M5.58%+36,303Timeline
ARMKARAMARKQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,238,712 shares 1,238,712$51.9M5.56%newTimeline
NABLN-ABLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,806,020 shares; 2024Q4: 3,562,302 shares; 2025Q1: 4,580,663 shares; 2025Q2: 6,398,641 shares 6,398,641$51.8M5.56%+1,817,978Timeline
WEXWEX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 264,533 shares; 2024Q4: 178,579 shares; 2025Q1: 314,069 shares; 2025Q2: 340,956 shares 340,956$50.1M5.37%+26,887Timeline
RTORENTOKIL INITIAL PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 954,773 shares; 2025Q2: 2,057,126 shares 2,057,126$49.4M5.29%+1,102,353Timeline
FISVFISERV INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 198,444 shares; 2024Q4: 129,691 shares; 2025Q1: not reported; 2025Q2: 273,954 shares 273,954$47.2M5.06%newTimeline
FISFIDELITY NATL INFORMATION SVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 405,777 shares; 2024Q4: 307,401 shares; 2025Q1: 653,399 shares; 2025Q2: 552,375 shares 552,375$45M4.82%-101,024Timeline
JAMFJAMF HOLDING CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 3,077,674 shares; 2025Q2: 4,519,582 shares 4,519,582$43M4.61%+1,441,908Timeline
AMPLAMPLITUDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,035,208 shares; 2024Q4: 3,772,808 shares; 2025Q1: 3,850,928 shares; 2025Q2: 3,339,327 shares 3,339,327$41.4M4.44%-511,601Timeline
SSNCSS&C TECH HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 624,955 shares; 2024Q4: 536,237 shares; 2025Q1: not reported; 2025Q2: 484,343 shares 484,343$40.1M4.3%newTimeline
BOXBOX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,571,978 shares; 2024Q4: 949,452 shares; 2025Q1: 1,546,862 shares; 2025Q2: 1,158,499 shares 1,158,499$39.6M4.24%-388,363Timeline
DLTRDOLLAR TREE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 391,852 shares 391,852$38.8M4.16%newTimeline
HIIHUNTINGTON INGALLS INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 130,590 shares 130,590$31.5M3.38%newTimeline
FAFIRST ADVANTAGE CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,976,637 shares; 2024Q4: 2,292,235 shares; 2025Q1: 3,420,507 shares; 2025Q2: 1,608,701 shares 1,608,701$26.7M2.87%-1,811,806Timeline
DVDOUBLEVERIFY HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,681,779 shares; 2025Q2: 1,689,893 shares 1,689,893$25.3M2.71%+8,114Timeline
WTWWILLIS TOWERS WATSON PLC LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 174,404 shares; 2024Q4: 175,627 shares; 2025Q1: 106,647 shares; 2025Q2: 78,461 shares 78,461$24M2.58%-28,186Timeline
RPAYREPAY HLDGS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,416,840 shares; 2024Q4: 6,043,368 shares; 2025Q1: 6,168,501 shares; 2025Q2: 3,718,652 shares 3,718,652$17.9M1.92%-2,449,849Timeline
SWKSTANLEY BLACK & DECKER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 354,527 shares; 2025Q1: 385,105 shares; 2025Q2: 141,964 shares 141,964$9.62M1.03%-243,141Timeline
PSFEPAYSAFE LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,205,649 shares; 2025Q2: 688,442 shares 688,442$8.69M0.93%-517,207Timeline

Sold out in Q2 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
INFORMATICA INCINFORMATICA INC1,725,372$30.1Mshares
SYYSYSCO CORP260,434$19.5Mshares
ICLRICON PUB LTD CO106,136$18.6Mshares
CRSRCORSAIR GAMING INC1,888,561$16.7Mshares

How Q2 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001892688-25-000146 base2025-08-13acceptance time not in the bulk data set