Stephen Mandel portfolio

Lone Pine Capital · 13F for Q2 2026, filed Aug 14, 2026

Lone Pine Capital, the firm Stephen Mandel founded, reported 34 positions worth $16.4B as of Jun 30, 2026. The largest were Nebius Group N.V. (7.2%), ASML Holding Nv (6.9%) and Seagate Technology Holdings plc (5.9%). Against Q1 2026: 13 new, 7 added to, 12 reduced, 15 sold out.

The filing on sec.gov · Every fund · What a 13F shows

Reported value
$16.4Bas of Jun 30
Positions
3413 new, 15 sold out
Largest position
NBIS7.2% of the portfolio
Top 10 positions
54%of reported value

What Stephen Mandel bought

Largest 8 of 20

What Stephen Mandel sold

Largest 8 of 27

Every position, largest first

34 positions, Q2 2026
#PositionPortfolioValueSharesChange
1NBISNebius Group N.V.7.19%$1.2B4,258,008New
2ASMLASML Holding Nv6.92%$1.1B569,174−13.1%
3STXSeagate Technology Holdings plc5.90%$965M1,000,109New
4HDHome Depot, Inc.5.61%$918M2,603,189New
5AMATApplied Materials Inc5.34%$873M1,207,737New
6MDLNMedline Inc.5.06%$827M20,968,367+77.9%
7LINLinde Plc4.94%$809M1,558,081New
8TERTeradyne, Inc4.42%$722M1,493,080−20.3%
9GLWCorning Inc4.26%$697M2,728,058−26.6%
10CVNACarvana Co.4.23%$692M10,520,666—
11HUTHUT 8 Corp.4.07%$666M5,773,045−5.0%
12PFGCPerformance Food Group Co4.00%$654M5,852,740+47.1%
13NUNU Holdings Ltd.3.86%$631M47,219,717+24.2%
14WULFTerawulf Inc.3.65%$596M24,144,625+21.2%
15CRSCarpenter Technology Corp3.63%$594M962,839—
16MTZMastec Inc3.42%$560M1,345,157−12.1%
17APPAppLovin Corp3.28%$537M1,042,268−28.9%
18TTMITTM Technologies Inc3.13%$512M2,738,075New
19STRLSterling Infrastructure, Inc.3.13%$512M609,643New
20USFDUS Foods Holding Corp.3.07%$503M4,914,492+29.5%
21ONONOn Holding AG2.88%$470M13,280,030New
22LPLALPL Financial Holdings Inc.2.10%$343M1,219,099−40.5%
23AGXArgan Inc1.80%$294M368,673−6.2%
24BTDRBitdeer Technologies Group0.68%$111M7,020,026New
25SHAZSharonAI Holdings Inc.0.63%$102M1,209,848New
9 more positions
#PositionPortfolioValueSharesChange
26GOOGLAlphabet Inc.0.47%$77.0M215,574+14.9%
27KGSKodiak Gas Services, Inc.0.39%$63.5M845,070New
28VVisa Inc.0.35%$56.9M165,960+78.9%
29IBKRInteractive Brokers Group, Inc.0.31%$50.3M577,666New
30TSMTaiwan Semiconductor Manufacturing Co Ltd0.30%$48.4M101,242−92.7%
31Sea Ltd-Adr0.29%$47.4M494,581New
32MCKMcKesson Corp0.27%$43.7M57,851−85.3%
33TDGTransDigm Group INC0.23%$38.0M28,532−20.0%
34BNBROOKFIELD Corp0.21%$33.8M792,717−92.9%

What a 13F shows

This is Lone Pine Capital’s Form 13F for the quarter ended Jun 30, 2026, filed with the SEC on Aug 14, 2026 as LONE PINE CAPITAL LLC. A 13F lists long positions in US-listed securities on the quarter’s last day: shares, convertible bonds, puts and calls. It does not list short positions, cash, private holdings or most securities listed abroad, and a position may have changed since.

Options are shown as options, never added to the shares of the stock they are written on. A change is the share count against the fund's filing for Q1 2026; the estimated value of a change uses the price the filing's own figures imply. Where a count moved with a stock split, no change is shown.

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