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 (2026-06-30)

Sunriver Management LLC (CIK 1663900) reported $636.8M across 21 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: ARMK ($60.1M, 9.44%), WCN ($57.3M, 8.99%), SSNC ($50.5M, 7.92%), DG ($38.3M, 6.02%), FA ($35.0M, 5.50%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1ARMKARAMARK$60.1M9.44%1.1MTrimmed
2WCNWASTE CONNECTIONS INC$57.3M8.99%343,513Added
3SSNCSS&C TECH HLDGS$50.5M7.92%813,251Added
4DGDOLLAR GEN CORP$38.3M6.02%333,053New
5FAFIRST ADVANTAGE CORP NEW$35.0M5.50%1.9MTrimmed
6BKNGBOOKING HOLDINGS INC$34.7M5.44%194,470New
7LIILENNOX INTL INC$33.8M5.31%59,007New
8LYVLIVE NATION ENTERTAINMENT IN$32.0M5.02%174,743Added
9CNMCORE & MAIN INC$29.9M4.70%620,017New
10WEXWEX INC$28.6M4.49%202,518Trimmed
11GPCGENUINE PARTS CO$28.5M4.48%241,980New
12BOBSBOBS DISC FURNITURE INC$25.6M4.02%1.6MAdded
13PFGCPERFORMANCE FOOD GROUP CO$24.6M3.87%220,456Trimmed
14CAECAE INC$24.5M3.85%979,193Added
15MGRCMCGRATH RENTCORP$24.0M3.78%198,684New
16NSPINSPERITY INC$21.4M3.35%516,995New
17HURNHURON CONSULTING GROUP INC$21.2M3.34%235,663Added
18ROADCONSTRUCTION PARTNERS INC$20.8M3.27%175,223New
19WAYWAYSTAR HLDG CORP$17.6M2.76%855,000New
20SOLSSOLSTICE ADVANCED MATLS INC$17.4M2.74%196,879New
21KFYKORN FERRY$10.9M1.71%163,836New
22CBZCBIZ INC$00.00%0Exited
23LMTLOCKHEED MARTIN CORP$00.00%0Exited
24SWKSTANLEY BLACK & DECKER INC$00.00%0Exited
25TRUTRANSUNION$00.00%0Exited

Source: SEC Form 13F filings · as of 2026-06-30