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SM

Stephen Mandel

Lone Pine Capital·growth·Concentrated / activist
Accredited only

~18% since 1997

Portfolio value

$12.5B

Positions

36

Top 5 concentration

30%

New buys this quarter

11

Quarterly activity

What Stephen Mandel bought and sold each quarter.

Mar 2026vs Dec 2025

Bought (23)

$TERNew buy4.4%$GLWNew buy4%$MTZNew buy3.9%$USFDNew buy2.8%$MCKNew buy2.7%$PFGCNew buy2.7%$CIENNew buy2.5%$HUTNew buy2.3%$WULFNew buy2.3%$AGXNew buy1.7%$GOOGLNew buy0.4%$VSTAdded+18.7%$ASMLAdded+8.3%$CRSAdded+38.5%$APPAdded+87.7%$TLNAdded+40.7%$NUAdded+28.3%$CLHAdded+27.3%$THCAdded+26.4%$TDGAdded+85.5%$SPOTAdded+287.6%$HLTAdded+54.4%$VAdded+509.7%

Sold (15)

$DASHSold out$PMSold out$MSFTSold out$AVGOSold out$AMZNSold out$WINGSold out$AFRMSold out$KKRTrimmed-96.4%$APHTrimmed-92.1%$VMCTrimmed-91.4%$TSMADRTrimmed-54.5%$BSXTrimmed-48.1%$BKNGTrimmed-48.1%$MATrimmed-40.6%$BNTrimmed-29.6%
Dec 2025vs Sep 2025

Bought (22)

$ASMLNew buy4.8%$DASHNew buy4.2%$MDLNNew buy3.6%$CRSNew buy3%$THCNew buy2.6%$CLHNew buy2.4%$AFRMNew buy2.1%$ENTGNew buy1.9%$MANew buy0.4%$TDGNew buy0.2%$BSXNew buy0.1%$SPOTNew buy0.1%$HLTNew buy0.1%$VNew buy0%$VSTAdded+10.9%$BNAdded+56.4%$KKRAdded+22.6%$AVGOAdded+11.7%$TLNAdded+8.4%$NUAdded+16.6%$VMCAdded+21.6%$WINGAdded+7%

Sold (14)

$CIENSold out$SBUXSold out$EQTSold out$ETSYSold out$FLUTSold out$METASold out$SEADRSold out$BKNGTrimmed-85.1%$PMTrimmed-42.7%$APPTrimmed-29.6%$AMZNTrimmed-14.1%$COFTrimmed-10.7%$LPLATrimmed-8%$APHTrimmed-7.1%
Sep 2025vs Jun 2025

Bought (13)

$AVGONew buy3.7%$VMCNew buy3.1%$NUNew buy3%$WINGNew buy2.7%$APHNew buy2.7%$SEADRNew buy2.4%$CIENNew buy2.1%$ETSYNew buy1.9%$LPLAAdded+20.5%$PMAdded+67.3%$BNAdded+81.1%$TLNAdded+9.5%$EQTAdded+11.2%

Sold (16)

$INTUSold out$CRMSold out$ASMLSold out$UNHSold out$WIXSold out$BKNGTrimmed-48.1%$AMZNTrimmed-44.1%$MSFTTrimmed-34.8%$APPTrimmed-29.7%$VSTTrimmed-27.4%$KKRTrimmed-21.9%$METATrimmed-20.6%$CVNATrimmed-17.8%$COFTrimmed-16.6%$TSMADRTrimmed-11.2%$FLUTTrimmed-6.9%
Jun 2025vs Mar 2025

Bought (10)

$UNHNew buy3.8%$EQTNew buy3.1%$BNNew buy2.5%$BKNGNew buy2.5%$WIXNew buy2.4%$VSTAdded+40.5%$AMZNAdded+15.6%$LPLAAdded+6.1%$KKRAdded+9.6%$CRMAdded+7.6%

Sold (14)

$LLYSold out$WINGSold out$CDNSSold out$TOLSold out$ARESSold out$INTUTrimmed-45%$CVNATrimmed-20.3%$APPTrimmed-17.4%$FLUTTrimmed-16.1%$SBUXTrimmed-15.8%$TSMADRTrimmed-11.1%$PMTrimmed-8.3%$MSFTTrimmed-5.4%$METATrimmed-5.3%
Mar 2025vs Dec 2024

Bought (12)

