Stephen Mandel

Founder associated with Lone Pine Capital who has stepped back from day-to-day portfolio management, as described in Yale’s 2026 interview. These positions belong to the reporting firm and are not his personal decisions.

Biography: som.yale.edu
RECORD OWNER / ASSOCIATIONLONE PINE CAPITAL LLC
LATEST COLLECTED RECORD DATE30 Jun 2026
RESEARCH COVERAGE70 records · 2 dates
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These are disclosures by an associated institution. The person’s name provides context; it does not establish current management, personal ownership or who made the trade.

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The disclosed positions.

2 record sources ↗
ASSET / SECURITYREPORTED QUANTITYREPORTED VALUE / USDWEIGHTQUARTERLY ACTIVITYRECORD TYPE / OWNERSOURCE
N97284108NEBIUS GROUP N.V.4,258,008shares$1,175,934,069Reported market value$276.17 / reported unit (derived)7.19%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
N07059210ASML HLDG NV569,174shares$1,132,337,523Reported market value$1,989.44 / reported unit (derived)6.92%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
G7997R103SEAGATE TECHNOLOGY HLDNGS PL1,000,109shares$965,105,185Reported market value$965 / reported unit (derived)5.90%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
92840M102VISTRA CORP6,187,585shares$930,179,653Reported market value$150.33 / reported unit (derived)7.42%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
437076102HOME DEPOT INC2,603,189shares$918,092,697Reported market value$352.68 / reported unit (derived)5.61%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
038222105APPLIED MATLS INC1,207,737shares$873,193,851Reported market value$723 / reported unit (derived)5.34%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
N07059210ASML HLDG NV655,148shares$865,339,133Reported market value$1,320.83 / reported unit (derived)6.90%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
58507V107MEDLINE INC20,968,367shares$826,992,394Reported market value$39.44 / reported unit (derived)5.06%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
G54950103LINDE PLC1,558,081shares$808,550,554Reported market value$518.94 / reported unit (derived)4.94%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
880770102TERADYNE INC1,493,080shares$722,411,827Reported market value$483.84 / reported unit (derived)4.42%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
144285103CARPENTER TECHNOLOGY CORP1,817,940shares$716,541,051Reported market value$394.15 / reported unit (derived)5.71%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
219350105CORNING INC2,728,058shares$696,827,855Reported market value$255.43 / reported unit (derived)4.26%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
146869102CARVANA CO10,520,666shares$692,470,236Reported market value$65.82 / reported unit (derived)4.23%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
44812J104HUT 8 CORP5,773,045shares$666,469,180Reported market value$115.44 / reported unit (derived)4.07%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
71377A103PERFORMANCE FOOD GROUP CO5,852,740shares$654,277,805Reported market value$111.79 / reported unit (derived)4.00%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
G6683N103NU HLDGS LTD47,219,717shares$630,855,419Reported market value$13.36 / reported unit (derived)3.86%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
50212V100LPL FINL HLDGS INC2,049,967shares$616,691,573Reported market value$300.83 / reported unit (derived)4.92%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
88080T104TERAWULF INC24,144,625shares$596,372,238Reported market value$24.7 / reported unit (derived)3.65%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
144285103CARPENTER TECHNOLOGY CORP962,839shares$593,917,609Reported market value$616.84 / reported unit (derived)3.63%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
03831W108APPLOVIN CORP1,464,923shares$583,039,354Reported market value$398 / reported unit (derived)4.65%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
87422Q109TALEN ENERGY CORP1,817,947shares$580,343,221Reported market value$319.23 / reported unit (derived)4.63%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
576323109MASTEC INC1,345,157shares$559,666,021Reported market value$416.06 / reported unit (derived)3.42%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
880770102TERADYNE INC1,872,876shares$555,232,819Reported market value$296.46 / reported unit (derived)4.43%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
146869102CARVANA CO1,754,709shares$551,645,415Reported market value$314.38 / reported unit (derived)4.40%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
G6683N103NU HLDGS LTD38,011,225shares$546,221,303Reported market value$14.37 / reported unit (derived)4.35%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
03831W108APPLOVIN CORP1,042,268shares$537,007,742Reported market value$515.23 / reported unit (derived)3.28%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
58507V107MEDLINE INC11,789,156shares$524,617,442Reported market value$44.5 / reported unit (derived)4.18%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
87305R109TTM TECHNOLOGIES INC2,738,075shares$512,074,787Reported market value$187.02 / reported unit (derived)3.13%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
859241101STERLING INFRASTRUCTURE INC609,643shares$511,709,948Reported market value$839.36 / reported unit (derived)3.13%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
219350105CORNING INC3,718,147shares$505,556,448Reported market value$135.97 / reported unit (derived)4.03%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
184496107CLEAN HARBORS INC1,754,950shares$503,196,814Reported market value$286.73 / reported unit (derived)4.01%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
912008109US FOODS HLDG CORP4,914,492shares$502,506,807Reported market value$102.25 / reported unit (derived)3.07%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
576323109MASTEC INC1,531,050shares$492,600,027Reported market value$321.74 / reported unit (derived)3.93%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
H5919C104ON HLDG AG13,280,030shares$470,378,663Reported market value$35.42 / reported unit (derived)2.88%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
