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SP

Stockbridge Partners Portfolio holdings

AUM $4.14B
1-Year Est. Return 16.9%
This Fund
S&P 500
This Quarter Est. Return
+2.57%
1 Year Est. Return
+16.9%
3 Year Est. Return
+90.96%
5 Year Est. Return
+85.16%
10 Year Est. Return
+429.28%
AUM
$5.17B
AUM Growth
+$57M
Cap. Flow
-$30.5M
Cap. Flow %
-0.59%
Top 10 Hldgs %
88.93%
Holding
14
New
2
Increased
2
Reduced
10
Closed
–

Top Buys

Rank Stock Value
1
KLAC icon
KLA
KLAC
+$290M
2
NOW icon
ServiceNow
NOW
+$193M
3
WCN
Waste Connections
WCN
+$17.6M
4
KLAR
Klarna Group
KLAR
+$3.51M

Top Sells

Rank Stock Value
1
TMO icon
Thermo Fisher Scientific
TMO
+$188M
2
HLT icon
Hilton Worldwide
HLT
+$114M
3
VEEV icon
Veeva Systems
VEEV
+$71.8M
4
GWRE icon
Guidewire Software
GWRE
+$47.5M
5
MSFT icon
Microsoft
MSFT
+$42.5M

Sector Composition

Rank Sector Weight
1 Technology 39.38%
2 Industrials 28.03%
3 Consumer Discretionary 14.75%
4 Healthcare 9.47%
5 Materials 8.31%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TDG icon
1
TransDigm Group
TDG
$70.2B
$692M 13.39%
525,233
-7,318
-1% -$10.5M
TSM icon
2
TSMC
TSM
$2.1T
$594M 11.49%
2,128,453
-89,581
-4% -$21.9M
AMZN icon
3
Amazon
AMZN
$2.92T
$533M 10.3%
2,426,541
-56,708
-2% -$12.8M
MSFT icon
4
Microsoft
MSFT
$3.45T
$482M 9.32%
930,812
-83,360
-8% -$42.5M
VMC icon
5
Vulcan Materials
VMC
$34.8B
$430M 8.31%
1,396,525
-23,127
-2% -$6.57M
WCN
6
Waste Connections
WCN
$42.2B
$393M 7.6%
2,234,527
+96,753
+5% +$17.6M
VEEV icon
7
Veeva Systems
VEEV
$33.1B
$389M 7.52%
1,306,224
-255,060
-16% -$71.8M
NOW icon
8
ServiceNow
NOW
$115B
$386M 7.47%
2,098,975
+1,032,390
+97% +$193M
DE icon
9
Deere & Co
DE
$160B
$365M 7.05%
797,359
-38,298
-5% -$18.9M
KLAC icon
10
KLA
KLAC
$239B
$335M 6.48%
+3,106,750
New +$290M
GWRE icon
11
Guidewire Software
GWRE
$12.6B
$239M 4.62%
1,039,356
-208,766
-17% -$47.5M
HLT icon
12
Hilton Worldwide
HLT
$72.1B
$230M 4.45%
886,951
-420,442
-32% -$114M
TMO icon
13
Thermo Fisher Scientific
TMO
$213B
$101M 1.95%
207,584
-404,367
-66% -$188M
KLAR
14
Klarna Group
KLAR
$7.16B
$3.01M 0.06%
+82,119
New +$3.51M

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ZP
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SHCM
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AP
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BHC
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Stockbridge Partners's Q3 2025 Portfolio in Review

As of Q3 2025, Stockbridge Partners held 14 positions worth $5.17B, up 1.1% from $5.11B the previous quarter. Its ten largest holdings account for 89% of the portfolio.

Stockbridge Partners's Q3 2025 filing shows 2 new, 2 increased and 10 reduced positions. Its largest new stake was KLA: 3,106,750 shares worth $335M. The largest sale was Thermo Fisher Scientific, an estimated $188M.

By sector, the portfolio is most concentrated in Technology at 39% of assets, up from 30% a quarter earlier, followed by Industrials and Consumer Discretionary.

  • Stockbridge Partners's largest Q3 2025 buy was KLA: 3,106,750 shares worth $335M.
  • Stockbridge Partners added most to ServiceNow in Q3 2025, an estimated $193M increase.
  • Stockbridge Partners's biggest Q3 2025 reduction was Thermo Fisher Scientific, cutting an estimated $188M.
  • Stockbridge Partners's ten largest holdings make up 89% of its $5.17B portfolio in Q3 2025.
  • Stockbridge Partners opened 2 new positions and closed 0 in Q3 2025.
  • Stockbridge Partners's portfolio value rose 1.1% quarter-over-quarter to $5.17B.

Based on Stockbridge Partners's 13F filing for Q3 2025, filed 14 Nov 2025.