Sunriver Management LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 13, 2026), Sunriver Management LLC reported 21 stock positions worth $636.8 million. Its top holding was Aramark (ARMK) at 9.4% of the portfolio, followed by Waste Connections (WCN, 9.0%) and Ss&c Technologies (SSNC, 7.9%). Compared with Q1 2026, it opened 11 new positions, sold out of 8, added to 6 and reduced 4. The biggest buy was a new position in Dollar General (DG) and the biggest sale an exit from Openlane (OPLN).
- Most Recent 13F
- Q2 2026
- Location
- GREENWICH, CT
- CIK
- 0001663900
- Portfolio Value
- $636.8M (Q2 2026)
- SEC Filing
- 0001892688-26-000115 ↗ filed Aug 13, 2026
Holdings Value
Holdings 21 stocks · $636.8M
| ARMK Aramark | 9.44% | 1,056,474 | $60.1M | Reduce -24.4% |
| WCN Waste Connections Inc. | 8.99% | 343,513 | $57.3M | Add +6.5% |
| SSNC Ss&c Technologies Holdings | 7.92% | 813,251 | $50.5M | Add +1.9% |
| DG Dollar General Corp. | 6.02% | 333,053 | $38.3M | New |
| FA First Advantage Corp. | 5.50% | 1,940,912 | $35.0M | Reduce -36.0% |
| BKNG Booking Holdings Inc. | 5.44% | 194,470 | $34.7M | New |
| LII Lennox International Inc. | 5.31% | 59,007 | $33.8M | New |
| LYV Live Nation Entertainment Inc. | 5.02% | 174,743 | $32.0M | Add +2.4% |
| CNM Core & Main Inc. Class A | 4.70% | 620,017 | $29.9M | New |
| WEX Wex Inc. | 4.49% | 202,518 | $28.6M | Reduce -0.6% |
| GPC Genuine Parts Co. | 4.48% | 241,980 | $28.5M | New |
| BOBS Bob's Discount Furniture | 4.02% | 1,616,590 | $25.6M | Add +6.5% |
| PFGC Performance Food Group Co. | 3.87% | 220,456 | $24.6M | Reduce -36.1% |
| CAE Cae Inc. | 3.85% | 979,193 | $24.5M | Add +16.0% |
| MGRC McGrath Rentcorp | 3.78% | 198,684 | $24.0M | New |
| NSP Insperity Inc. | 3.35% | 516,995 | $21.4M | New |
| HURN Huron Consulting Group Inc. | 3.34% | 235,663 | $21.2M | Add +0.8% |
| ROAD Construction Partners Inc. Class A | 3.27% | 175,223 | $20.8M | New |
| WAY Waystar Holding Corp. | 2.76% | 855,000 | $17.6M | New |
| SOLS Solstice Adv Materials Inc. | 2.74% | 196,879 | $17.4M | New |
| KFY Korn Ferry | 1.71% | 163,836 | $10.9M | New |
Portfolio Sells Q1 2026 → Q2 2026
| OPLN Openlane Inc. | Sold out | 0.00% | −7.48 |
| VRRM Verra Mobility Corp. | Sold out | 0.00% | −7.11 |
| CDW CDW Corp. | Sold out | 0.00% | −5.49 |
| CBZ Cbiz Inc. | Sold out | 0.00% | −4.40 |
| FIS Fidelity National Info Serv | Sold out | 0.00% | −4.35 |
| TRU Transunion | Sold out | 0.00% | −3.88 |
| LMT Lockheed Martin Corp. | Sold out | 0.00% | −3.71 |
| SWK Stanley Black & Decker Inc. | Sold out | 0.00% | −3.52 |
| PFGC Performance Food Group Co. | Reduce -36.1% | 3.87% | −1.13 |
| WEX Wex Inc. | Reduce -0.6% | 4.49% | −0.78 |
| FA First Advantage Corp. | Reduce -36.0% | 5.50% | −0.53 |
| ARMK Aramark | Reduce -24.4% | 9.44% | −0.15 |
Portfolio Buys Q1 2026 → Q2 2026
| DG Dollar General Corp. | New | 6.02% | +6.02 |
| BKNG Booking Holdings Inc. | New | 5.44% | +5.44 |
| LII Lennox International Inc. | New | 5.31% | +5.31 |
| CNM Core & Main Inc. Class A | New | 4.70% | +4.70 |
| GPC Genuine Parts Co. | New | 4.48% | +4.48 |
| MGRC McGrath Rentcorp | New | 3.78% | +3.78 |
| NSP Insperity Inc. | New | 3.35% | +3.35 |
| ROAD Construction Partners Inc. Class A | New | 3.27% | +3.27 |
| WAY Waystar Holding Corp. | New | 2.76% | +2.76 |
| SOLS Solstice Adv Materials Inc. | New | 2.74% | +2.74 |
| KFY Korn Ferry | New | 1.71% | +1.71 |
| BOBS Bob's Discount Furniture | Add +6.5% | 4.02% | +1.00 |
| LYV Live Nation Entertainment Inc. | Add +2.4% | 5.02% | +0.62 |
| CAE Cae Inc. | Add +16.0% | 3.85% | +0.13 |
| WCN Waste Connections Inc. | Add +6.5% | 8.99% | +0.13 |
| SSNC Ss&c Technologies Holdings | Add +1.9% | 7.92% | −1.19 |
| HURN Huron Consulting Group Inc. | Add +0.8% | 3.34% | −1.70 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 21 | $636.8M | ARMK, WCN, SSNC, DG, FA |
| Q1 2026 | 18 | $591.3M | ARMK, SSNC, WCN, OPLN, VRRM |
| Q4 2025 | 23 | $953.9M | VRRM, LMT, SSNC, BOX, RTO |
| Q3 2025 | 21 | $920.0M | IAS, HURN, VRRM, RTO, BOX |
| Q2 2025 | 23 | $932.6M | IAS, PFGC, OPLN, VRRM, HURN |
| Q1 2025 | 22 | $810.3M | IAS, PFGC, WEX, HURN, FIS |
| Q4 2024 | 19 | $835.7M | PFGC, IAS, DNB, HURN, WTW |
| Q3 2024 | 17 | $813.5M | IAS, PFGC, DNB, OPLN, WEX |
| Q2 2024 | 20 | $790.0M | DNB, IAS, PFGC, WTW, SSNC |
| Q1 2024 | 20 | $765.2M | IAS, DNB, PFGC, CACI, OPLN |