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Sunriver Management Portfolio holdings

AUM $591M
1-Year Est. Return 2.74%
This Fund
S&P 500
This Quarter Est. Return
-12.16%
1 Year Est. Return
-2.74%
3 Year Est. Return
+2.16%
5 Year Est. Return
-6.48%
10 Year Est. Return
+106.05%
AUM
$591M
AUM Growth
-$363M
Cap. Flow
-$278M
Cap. Flow %
-46.96%
Top 10 Hldgs %
69%
Holding
27
New
4
Increased
6
Reduced
8
Closed
9

Top Sells

Rank Stock Value
1
LMT icon
Lockheed Martin
LMT
+$57.3M
2
BOX icon
Box
BOX
+$52.1M
3
RTO icon
Rentokil
RTO
+$50M
4
SYY icon
Sysco
SYY
+$48.1M
5
NABL icon
N-able
NABL
+$45.9M

Sector Composition

Rank Sector Weight
1 Industrials 44.87%
2 Technology 31.35%
3 Consumer Discretionary 10.5%
4 Consumer Staples 5%
5 Communication Services 4.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
RTO icon
26
Rentokil
RTO
$12.2B
-1,697,919
Closed -$50M
SYY icon
27
Sysco
SYY
$40.6B
-652,768
Closed -$48.1M

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Sunriver Management's Q1 2026 Portfolio in Review

As of Q1 2026, Sunriver Management held 27 positions worth $591M, down 38% from $954M the previous quarter. Its ten largest holdings account for 69% of the portfolio.

Sunriver Management withdrew a net $278M in Q1 2026, closing 9 positions and reducing 8 holdings. Its most notable exit was Box, an estimated $52.1M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 45% of assets, up from 39% a quarter earlier, followed by Technology and Consumer Discretionary.

Against the trend, Sunriver Management opened a new position in Waste Connections worth $52.4M.

  • Sunriver Management's largest Q1 2026 buy was Waste Connections: 322,683 shares worth $52.4M.
  • Sunriver Management added most to SS&C Technologies in Q1 2026, an estimated $12.8M increase.
  • Sunriver Management's biggest Q1 2026 reduction was Lockheed Martin, cutting an estimated $57.3M.
  • Sunriver Management fully exited Box in Q1 2026, selling an estimated $52.1M.
  • Sunriver Management's ten largest holdings make up 69% of its $591M portfolio in Q1 2026.
  • Sunriver Management opened 4 new positions and closed 9 in Q1 2026.
  • Sunriver Management's portfolio value fell 38% quarter-over-quarter to $591M.

Based on Sunriver Management's 13F filing for Q1 2026, filed 14 May 2026.