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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
-1.92%
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
$954M
AUM Growth
+$33.9M
Cap. Flow
+$39M
Cap. Flow %
4.09%
Top 10 Hldgs %
55.69%
Holding
27
New
6
Increased
10
Reduced
7
Closed
4

Top Buys

Rank Stock Value
1
LMT icon
Lockheed Martin
LMT
+$61.9M
2
TRU icon
TransUnion
TRU
+$42.6M
3
CDW icon
CDW
CDW
+$24.9M
4
ACVA icon
ACV Auctions
ACVA
+$24M
5
LYV icon
Live Nation Entertainment
LYV
+$21.6M

Top Sells

Rank Stock Value
1
IAS
Integral Ad Science
IAS
+$72.4M
2
JAMF
Jamf
JAMF
+$41.7M
3
DLTR icon
Dollar Tree
DLTR
+$36.7M
4
HURN icon
Huron Consulting
HURN
+$28.3M
5
DV icon
DoubleVerify
DV
+$18.2M

Sector Composition

Rank Sector Weight
1 Industrials 38.85%
2 Technology 33.89%
3 Consumer Staples 9.33%
4 Consumer Discretionary 7.17%
5 Financials 4.66%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IAS
26
DELISTED
Integral Ad Science
IAS
– –
-7,120,157
Closed -$72.4M
JAMF
27
DELISTED
Jamf
JAMF
– –
-3,893,883
Closed -$41.7M
1
2

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BBL
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CFM
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1WCM
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AIP
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Sunriver Management's Q4 2025 Portfolio in Review

As of Q4 2025, Sunriver Management held 27 positions worth $954M, up 3.7% from $920M the previous quarter. Its ten largest holdings account for 56% of the portfolio.

Sunriver Management deployed $39M of net new capital in Q4 2025, opening 6 new positions and adding to 10 existing holdings. Its largest new stake was Lockheed Martin: 129,313 shares worth $62.5M.

By sector, the portfolio is most concentrated in Industrials at 39% of assets, up from 33% a quarter earlier, followed by Technology and Consumer Staples.

On the sell side, the largest reduction was Huron Consulting, an estimated $28.3M trimmed.

  • Sunriver Management's largest Q4 2025 buy was Lockheed Martin: 129,313 shares worth $62.5M.
  • Sunriver Management added most to CBIZ in Q4 2025, an estimated $20.6M increase.
  • Sunriver Management's biggest Q4 2025 reduction was Huron Consulting, cutting an estimated $28.3M.
  • Sunriver Management fully exited Integral Ad Science in Q4 2025, selling an estimated $72.4M.
  • Sunriver Management's ten largest holdings make up 56% of its $954M portfolio in Q4 2025.
  • Sunriver Management opened 6 new positions and closed 4 in Q4 2025.
  • Sunriver Management's portfolio value rose 3.7% quarter-over-quarter to $954M.

Based on Sunriver Management's 13F filing for Q4 2025, filed 13 Feb 2026.