Sunriver Management LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 13, 2025), Sunriver Management LLC reported 21 stock positions worth $920.0 million. Its top holding was Integral Ad Science (IAS) at 7.9% of the portfolio, followed by Huron Consulting (HURN, 7.2%) and Verra Mobility (VRRM, 6.1%). Compared with Q2 2025, it opened 3 new positions, sold out of 5, added to 8 and reduced 10. The biggest buy was a new position in Sysco (SYY) and the biggest sale an exit from Fiserv (FISV).
- Most Recent 13F
- Q2 2026
- Location
- GREENWICH, CT
- CIK
- 0001663900
- Portfolio Value
- $920.0M (Q3 2025)
- SEC Filing
- 0001892688-25-000189 ↗ filed Nov 13, 2025
Holdings Value
Holdings 21 stocks · $920.0M
| IAS Integral Ad Science Holding | 7.87% | 7,120,157 | $72.4M | Reduce -19.3% |
| HURN Huron Consulting Group Inc. | 7.21% | 451,985 | $66.3M | Add +19.5% |
| VRRM Verra Mobility Corp. | 6.13% | 2,284,774 | $56.4M | Add +10.7% |
| RTO Rentokil Initial PLC-SP ADR | 5.45% | 1,985,245 | $50.1M | Reduce -3.5% |
| BOX Box Inc. Class A | 5.32% | 1,517,828 | $49.0M | Add +31.0% |
| WEX Wex Inc. | 5.28% | 308,081 | $48.5M | Reduce -9.6% |
| NABL N-Able Inc. | 5.27% | 6,211,878 | $48.5M | Reduce -2.9% |
| PFGC Performance Food Group Co. | 5.24% | 463,141 | $48.2M | Reduce -29.3% |
| SYY Sysco Corp. | 4.98% | 556,343 | $45.8M | New |
| SSNC Ss&c Technologies Holdings | 4.89% | 507,017 | $45.0M | Add +4.7% |
| HII Huntington Ingalls Industrie | 4.86% | 155,407 | $44.7M | Add +19.0% |
| IQV Iqvia Holdings Inc. | 4.73% | 229,104 | $43.5M | New |
| OPLN Openlane Inc. | 4.66% | 1,491,108 | $42.9M | Reduce -34.2% |
| SWK Stanley Black & Decker Inc. | 4.58% | 567,473 | $42.2M | Add +299.7% |
| JAMF Jamf Holding Corp. filed as JAMF HLDG CORP | 4.53% | 3,893,883 | $41.7M | Reduce -13.8% |
| DLTR Dollar Tree Inc. | 3.99% | 389,168 | $36.7M | Reduce -0.7% |
| FA First Advantage Corp. | 3.93% | 2,350,614 | $36.2M | Add +46.1% |
| CBZ Cbiz Inc. | 3.44% | 596,762 | $31.6M | New |
| ARMK Aramark | 3.41% | 817,261 | $31.4M | Reduce -34.0% |
| RPAY Repay Holdings Corp. | 2.23% | 3,928,000 | $20.5M | Add +5.6% |
| DV Doubleverify Holdings Inc. | 1.98% | 1,523,175 | $18.2M | Reduce -9.9% |
Portfolio Sells Q2 2025 → Q3 2025
| FISV Fiserv Inc. | Sold out | 0.00% | −5.06 |
| FIS Fidelity National Info Serv | Sold out | 0.00% | −4.82 |
| AMPL Amplitude Inc. Class A | Sold out | 0.00% | −4.44 |
| WTW Willis Towers Watson PLC | Sold out | 0.00% | −2.58 |
| ARMK Aramark | Reduce -34.0% | 3.41% | −2.15 |
| OPLN Openlane Inc. | Reduce -34.2% | 4.66% | −1.28 |
| PSFE Paysafe Ltd. | Sold out | 0.00% | −0.93 |
| PFGC Performance Food Group Co. | Reduce -29.3% | 5.24% | −0.91 |
| DV Doubleverify Holdings Inc. | Reduce -9.9% | 1.98% | −0.73 |
| NABL N-Able Inc. | Reduce -2.9% | 5.27% | −0.29 |
| DLTR Dollar Tree Inc. | Reduce -0.7% | 3.99% | −0.17 |
| WEX Wex Inc. | Reduce -9.6% | 5.28% | −0.10 |
| JAMF Jamf Holding Corp. | Reduce -13.8% | 4.53% | −0.08 |
| IAS Integral Ad Science Holding | Reduce -19.3% | 7.87% | +0.01 |
| RTO Rentokil Initial PLC-SP ADR | Reduce -3.5% | 5.45% | +0.15 |
Portfolio Buys Q2 2025 → Q3 2025
| SYY Sysco Corp. | New | 4.98% | +4.98 |
| IQV Iqvia Holdings Inc. | New | 4.73% | +4.73 |
| SWK Stanley Black & Decker Inc. | Add +299.7% | 4.58% | +3.55 |
| CBZ Cbiz Inc. | New | 3.44% | +3.44 |
| HURN Huron Consulting Group Inc. | Add +19.5% | 7.21% | +1.63 |
| HII Huntington Ingalls Industrie | Add +19.0% | 4.86% | +1.48 |
| BOX Box Inc. Class A | Add +31.0% | 5.32% | +1.08 |
| FA First Advantage Corp. | Add +46.1% | 3.93% | +1.07 |
| SSNC Ss&c Technologies Holdings | Add +4.7% | 4.89% | +0.59 |
| VRRM Verra Mobility Corp. | Add +10.7% | 6.13% | +0.51 |
| RPAY Repay Holdings Corp. | Add +5.6% | 2.23% | +0.31 |
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 |