Copy portfolio · 13F
‹ PortfoliosStockbridge Partners (13F)
Berkshire Partners' public equity team. Mirrors the latest 13F: long U.S. stock positions weighted by reported market value.
Return over
+0.0%
SPY +0.3% Live
1D
+0.0%
Live
1W
-1.4%
Look-back
1M
+0.0%
Look-back
3M
+0.6%
Look-back
YTD
+12.8%
Look-back
1Y
+17.5%
Look-back
Incep.
-0.0%
Live
"Live" counts from inception; "look-back" holds today's weights over the period (hypothetical).
Inception 2026-10-19Prices as of 2026-10-2017 holdings
Filing: 13F-HR filed 2026-08-14 for quarter ending 2026-06-30. 13F data is delayed up to 45 days after quarter-end and shows long U.S. stock positions only (options and shorts are excluded).
Live since inception vs SPY
Live record started 2026-10-19; periods longer than the live record use the look-back above.
PortfolioSPY
Look-back Backtested
Hypothetical: today's weights held unchanged over each past period. Not the portfolio's actual history.
Today's weights, held 1YSPY
If you had copied on filing dates Backtested
Buy each quarter's reported holdings at the close on the day the 13F was filed (not quarter-end), hold until the next filing. Before costs.
| Since | Copy | SPY |
|---|---|---|
| 2024-11-14 | +18.4% | +32.2% |
| 2025-02-14 | +13.5% | +28.2% |
| 2025-05-15 | +13.9% | +32.0% |
| 2025-08-14 | +7.2% | +20.5% |
| 2025-11-14 | +4.6% | +15.3% |
| 2026-02-17 | +8.2% | +13.1% |
| 2026-05-15 | +3.2% | +4.2% |
| 2026-08-14 | -2.5% | -1.0% |
Holdings
TSM Taiwan Semiconductor Manufactur
20.8%
+1.8% today
Technology · $420.22 · 1M -3.3% · 1Y +43.9% · stock page →
TDGTDG TransDigm Group
12.2%
+0.3% today
Industrials · $1,142.45 · 1M +5.2% · 1Y -9.8% · stock page →
GOOGL Alphabet Inc. (Class A)
9.4%
+1.1% today
Communication Services · $344.18 · 1M -1.5% · 1Y +36.2% · stock page →
AMZN Amazon
8.9%
+5.0% today
Consumer Discretionary · $262.45 · 1M +3.4% · 1Y +23.2% · stock page →
DE Deere & Company
7.6%
-2.3% today
Industrials · $627.00 · 1M -8.1% · 1Y +38.3% · stock page →
FWONK Liberty Media Corporation - Ser
7.2%
+0.0% today
Communication Services · $90.81 · 1M -4.8% · 1Y -9.5% · stock page →
VMC Vulcan Materials Company
6.6%
-0.1% today
Materials · $257.45 · 1M +6.9% · 1Y -12.2% · stock page →
NVDA Nvidia
5.5%
+1.4% today
Information Technology · $217.09 · 1M -2.3% · 1Y +18.8% · stock page →
WCN WCN
4.1%
-1.3% today
· $165.69 · 1M +6.7% · 1Y -3.6% · stock page →
VV Visa Inc.
4.0%
+0.1% today
Financials · $402.92 · 1M +9.4% · 1Y +18.8% · stock page →
ALSN Allison Transmission
3.6%
-0.9% today
Industrials · $110.76 · 1M -5.4% · 1Y +38.4% · stock page →
MA Mastercard
3.5%
+0.2% today
Financials · $617.42 · 1M +8.9% · 1Y +13.0% · stock page →
WWD Woodward, Inc.
2.4%
+0.2% today
Industrials · $329.30 · 1M +2.3% · 1Y +33.5% · stock page →
GWRE Guidewire Software
2.0%
+1.5% today
Information Technology · $171.44 · 1M +18.8% · 1Y -29.8% · stock page →
VEEV Veeva Systems
1.5%
+2.1% today
Health Care · $316.80 · 1M +21.7% · 1Y +11.7% · stock page →
MLM Martin Marietta Materials
0.5%
+0.2% today
Materials · $501.65 · 1M +2.2% · 1Y -19.3% · stock page →
TTAN ServiceTitan, Inc.
0.3%
+4.4% today
Technology · $78.26 · 1M +42.2% · 1Y -15.4% · stock page →
Changes vs prior quarter
WWD Woodward IncNewVEEV Veeva Sys IncNewTTAN Servicetitan IncNewGOOGL Alphabet IncAdded+28%FWONK Liberty Media Corp DelAdded+395%VV Visa IncAdded+65%
ALSN Allison Transmission Hldgs IAdded+46%MA Mastercard IncorporatedAdded+55%GWRE Guidewire Software IncAdded+457%MLM Martin Marietta Matls IncAdded+32%TSM Taiwan Semiconductor ManufacTrimmed-4%AMZN Amazon Com IncTrimmed-28%VMC Vulcan Matls CoTrimmed-7%NVDA Nvidia CorporationTrimmed-15%WCN Waste Connections IncTrimmed-53%
KLAC Kla CorpSold out-100%
MSFT Microsoft CorpSold out-100%Copy this portfolio
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coteauCoteau Systematic Strategies publishes stock research and model portfolios. It doesn't manage money or give investment advice. Results are hypothetical unless marked Live. Data: Yahoo Finance (delayed) and SEC EDGAR.