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Super Investors Sunriver Management LLC
SM

Sunriver Management LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$637M
Positions
21
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (43 quarters reported)

$954M $149M
Q4 15 Q1 18 Q2 20 Q3 22 Q4 24 Q2 26

$149M in Q4 2015 → $637M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Aramark 9.4% Trimmed 24% 1,056,474 $60.1M
Waste Connections Inc 9.0% Added 6.5% 343,513 $57.3M
ST SS&C Tech Hldgs 7.9% Added 1.9% 813,251 $50.5M
DG Dollar Gen Corp 6.0% New 333,053 $38.3M
FA First Advantage Corp New 5.5% Trimmed 36% 1,940,912 $35M
Booking Holdings Inc 5.4% New 194,470 $34.7M
LI Lennox Intl Inc 5.3% New 59,007 $33.8M
LN Live Nation Entertainment In 5.0% Added 2.4% 174,743 $32M
Core & Main Inc 4.7% New 620,017 $29.9M
Wex Inc 4.5% Trimmed 0.6% 202,518 $28.6M
Genuine Parts Co 4.5% New 241,980 $28.5M
BD Bobs Disc Furniture Inc 4.0% Added 6.5% 1,616,590 $25.6M
Performance Food Group Co 3.9% Trimmed 36% 220,456 $24.6M
Cae Inc 3.9% Added 16% 979,193 $24.5M
Mcgrath Rentcorp 3.8% New 198,684 $24M
Insperity Inc 3.4% New 516,995 $21.4M
Huron Consulting Group Inc 3.3% Added 0.8% 235,663 $21.2M
Construction Partners Inc 3.3% New 175,223 $20.8M
WH Waystar Hldg Corp 2.8% New 855,000 $17.6M
SA Solstice Advanced Matls Inc 2.7% New 196,879 $17.4M
Korn Ferry 1.7% New 163,836 $10.9M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 13, 2026

Company Action Shares changed Value of change % of portfolio
Openlane Inc Exited −1,518,196 −$44.3M —
Verra Mobility Corp Exited −2,943,917 −$42.1M —
DG Dollar Gen Corp New +333,053 +$38.3M 6.0%
Booking Holdings Inc New +194,470 +$34.7M 5.4%
LI Lennox Intl Inc New +59,007 +$33.8M 5.3%
Cdw Corp Exited −268,356 −$32.5M —
Core & Main Inc New +620,017 +$29.9M 4.7%
Genuine Parts Co New +241,980 +$28.5M 4.5%
Cbiz Inc Exited −968,631 −$26M —
FN Fidelity Natl Information Sv Exited −548,860 −$25.7M —

Showing the 10 largest of 29 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Lockheed Martin Corp Trimmed −93,043 −$56.2M 3.7%
Waste Connections Inc New +322,683 +$52.4M 8.9%
Box Inc Exited −1,741,267 −$52.1M —
Rentokil Initial PLC Exited −1,697,919 −$50M —
Sysco Corp Exited −652,768 −$48.1M —
N-able Inc Exited −6,134,573 −$45.9M —
HI Huntington Ingalls Inds Inc Exited −115,217 −$39.2M —
IH Iqvia Hldgs Inc Exited −163,513 −$36.9M —
FN Fidelity Natl Information Sv New +548,860 +$25.7M 4.4%
Acv Auctions Inc Exited −2,963,578 −$23.8M —

Showing the 10 largest of 27 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
IA Integral Ad Science Hldng Co Exited −7,120,157 −$72.4M —
Lockheed Martin Corp New +129,313 +$62.5M 6.6%
Transunion New +517,921 +$44.4M 4.7%
JH Jamf Hldg Corp Exited −3,893,883 −$41.7M —
Dollar Tree Inc Exited −389,168 −$36.7M —
Huron Consulting Group Inc Trimmed −172,896 −$29.9M 5.1%
Acv Auctions Inc New +2,963,578 +$23.8M 2.5%
Cdw Corp New +168,982 +$23M 2.4%
LN Live Nation Entertainment In New +150,000 +$21.4M 2.2%
Cbiz Inc Added +392,587 +$19.8M 5.2%

