Stockbridge Partners

Stockbridge Partners LLC · CIK 0001505183 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC sourceValue Investor

Stockbridge Partners (Stockbridge Partners LLC) reported 17 positions worth $4.75B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: TSM (20.8%). Biggest move: add FWONK ($274.3M).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$4.75B
2026 Q2
Positions
17
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
86.3%
Est. Net Flow (Q)
2026 Q2
10 / 17 positions shown
#SymbolCompanyTypeValue% Port.Time HeldShares1YYTD
1TSMTAIWAN SEMICONDUCTOR MANUFACSH$990.0M20.83%1.5 Years2,072,924
2TDGTRANSDIGM GROUP INCSH$578.5M12.17%5.5 Years434,281
3GOOGLALPHABET INCSH$447.7M9.42%3 Q1,252,838
4AMZNAMAZON COM INCSH$423.3M8.91%5.5 Years1,776,149
5DEDEERE & COSH$360.0M7.57%2.3 Years567,456
6FWONKLIBERTY MEDIA CORP DELSH$343.7M7.23%2 Q3,613,069
7VMCVULCAN MATLS COSH$314.5M6.62%5.5 Years1,065,963
8NVDANVIDIA CORPORATIONSH$259.2M5.45%2 Q1,295,226
9WCNWASTE CONNECTIONS INCSH$193.6M4.07%2.8 Years1,161,217
10VVISA INCSH$191.1M4.02%2 Q557,138

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Stockbridge Partners hold as of Q2 2026?

Stockbridge Partners reported 17 positions worth $4.75B in its Q2 2026 13F filing. Largest positions: TSM (20.8%), TDG (12.2%), GOOGL (9.4%), AMZN (8.9%) and DE (7.6%).

What did Stockbridge Partners buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Stockbridge Partners sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.