Sunriver Management LLC: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1663900) · Explore on the interactive board
Sunriver Management LLC disclosed 21 US equity positions worth $636.8m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 13, 2026). Its largest position is ARMK at 9.4% of the reported book, followed by WCN, SSNC. The top ten holdings are 62.8% of the book, and the portfolio behaves like about 18 equal-weight positions. Versus the prior filing it opened 11 new positions, added to 6, reduced 4 and exited 8. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Sunriver Management LLC own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 11 new, 6 added, 4 reduced, 8 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | ARMK ARAMARK | Industrials | 9.4% | $60.1m | 1,056,474 | -24% | reduced |
| 2 | WCN WASTE CONNECTIONS INC | Industrials | 9.0% | $57.3m | 343,513 | 6% | added |
| 3 | SSNC SS&C TECH HLDGS | Technology | 7.9% | $50.5m | 813,251 | 2% | added |
| 4 | DG DOLLAR GEN CORP | Consumer Defensive | 6.0% | $38.3m | 333,053 | – | new |
| 5 | FA FIRST ADVANTAGE CORP NEW | 5.5% | $35.0m | 1,940,912 | -36% | reduced | |
| 6 | BKNG BOOKING HOLDINGS INC | Consumer Cyclical | 5.4% | $34.7m | 194,470 | – | new |
| 7 | LII LENNOX INTL INC | Industrials | 5.3% | $33.8m | 59,007 | – | new |
| 8 | LYV LIVE NATION ENTERTAINMENT IN | Communication Services | 5.0% | $32.0m | 174,743 | 2% | added |
| 9 | CNM CORE & MAIN INC | Industrials | 4.7% | $29.9m | 620,017 | – | new |
| 10 | WEX WEX INC | Technology | 4.5% | $28.6m | 202,518 | -1% | reduced |
| 11 | GPC GENUINE PARTS CO | Consumer Cyclical | 4.5% | $28.5m | 241,980 | – | new |
| 12 | BOBS BOBS DISC FURNITURE INC | 4.0% | $25.6m | 1,616,590 | 7% | added | |
| 13 | PFGC PERFORMANCE FOOD GROUP CO | Consumer Defensive | 3.9% | $24.6m | 220,456 | -36% | reduced |
| 14 | CAE CAE INC | Industrials | 3.9% | $24.5m | 979,193 | 16% | added |
| 15 | MGRC MCGRATH RENTCORP | Industrials | 3.8% | $24.0m | 198,684 | – | new |
| 16 | NSP INSPERITY INC | Industrials | 3.4% | $21.4m | 516,995 | – | new |
| 17 | HURN HURON CONSULTING GROUP INC | Industrials | 3.3% | $21.2m | 235,663 | 1% | added |
| 18 | ROAD CONSTRUCTION PARTNERS INC | 3.3% | $20.8m | 175,223 | – | new | |
| 19 | WAY WAYSTAR HLDG CORP | Healthcare | 2.8% | $17.6m | 855,000 | – | new |
| 20 | SOLS SOLSTICE ADVANCED MATLS INC | Basic Materials | 2.7% | $17.4m | 196,879 | – | new |
| 21 | KFY KORN FERRY | Industrials | 1.7% | $10.9m | 163,836 | – | new |
What did Sunriver Management LLC sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| OPLN OPENLANE INC | 18.7% | $44.3m |
| VRRM VERRA MOBILITY CORP | 17.8% | $42.1m |
| CDW CDW CORP | 13.7% | $32.5m |
| CBZ CBIZ INC | 11.0% | $26.0m |
| FIS FIDELITY NATL INFORMATION SV | 10.9% | $25.7m |
| TRU TRANSUNION | 9.7% | $23.0m |
| LMT LOCKHEED MARTIN CORP | 9.3% | $21.9m |
| SWK STANLEY BLACK & DECKER INC | 8.8% | $20.8m |
Sector mix
| Sector | Weight |
|---|---|
| Industrials | 44.5% |
| Technology | 12.4% |
| Consumer Cyclical | 9.9% |
| Consumer Defensive | 9.9% |
| Communication Services | 5.0% |
| Healthcare | 2.8% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Sunriver Management LLC's portfolio?
Across every quarter Sunriver Management LLC has filed, its median largest position is 9.5% of the book and its median top-ten weight is 65.9%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 8.0 completed holding spells, the median lasted 1.0 quarters; 21.0 positions are still open and their final length is unknown.