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Stockbridge Partners

Stockbridge Partners Portfolio holdings

AUM $4.75B Turnover 26.32%
1-Year Est. Return 18.52%
This Fund
S&P 500
This Quarter Est. Return
+17.93%
1 Year Est. Return
+18.52%
3 Year Est. Return
+93.46%
5 Year Est. Return
+100.51%
10 Year Est. Return
+494.94%
AUM
$4.75B
AUM Growth
+$614M
Cap. Flow
-$58.9M
Cap. Flow %
-1.24%
Top 10 Hldgs %
86.29%
Holding
19
New
3
Increased
8
Reduced
5
Closed
2
Avg Time Held
2.6 years
Top 10 Avg Time Held
3.3 years
Top 20 Avg Time Held
2.6 years

Top Buys

Rank Stock Value
1
FWONK icon
Liberty Media Corporation Series C Common Stock
FWONK
+$258M
2
WWD icon
Woodward
WWD
+$103M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$99.5M
4
GWRE icon
Guidewire Software
GWRE
+$83.1M
5
V icon
Visa
V
+$70.6M

Top Sells

Rank Stock Value
1
WCN icon
Waste Connections
WCN
+$204M
2
KLAC icon
KLA
KLAC
+$196M
3
MSFT icon
Microsoft
MSFT
+$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 Held Since
TSM icon
1
TSMC
TSM
$2.14T
$990M 20.83%
2,072,924
-78,751
-4% -$32M
2025 Q1
5 quarters
TDG icon
2
TransDigm Group
TDG
$63B
$578M 12.17%
434,281
– –
2013 Q2
52 quarters
GOOGL icon
3
Alphabet (Google) Class A
GOOGL
$4.17T
$448M 9.42%
1,252,838
+276,356
+28% +$99.5M
2025 Q4
2 quarters
AMZN icon
4
Amazon
AMZN
$2.7T
$423M 8.91%
1,776,149
-698,782
-28% -$175M
2016 Q3
39 quarters
DE icon
5
Deere & Co
DE
$173B
$360M 7.57%
567,456
+2,523
+0.4% +$1.46M
2024 Q2
8 quarters
FWONK icon
6
Liberty Media Corporation Series C Common Stock
FWONK
$22.8B
$344M 7.23%
3,613,069
+2,883,475
+395% +$258M
2026 Q1
1 quarter
VMC icon
7
Vulcan Materials
VMC
$33.4B
$314M 6.62%
1,065,963
-75,709
-7% -$21.7M
2020 Q2
24 quarters
NVDA icon
8
NVIDIA
NVDA
$5.17T
$259M 5.45%
1,295,226
-236,892
-15% -$48.7M
2026 Q1
1 quarter
WCN icon
9
Waste Connections
WCN
$42.2B
$194M 4.07%
1,161,217
-1,289,952
-53% -$204M
2023 Q4
10 quarters
V icon
10
Visa
V
$756B
$191M 4.02%
557,138
+219,828
+65% +$70.6M
2026 Q1
1 quarter
ALSN icon
11
Allison Transmission
ALSN
$9.23B
$169M 3.56%
1,499,984
+469,586
+46% +$57M
2026 Q1
1 quarter
MA icon
12
Mastercard
MA
$541B
$164M 3.46%
319,922
+113,948
+55% +$56.8M
2026 Q1
1 quarter
WWD icon
13
Woodward
WWD
$19.4B
$115M 2.42%
+270,673
New +$103M
2026 Q2
0 quarters
GWRE icon
14
Guidewire Software
GWRE
$13.8B
$93.5M 1.97%
759,827
+623,392
+457% +$83.1M
2018 Q1
33 quarters
VEEV icon
15
Veeva Systems
VEEV
$50.3B
$71.8M 1.51%
+404,617
New +$66.7M
2026 Q2
0 quarters
MLM icon
16
Martin Marietta Materials
MLM
$35.6B
$24.5M 0.52%
42,450
+10,237
+32% +$6.07M
2026 Q1
1 quarter
TTAN icon
17
ServiceTitan Inc
TTAN
$7.23B
$13.3M 0.28%
+188,565
New +$12.1M
2026 Q2
0 quarters
KLAC icon
18
KLA
KLAC
$216B
– –
-1,332,710
Closed -$196M –
MSFT icon
19
Microsoft
MSFT
$3.93T
– –
-525,737
Closed -$195M –

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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 Corporation Series C Common Stock 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.