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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
-1.75%
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
$4.14B
AUM Growth
-$404M
(-8.9%)
Cap. Flow
-$227M
Cap. Flow
% of AUM
-5.49%
Top 10 Holdings %
Top 10 Hldgs %
89.69%
Holding
19
New
6
Increased
5
Reduced
5
Closed
3
Avg Time Held
2.9
years
Top 10 Avg Time Held
3.6
years
Top 20 Avg Time Held
2.9
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$281M |
| 2 |
Allison Transmission
ALSN
|
+$117M |
| 3 |
Amazon
AMZN
|
+$110M |
| 4 |
Mastercard
MA
|
+$108M |
| 5 |
Visa
V
|
+$108M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Veeva Systems
VEEV
|
+$291M |
| 2 |
ServiceNow
NOW
|
+$291M |
| 3 |
Guidewire Software
GWRE
|
+$199M |
| 4 |
Deere & Co
DE
|
+$120M |
| 5 |
Microsoft
MSFT
|
+$93.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 33.96% |
| 2 | Industrials | 29.47% |
| 3 | Consumer Discretionary | 15.37% |
| 4 | Communication Services | 8.28% |
| 5 | Materials | 7.97% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1
TSMC
TSM
$2.19T
| $727M | 17.57% |
2,151,675
+30,755
| +1% | +$10.6M |
2025 Q1
4 quarters
|
|
|
2
Amazon
AMZN
$2.75T
| $515M | 12.45% |
2,474,931
+499,065
| +25% | +$110M |
2016 Q3
38 quarters
|
|
3
TransDigm Group
TDG
$62.7B
| $503M | 12.16% |
434,281
+1
| +0% | +$1.31K |
2013 Q2
51 quarters
|
|
4
Waste Connections
WCN
$41.6B
| $398M | 9.62% |
2,451,169
+83,856
| +4% | +$14M |
2023 Q4
9 quarters
|
|
|
5
Deere & Co
DE
$175B
| $318M | 7.69% |
564,933
-213,262
| -27% | -$120M |
2024 Q2
7 quarters
|
|
6
Vulcan Materials
VMC
$32.7B
| $311M | 7.51% |
1,141,672
-175,412
| -13% | -$51.6M |
2020 Q2
23 quarters
|
|
7
Alphabet (Google) Class A
GOOGL
$4.27T
| $281M | 6.78% |
976,482
+51,076
| +6% | +$16M |
2025 Q4
1 quarter
|
|
|
8
NVIDIA
NVDA
$5.25T
| $267M | 6.46% |
+1,532,118
| New | +$281M |
2026 Q1
0 quarters
|
|
9
KLA
KLAC
$228B
| $196M | 4.74% |
1,332,710
-196,770
| -13% | -$28.8M |
2025 Q3
2 quarters
|
|
|
10
Microsoft
MSFT
$4.01T
| $195M | 4.7% |
525,737
-222,837
| -30% | -$93.2M |
2021 Q1
20 quarters
|
|
|
11
Allison Transmission
ALSN
$9.29B
| $121M | 2.91% |
+1,030,398
| New | +$117M |
2026 Q1
0 quarters
|
|
|
12
Mastercard
MA
$540B
| $103M | 2.49% |
+205,974
| New | +$108M |
2026 Q1
0 quarters
|
|
|
13
Visa
V
$750B
| $102M | 2.46% |
+337,310
| New | +$108M |
2026 Q1
0 quarters
|
|
14
Liberty Media Corporation Series C Common Stock
FWONK
$22.8B
| $62M | 1.5% |
+729,594
| New | +$63.8M |
2026 Q1
0 quarters
|
|
|
15
Guidewire Software
GWRE
$14.4B
| $20.4M | 0.49% |
136,435
-1,308,771
| -91% | -$199M |
2018 Q1
32 quarters
|
|
16
Martin Marietta Materials
MLM
$34.9B
| $19M | 0.46% |
+32,213
| New | +$20.6M |
2026 Q1
0 quarters
|
|
|
17
ServiceNow
NOW
$154B
| – | – |
-1,897,705
| Closed | -$291M | – |
|
|
18
Veeva Systems
VEEV
$50.7B
| – | – |
-1,302,898
| Closed | -$291M | – |
|
19
Klarna Group
KLAR
$5.12B
| – | – |
-82,119
| Closed | -$2.37M | – |
|
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Stockbridge Partners's Q1 2026 Portfolio in Review
As of Q1 2026, Stockbridge Partners held 19 positions worth $4.14B, down 8.9% from $4.54B the previous quarter. Its ten largest holdings account for 90% of the portfolio.
Stockbridge Partners withdrew a net $227M in Q1 2026, closing 3 positions and reducing 5 holdings. Its most notable exit was Veeva Systems, an estimated $291M position sold in full.
By sector, the portfolio is most concentrated in Technology at 34% of assets, down from 39% a quarter earlier, followed by Industrials and Consumer Discretionary.
Against the trend, Stockbridge Partners opened a new position in NVIDIA worth $267M.
- Stockbridge Partners's largest Q1 2026 buy was NVIDIA: 1,532,118 shares worth $267M.
- Stockbridge Partners added most to Amazon in Q1 2026, an estimated $110M increase.
- Stockbridge Partners's biggest Q1 2026 reduction was Guidewire Software, cutting an estimated $199M.
- Stockbridge Partners fully exited Veeva Systems in Q1 2026, selling an estimated $291M.
- Stockbridge Partners's ten largest holdings make up 90% of its $4.14B portfolio in Q1 2026.
- Stockbridge Partners opened 6 new positions and closed 3 in Q1 2026.
- Stockbridge Partners's portfolio value fell 8.9% quarter-over-quarter to $4.14B.
Based on Stockbridge Partners's 13F filing for Q1 2026, filed 15 May 2026.