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SM

Stephen Mandel

Lone Pine Capital13F filer
Quality growth long/short (Tiger Cub) — as the firm describes itselfPortfolio as of Jun 30, 2026Filed Aug 14, 2026
Quarter ended Jun 30, 2026, from the 13F filed Aug 14, 2026Changes are against the quarter ended Mar 31, 2026U.S.-listed shares only — no bonds, cash, shorts or foreign listings
Portfolio value
$16.36B
As reported, at quarter-end prices
Positions
34
U.S.-listed companies held
13 new · 15 exited this quarter
Concentration
54%in the top 10
Weight held in the ten largest positions
This quarter
8added · 13trimmed
Positions resized since the prior quarter

What changed this quarter

Jun 30, 2026 vs Mar 31, 2026
See which positions were opened, increased, reduced or closed—and how large those positions are now.
32 of 49 reported changes are available in this view.
CompanyReported moveChange in sharesPortfolio weight now
NEBIUS GROUP N VNBIS
New positionNot held in prior quarter7.19%
New positionNot held in prior quarter5.90%
New positionNot held in prior quarter5.61%
New positionNot held in prior quarter5.34%
New positionNot held in prior quarter4.94%
New positionNot held in prior quarter3.13%
New positionNot held in prior quarter3.13%
ON HLDG AGONON
New positionNot held in prior quarter2.88%
VISTRA CORPVST
Sold outPosition closedNo longer held
TALEN ENERGY CORP COMTLN
Sold outPosition closedNo longer held
Showing 1–10 of 49 changes · Share classes count separatelyBars: square-root scale · Percentages shown · — unavailable
Changes compare reported share counts at quarter-end. The filing does not tell us when trades happened or why the investor made them.

Portfolio

% of the reported portfolio · tags are this quarter’s reported move
TickerIssuer% of portfolioReported priceValueShares
NBISNEBIUS GROUP N V· CLASS A ORDINARY SHARESNEW7.19%$276.17$1.18B4.3M
ASML HOLDING N V· N Y REGISTRY SHS 2012DECREASED -13.1%6.92%$1,989.44$1.13B569.2K
STXSEAGATE TECHNOLOGY HOLDINGS· PLC ORDINARY SHARESNEW5.90%$965.00$965.11M1.0M
HDHOME DEPOT INCNEW5.61%$352.68$918.09M2.6M
AMATAPPLIED MATLS INCNEW5.34%$723.00$873.19M1.2M
MDLNMEDLINE INC· COM CL AINCREASED +77.9%5.06%$39.44$826.99M21.0M
LINLINDE PLCNEW4.94%$518.94$808.55M1.6M
TERTERADYNE INCDECREASED -20.3%4.42%$483.84$722.41M1.5M
GLWCORNING INCDECREASED -26.6%4.26%$255.43$696.83M2.7M
CVNACARVANA CO· CL AINCREASED +499.6%4.23%$65.82$692.47M10.5M
Showing 1–10 of 34 · the top 10 are 53.9% of the reported portfolioEach row opens the company · how we read 13F filings

Reported price is this manager's own reported value divided by its own reported shares at 2026-06-30 — not a live quote, and not what they paid. 13F reports no cost basis.

All 34 positions, with reported prices and share counts, open with a free account.
Connected research

Follow this portfolio through time.

Compare reported holdings across quarters and explore the businesses behind them with your connected AI:

  • What has Stephen Mandel been buying over the last year, quarter by quarter?
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  • Which other superinvestors moved the same way this quarter?
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