Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Sunriver Management LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

Sunriver Management LLC (CIK 1663900) reported $591.3M across 17 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: ARMK ($56.7M, 9.59%), SSNC ($53.9M, 9.12%), WCN ($52.4M, 8.86%), KAR ($44.3M, 7.48%), VRRM ($42.1M, 7.11%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1ARMKARAMARK$56.7M9.59%1.4MAdded
2SSNCSS&C TECH HLDGS$53.9M9.12%797,849Added
3WCNWASTE CONNECTIONS INC$52.4M8.86%322,683New
4KAROPENLANE INC$44.3M7.48%1.5MAdded
5VRRMVERRA MOBILITY CORP$42.1M7.11%2.9MTrimmed
6FAFIRST ADVANTAGE CORP NEW$35.7M6.03%3.0MAdded
7CDWCDW CORP$32.5M5.49%268,356Added
8WEXWEX INC$31.2M5.27%203,694Trimmed
9HURNHURON CONSULTING GROUP INC$29.8M5.04%233,820Trimmed
10PFGCPERFORMANCE FOOD GROUP CO$29.6M5.00%345,211Trimmed
11CBZCBIZ INC$26.0M4.40%968,631Trimmed
12LYVLIVE NATION ENTERTAINMENT IN$26.0M4.40%170,661Added
13FISFIDELITY NATL INFORMATION SV$25.7M4.35%548,860New
14TRUTRANSUNION$23.0M3.88%331,809Trimmed
15CAECAE INC$22.0M3.72%844,393New
16LMTLOCKHEED MARTIN CORP$21.9M3.71%36,270Trimmed
17SWKSTANLEY BLACK & DECKER INC$20.8M3.52%293,036Trimmed
18BOBS DISC FURNITURE INC$17.8M3.02%1.5MNew
19BOXBOX INC$00.00%0Exited
20ACVAACV AUCTIONS INC$00.00%0Exited
21CCCSCCC INTELLIGENT SOLUTIONS HL$00.00%0Exited
22HIIHUNTINGTON INGALLS INDS INC$00.00%0Exited
23IQVIQVIA HLDGS INC$00.00%0Exited
24NABLN-ABLE INC$00.00%0Exited
25RTORENTOKIL INITIAL PLC$00.00%0Exited

Source: SEC Form 13F filings · as of 2026-03-31