874039100TAIWAN SEMICONDUCTOR MANUFAC1,389,530shares$469,591,664Reported market value$337.95 / reported unit (derived)3.74%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
11271J107BROOKFIELD CORP11,208,969shares$453,626,975Reported market value$40.47 / reported unit (derived)3.62%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
88033G407TENET HEALTHCARE CORP2,258,717shares$426,242,485Reported market value$188.71 / reported unit (derived)3.40%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
14040H105CAPITAL ONE FINL CORP2,267,056shares$413,579,026Reported market value$182.43 / reported unit (derived)3.30%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
29362U104ENTEGRIS INC3,115,054shares$365,208,931Reported market value$117.24 / reported unit (derived)2.91%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
912008109US FOODS HLDG CORP3,795,998shares$350,028,976Reported market value$92.21 / reported unit (derived)2.79%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
50212V100LPL FINL HLDGS INC1,219,099shares$343,395,806Reported market value$281.68 / reported unit (derived)2.10%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
71377A103PERFORMANCE FOOD GROUP CO3,978,158shares$340,769,014Reported market value$85.66 / reported unit (derived)2.72%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
58155Q103MCKESSON CORP392,224shares$339,414,961Reported market value$865.36 / reported unit (derived)2.71%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
171779309CIENA CORP809,522shares$314,280,726Reported market value$388.23 / reported unit (derived)2.51%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
04010E109ARGAN INC368,673shares$294,403,824Reported market value$798.55 / reported unit (derived)1.80%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
88080T104TERAWULF INC19,921,430shares$287,466,235Reported market value$14.43 / reported unit (derived)2.29%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
44812J104HUT 8 CORP6,078,951shares$285,163,591Reported market value$46.91 / reported unit (derived)2.27%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
04010E109ARGAN INC393,134shares$214,120,433Reported market value$544.65 / reported unit (derived)1.71%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
G11448100BITDEER TECHNOLOGIES GROUP7,020,026shares$111,407,813Reported market value$15.87 / reported unit (derived)0.68%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
778920306SHARONAI HOLDINGS INC1,209,848shares$102,425,731Reported market value$84.66 / reported unit (derived)0.63%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
02079K305ALPHABET INC215,574shares$77,039,680Reported market value$357.37 / reported unit (derived)0.47%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
50012A108KODIAK GAS SVCS INC845,070shares$63,490,109Reported market value$75.13 / reported unit (derived)0.39%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
92826C839VISA INC165,960shares$56,939,216Reported market value$343.09 / reported unit (derived)0.35%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
02079K305ALPHABET INC187,561shares$53,935,041Reported market value$287.56 / reported unit (derived)0.43%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
45841N107INTERACTIVE BROKERS GROUP IN577,666shares$50,280,049Reported market value$87.04 / reported unit (derived)0.31%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
874039100TAIWAN SEMICONDUCTOR MANUFAC101,242shares$48,350,142Reported market value$477.57 / reported unit (derived)0.30%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
81141R100SEA LTD494,581shares$47,395,697Reported market value$95.83 / reported unit (derived)0.29%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
58155Q103MCKESSON CORP57,851shares$43,712,216Reported market value$755.6 / reported unit (derived)0.27%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
893641100TRANSDIGM GROUP INC35,677shares$41,348,216Reported market value$1,158.96 / reported unit (derived)0.33%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
929160109VULCAN MATLS CO144,179shares$39,259,942Reported market value$272.3 / reported unit (derived)0.31%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
893641100TRANSDIGM GROUP INC28,532shares$38,005,765Reported market value$1,332.04 / reported unit (derived)0.23%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
11271J107BROOKFIELD CORP792,717shares$33,761,817Reported market value$42.59 / reported unit (derived)0.21%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution30 Jun 2026U.S. SEC EDGAR ↗Record details ↗
L8681T102SPOTIFY TECHNOLOGY S A68,844shares$33,383,144Reported market value$484.91 / reported unit (derived)0.27%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
57636Q104MASTERCARD INCORPORATED57,201shares$28,581,052Reported market value$499.66 / reported unit (derived)0.23%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
032095101AMPHENOL CORP223,084shares$28,186,663Reported market value$126.35 / reported unit (derived)0.22%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
92826C839VISA INC92,775shares$28,040,316Reported market value$302.24 / reported unit (derived)0.22%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
43300A203HILTON WORLDWIDE HLDGS INC89,249shares$27,138,836Reported market value$304.08 / reported unit (derived)0.22%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
48251W104KKR & CO INC179,308shares$16,585,990Reported market value$92.5 / reported unit (derived)0.13%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
09857L108BOOKING HOLDINGS INC2,405shares$10,125,820Reported market value$4,210.32 / reported unit (derived)0.08%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗
101137107BOSTON SCIENTIFIC CORP104,655shares$6,567,101Reported market value$62.75 / reported unit (derived)0.05%Share of this filing tableNo comparable prior disclosureQuarter-end positionAssociated institution31 Mar 2026U.S. SEC EDGAR ↗Record details ↗

Figures retain their source’s meaning. Unknown is not zero. Dates, share classes and option exposures may differ; source-table coverage is not a complete personal portfolio.

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