Stockbridge Partners 13F annual report

Stockbridge Partners is an investment fund managing more than $3.82 billion ran by Sharlyn Heslam. There are currently 17 companies in Heslam’s portfolio. The largest investments include Transdigm and Microsoft, together worth $1.25 billion.

$3.82 billion Assets Under Management (AUM)

As of 8th August 2022, Stockbridge Partners’s top holding is 1,602,348 shares of Transdigm currently worth over $860 million and making up 22.5% of the portfolio value. Relative to the number of outstanding shares of Transdigm, Stockbridge Partners owns more than approximately 0.1% of the company. In addition, the fund holds 1,509,659 shares of Microsoft worth $388 million, whose value fell 2.8% in the past six months. The third-largest holding is Amazon.com worth $359 million and the next is Guidewire Software Inc worth $349 million, with 4,916,156 shares owned.

Currently, Stockbridge Partners's portfolio is worth at least $3.82 billion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Stockbridge Partners

The Stockbridge Partners office and employees reside in Boston, Massachusetts. According to the last 13-F report filed with the SEC, Sharlyn Heslam serves as the Managing Director at Stockbridge Partners.

Recent trades

In the most recent 13F filing, Stockbridge Partners revealed that it had opened a new position in Guidewire Software Inc and bought 4,916,156 shares worth $349 million. This means they effectively own approximately 0.1% of the company. Guidewire Software Inc makes up 32.0% of the fund's Technology sector allocation and has decreased its share price by approximately 0.1% in the past year.

The investment fund also strengthened its position in Transdigm by buying 47,851 additional shares. This makes their stake in Transdigm total 1,602,348 shares worth $860 million. Transdigm dropped approximately 0.1% in the past year.

On the other hand, there are companies that Stockbridge Partners is getting rid of from its portfolio. Stockbridge Partners closed its position in Guidewire Software Inc on 15th August 2022. It sold the previously owned 5,160,672 shares for $613 million. Sharlyn Heslam also disclosed a decreased stake in Liberty Broadband Corp by 0.1%. This leaves the value of the investment at $251 million and 2,169,313 shares.

One of the largest hedge funds

The two most similar investment funds to Stockbridge Partners are Appaloosa L.P. and Vident Investment Advisory. They manage $3.82 billion and $3.83 billion respectively.


Sharlyn Heslam investment strategy

Stockbridge Partners’s portfolio is diversified across 7 sectors. Currently, their heaviest sector is Technology — making up 28.5% of the total portfolio value. The fund focuses on investments in the United States as 64.7% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are large-cap stocks. Stocks with a size of more than $10 billion in market cap make up 35% of the total holdings value. On the other hand, small-cap stocks make up only approximately 0.1% of the portfolio. The average market cap of the portfolio companies is close to $206 billion.

The complete list of Stockbridge Partners trades based on 13F SEC filings

These positions were updated on August 15th based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Transdigm Group Incorporated
3.08%
1,602,348
$859,932,000 22.51%
Guidewire Software Inc
Closed
5,160,672
$613,449,000
Visa Inc
Closed
2,167,658
$482,846,000
Microsoft Corporation
99.86%
1,509,659
$387,726,000 10.15%
Amazon.com Inc.
5,067.24%
3,382,993
$359,308,000 9.40%
Guidewire Software Inc
Opened
4,916,156
$348,998,000 9.13%
Vulcan Matls Co
46.52%
2,015,636
$286,422,000 7.50%
Advanced Drain Sys Inc Del
Closed
2,635,061
$285,035,000
Sotera Health Co
Closed
9,937,488
$259,865,000
Liberty Broadband Corp
12.23%
2,169,313
$250,859,000 6.57%
Verisign Inc.
Closed
1,094,004
$224,282,000
Uber Technologies Inc
Closed
4,558,638
$204,227,000
Advanced Drain Sys Inc Del
Opened
2,222,369
$200,169,000 5.24%
Wayfair Inc
Closed
783,240
$200,126,000
New York Times Co.
78.23%
7,165,254
$199,911,000 5.23%
ServiceNow Inc
Opened
420,139
$199,784,000 5.23%
Visa Inc-class A Shares
Opened
921,338
$181,402,000 4.75%
Uber Technologies Inc
Opened
7,522,689
$153,914,000 4.03%
Sotera Health Co
Opened
7,365,680
$144,294,000 3.78%
ServiceNow Inc
Closed
216,565
$134,762,000
Atlassian Corp Plc
Closed
220,525
$86,318,000
Charter Communications Inc N
Opened
175,849
$82,391,000 2.16%
Wayfair Inc
Opened
1,331,862
$58,016,000 1.52%
Charter Communications Inc N
Closed
71,407
$51,953,000
Perimeter Solutions, SA
Opened
4,405,309
$47,754,000 1.25%
Lifestance Health Group Inc
Opened
6,816,137
$37,898,000 0.99%
Meridianlink Inc
Closed
1,350,000
$30,186,000
Meridianlink Inc
Opened
1,315,961
$21,977,000 0.58%
Alkami Technology Inc
Closed
572,360
$14,126,000
Ginkgo Bioworks Holdings Inc
Closed
800,000
$9,272,000
No transactions found
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