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SP

Stockbridge Partners Portfolio holdings

AUM $4.75B
1-Year Est. Return 18.52%
This Fund
S&P 500
This Quarter Est. Return
1 Year Est. Return
+18.52%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$4.75B
AUM Growth
+$614M
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
19
New
Increased
Reduced
Closed

Top Buys

Rank Stock Value
1
+$258M
2
+$103M
3
+$99.5M
4
GWRE icon
Guidewire Software
GWRE
+$83.1M
5
V icon
Visa
V
+$70.6M

Top Sells

Rank Stock Value
1
+$204M
2
+$196M
3
+$195M
4
AMZN icon
Amazon
AMZN
+$175M
5
NVDA icon
NVIDIA
NVDA
+$48.7M

Sector Composition

Rank Sector Weight
1 Technology 28.53%
2 Industrials 26.24%
3 Communication Services 16.65%
4 Consumer Discretionary 12.46%
5 Financials 7.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TSM icon
1
TSMC
TSM
$2.14T
$990M 20.83%
2,072,924
-78,751
TDG icon
2
TransDigm Group
TDG
$68.2B
$578M 12.17%
434,281
GOOGL icon
3
Alphabet (Google) Class A
GOOGL
$4.21T
$448M 9.42%
1,252,838
+276,356
AMZN icon
4
Amazon
AMZN
$2.8T
$423M 8.91%
1,776,149
-698,782
DE icon
5
Deere & Co
DE
$159B
$360M 7.57%
567,456
+2,523
FWONK icon
6
Liberty Media Series C
FWONK
$25.6B
$344M 7.23%
3,613,069
+2,883,475
VMC icon
7
Vulcan Materials
VMC
$35.2B
$314M 6.62%
1,065,963
-75,709
NVDA icon
8
NVIDIA
NVDA
$5.32T
$259M 5.45%
1,295,226
-236,892
WCN
9
Waste Connections
WCN
$41.6B
$194M 4.07%
1,161,217
-1,289,952
V icon
10
Visa
V
$680B
$191M 4.02%
557,138
+219,828
ALSN icon
11
Allison Transmission
ALSN
$10.4B
$169M 3.56%
1,499,984
+469,586
MA icon
12
Mastercard
MA
$503B
$164M 3.46%
319,922
+113,948
WWD icon
13
Woodward
WWD
$21.6B
$115M 2.42%
+270,673
GWRE icon
14
Guidewire Software
GWRE
$14.8B
$93.5M 1.97%
759,827
+623,392
VEEV icon
15
Veeva Systems
VEEV
$39.4B
$71.8M 1.51%
+404,617
MLM icon
16
Martin Marietta Materials
MLM
$31.4B
$24.5M 0.52%
42,450
+10,237
TTAN
17
ServiceTitan Inc
TTAN
$8.69B
$13.3M 0.28%
+188,565
KLAC icon
18
KLA
KLAC
$255B
– –
-1,332,710
MSFT icon
19
Microsoft
MSFT
$3.58T
– –
-525,737

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GS
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SAMU
SONA Asset Management (US) New York $4.76B AUM 23.76% 1-Year Est. Return
LPPI
Local Pensions Partnership Investment London, United Kingdom $4.77B AUM 20.5% 1-Year Est. Return
VFA
Valeo Financial Advisors Carmel, Indiana $4.74B AUM 27.69% 1-Year Est. Return
NHC
Nicholas Hoffman & Company Atlanta, Georgia $4.74B AUM 18.12% 1-Year Est. Return
PTC
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KCM
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Stockbridge Partners's Q2 2026 Portfolio in Review

As of Q2 2026, Stockbridge Partners held 19 positions worth $4.75B, up 15% from $4.14B the previous quarter. Its ten largest holdings account for 86% of the portfolio.

Stockbridge Partners's Q2 2026 filing shows 3 new, 8 increased, 5 reduced and 2 closed positions. Its largest new stake was Woodward: 270,673 shares worth $115M. The largest sale was Waste Connections, an estimated $204M.

By sector, the portfolio is most concentrated in Technology at 29% of assets, down from 34% a quarter earlier, followed by Industrials and Communication Services.

  • Stockbridge Partners's largest Q2 2026 buy was Woodward: 270,673 shares worth $115M.
  • Stockbridge Partners added most to Liberty Media Series C in Q2 2026, an estimated $258M increase.
  • Stockbridge Partners's biggest Q2 2026 reduction was Waste Connections, cutting an estimated $204M.
  • Stockbridge Partners fully exited KLA in Q2 2026, selling an estimated $196M.
  • Stockbridge Partners's ten largest holdings make up 86% of its $4.75B portfolio in Q2 2026.
  • Stockbridge Partners opened 3 new positions and closed 2 in Q2 2026.
  • Stockbridge Partners's portfolio value rose 15% quarter-over-quarter to $4.75B.

Based on Stockbridge Partners's 13F filing for Q2 2026, filed 14 Aug 2026.