STOCKBRIDGE PARTNERS LLC
Q1 2024 Form 13-F

BOSTON, MASSACHUSETTS
CIK 0001505183 · CRD 160674 · SEC-registered investment adviser
Consolidated report · includes 2 managers since Q4 2013
$4.9B Reported Value Total

STOCKBRIDGE INVESTORS reports 3 total accounts under management (AUM). There are 3 discretionary accounts valued at $5,860,523,219, and 0 non-discretionary accounts.

Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
SEC Registered Discretionary Manager
Private funds (Form ADV)
3 funds · $4.8B gross asset value
Hedge Fund: $4.8B
Source: Form ADV filed 2026-05-28
Reported value
$4.9B
Quarter over quarter
+8.3%
Holdings
13
Top-10 concentration
92.7%

Filing Structure

Reports holdings for

Key People

Form ADV owners & control persons
Reuben Benjamin Ackerman
CHIEF COMPLIANCE OFFICER AND GENERAL COUNSEL
Michael Carl Ascione
CO-MANAGING PARTNER
Samantha Allen Adams
MANAGING DIRECTOR

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Q1 2024 13F record

Q1 2024 13F filing summary

Q1 2024 Form 13F portfolio summary
Period of report March 31, 2024
Filed May 15, 2024
Form 13F-HR
Reported value $4.9B
Positions 13
Change in reported value +3.7%
New positions 0
Exited positions 1
Position turnover 7.1%
Top-10 concentration 92.7%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
17 $4.8B
Q1 2026 13F
Filed May 15, 2026
16 $4.1B
Q4 2025 13F
Filed Feb 17, 2026
13 $4.5B
Q3 2025 13F
Filed Nov 14, 2025
14 $5.2B
Q2 2025 13F
Filed Aug 14, 2025
12 $5.1B
Q1 2025 13F
Filed May 15, 2025
12 $4.5B
Q4 2024 13F
Filed Feb 14, 2025
12 $4.7B
Q3 2024 13F
Filed Nov 14, 2024
13 $5.0B
Q2 2024 13F
Filed Aug 14, 2024
13 $4.8B
Q1 2024 13F
Filed May 15, 2024
13 $4.9B
Q4 2023 13F
Filed Feb 14, 2024
14 $4.7B
Q3 2023 13F
Filed Nov 14, 2023
15 $4.5B
Q2 2023 13F
Filed Aug 14, 2023
15 $4.9B
Q1 2023 13F
Filed May 15, 2023
15 $4.3B
Q4 2022 13F
Filed Feb 14, 2023
14 $3.7B
Q3 2022 13F
Filed Nov 14, 2022
16 $3.5B
Q2 2022 13F
Filed Aug 15, 2022
17 $3.8B
Q1 2022 13F
Filed May 13, 2022
17 $4.6B
Q4 2021 13F
Filed Feb 14, 2022
17 $5.0B
Q3 2021 13F
Filed Nov 15, 2021
19 $4.9B

33 earlier quarters on file — choose one from the quarter menu above.

Top 13 holdings · Q1 2024

Largest Q1 2024 13F positions by reported value
# Holding Reported value % of portfolio
1 TDG TRANSDIGM GROUP INC $948.4M 19.54%
2 AMZN AMAZON COM INC $471.6M 9.72%
3 VMC VULCAN MATLS CO $469.9M 9.68%
4 MSFT MICROSOFT CORP $425.2M 8.76%
5 TMO THERMO FISHER SCIENTIFIC INC $409.4M 8.43%
6 GWRE GUIDEWIRE SOFTWARE INC $403.7M 8.32%
7 WCN WASTE CONNECTIONS INC $401.5M 8.27%
8 LW LAMB WESTON HLDGS INC $401.4M 8.27%
9 NYT NEW YORK TIMES CO $349.1M 7.19%
10 LBRDK LIBERTY BROADBAND CORP $216.8M 4.47%
11 CHTR CHARTER COMMUNICATIONS INC N $160.9M 3.32%
12 UBER UBER TECHNOLOGIES INC $123.6M 2.55%
13 URI UNITED RENTALS INC $72.5M 1.49%

Values as reported on the Q1 2024 Form 13F. Every position is in the holdings table below.

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