Showing the 10 largest of 27 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 13, 2025

Company Action Shares changed Value of change % of portfolio
Fiserv Inc Exited −273,954 −$47.2M —
Sysco Corp New +556,343 +$45.8M 5.0%
FN Fidelity Natl Information Sv Exited −552,375 −$45M —
IH Iqvia Hldgs Inc New +229,104 +$43.5M 4.7%
Amplitude Inc Exited −3,339,327 −$41.4M —
Stanley Black & Decker Inc Added +425,509 +$31.6M 4.6%
Cbiz Inc New +596,762 +$31.6M 3.4%
WT Willis Towers Watson PLC Ltd Exited −78,461 −$24M —
Openlane Inc Trimmed −775,593 −$22.3M 4.7%
Performance Food Group Co Trimmed −192,259 −$20M 5.2%

Showing the 10 largest of 26 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 13, 2025

Company Action Shares changed Value of change % of portfolio
Aramark New +1,238,712 +$51.9M 5.6%
Fiserv Inc New +273,954 +$47.2M 5.1%
ST SS&C Technologies Hldgs Inc New +484,343 +$40.1M 4.3%
Dollar Tree Inc New +391,852 +$38.8M 4.2%
HI Huntington Ingalls Inds Inc New +130,590 +$31.5M 3.4%
Informatica Inc Exited −1,725,372 −$30.1M —
FA First Advantage Corp New Trimmed −1,811,806 −$30.1M 2.9%
Rentokil Initial PLC Added +1,102,353 +$26.5M 5.3%
Sysco Corp Exited −260,434 −$19.5M —
Icon PLC Exited −106,136 −$18.6M —

Showing the 10 largest of 27 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
D& Dun & Bradstreet Hldgs Inc Exited −5,256,682 −$65.5M —
ST SS&C Technologies Hldgs Inc Exited −536,237 −$40.6M —
JH Jamf Hldg Corp New +3,077,674 +$37.4M 4.6%
Cargurus Inc Exited −880,753 −$32.2M —
Informatica Inc New +1,725,372 +$30.1M 3.7%
Fiserv Inc Exited −129,691 −$26.6M —
FN Fidelity Natl Information Sv Added +345,998 +$25.8M 6.0%
WT Willis Towers Watson PLC Ltd Trimmed −68,980 −$23.3M 4.4%
DH Doubleverify Hldgs Inc New +1,681,779 +$22.5M 2.8%
Rentokil Initial PLC New +954,773 +$21.9M 2.7%

Showing the 10 largest of 26 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
Icon PLC New +185,859 +$39M 4.7%
Verra Mobility Corp New +1,385,585 +$33.5M 4.0%
Stanley Black & Decker Inc New +354,527 +$28.5M 3.4%
SV Savers Value Vlg Inc Exited −2,303,748 −$24.2M —
Box Inc Trimmed −622,526 −$19.7M 3.6%
Wex Inc Trimmed −85,954 −$15.1M 3.7%
Fiserv Inc Trimmed −68,753 −$14.1M 3.2%
Openlane Inc Trimmed −676,710 −$13.4M 6.3%
FN Fidelity Natl Information Sv Trimmed −98,376 −$7.95M 3.0%
Amplitude Inc Added +737,600 +$7.78M 4.8%

Showing the 10 largest of 20 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 13, 2024

Company Action Shares changed Value of change % of portfolio
Wex Inc New +264,533 +$55.5M 6.8%
D& Dun & Bradstreet Hldgs Inc Trimmed −2,859,264 −$32.9M 7.9%
Five Below Inc Exited −235,753 −$25.7M —
Zuora Inc Exited −2,584,351 −$25.7M —
CI Caci Intl Inc Exited −53,199 −$22.9M —
Huron Consulting Group Inc Added +179,273 +$19.5M 5.9%
Corsair Gaming Inc Exited −1,579,156 −$17.4M —
Amplitude Inc Added +1,820,387 +$16.3M 3.3%
ST SS&C Technologies Hldgs Inc Trimmed −198,766 −$14.8M 5.7%
RH Repay Hldgs Corp Added +1,467,591 +$12M 5.4%

Showing the 10 largest of 21 changes.

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