$CVNANew buy4.9%$TOLNew buy3.5%$CDNSNew buy2.7%$WINGNew buy0.9%$INTUAdded+21.4%$AMZNAdded+14.9%$MSFTAdded+19.6%$KKRAdded+17.7%$APPAdded+76%$FLUTAdded+16.1%$CRMAdded+10.6%$ASMLAdded+31.8%

Sold (17)

$SQSold out$HWMSold out$LENSold out$BTDRSold out$CIFRSold out$CEGSold out$IRENSold out$HUTSold out$PTCSold out$SPOTSold out$WULFSold out$WDAYSold out$PMTrimmed-53.5%$LLYTrimmed-29.5%$VSTTrimmed-14%$METATrimmed-13.7%$LPLATrimmed-8.3%
Dec 2024vs Sep 2024

Bought (9)

$LLYNew buy4.5%$COFNew buy4.3%$FLUTNew buy3.7%$CIFRNew buy0.1%$METAAdded+7.7%$PMAdded+44.4%$INTUAdded+25.5%$SBUXAdded+59.8%$TLNAdded+27.2%

Sold (20)

$BKNGSold out$GEVSold out$UNHSold out$APPTrimmed-54.2%$WULFTrimmed-51.7%$SQTrimmed-50.9%$HUTTrimmed-43.8%$LENTrimmed-41.3%$SPOTTrimmed-41.2%$CRMTrimmed-33%$AMZNTrimmed-30.9%$CEGTrimmed-27.4%$BTDRTrimmed-24%$VSTTrimmed-21.4%$ASMLTrimmed-19.9%$ARESTrimmed-18.3%$LPLATrimmed-11.8%$TSMADRTrimmed-10.7%$KKRTrimmed-10.5%$PTCTrimmed-8.7%
Sep 2024vs Jun 2024

Bought (14)

$CRMNew buy4.8%$LENNew buy4.1%$SBUXNew buy2.9%$WDAYNew buy2.9%$TLNNew buy1.1%$BTDRNew buy0.1%$WULFNew buy0.1%$HUTNew buy0.1%$IRENNew buy0%$METAAdded+35.6%$AMZNAdded+23.2%$CEGAdded+49.2%$LPLAAdded+29.4%$ARESAdded+30.3%

Sold (15)

$AVDXSold out$BBWISold out$MASold out$MCKSold out$APPTrimmed-58.4%$PMTrimmed-32.8%$TSMADRTrimmed-29.8%$KKRTrimmed-29.2%$BKNGTrimmed-27.3%$GEVTrimmed-21.7%$MSFTTrimmed-18%$HWMTrimmed-16.5%$UNHTrimmed-13%$SPOTTrimmed-8%$ASMLTrimmed-6.2%
Jun 2024vs Mar 2024

Bought (11)

$UNHNew buy3.9%$HWMNew buy2.3%$GEVNew buy2.1%$ARESNew buy1.7%$ASMLAdded+19%$VSTAdded+6.6%$SQAdded+13.9%$APPAdded+7.2%$MAAdded+53.4%$BBWIAdded+15.8%$CEGAdded+83.2%

Sold (9)

$DKSSold out$LYVSold out$EPAMSold out$IBNADRSold out$CRMSold out$WDAYSold out$METATrimmed-34.8%$PTCTrimmed-14.1%$KKRTrimmed-8.7%

Quarter-over-quarter change in disclosed positions.

Holdings

StockMove% of portfolioSince report

VISTRA CORP

Added
7.4%
+5.1%

ASML HLDG NV

Added
6.9%
+36.6%

CARPENTER TECHNOLOGY CORP

Added
5.7%
+49.9%

LPL FINL HLDGS INC

Held
4.9%
+3.5%

APPLOVIN CORP

Added
4.6%
+30.8%

TALEN ENERGY CORP

Added
4.6%
+20.4%

TERADYNE INC

New buy
4.4%
+22.4%

CARVANA CO

Held
4.4%
-78.7%

NU HLDGS LTD

Added
4.4%
-4.9%

MEDLINE INC

Held
4.2%
-8.2%

CORNING INC

New buy
4%
+41.6%

CLEAN HARBORS INC

Added
4%
+5.3%

MASTEC INC

New buy
3.9%
+19.6%
$TSMADR

TAIWAN SEMICONDUCTOR MANUFAC

Trimmed
3.7%
+29.3%

BROOKFIELD CORP

Trimmed
3.6%
+6.5%

TENET HEALTHCARE CORP

Added
3.4%
+9.6%

CAPITAL ONE FINL CORP

Held
3.3%
+9.7%

ENTEGRIS INC

Held
2.9%
+24.6%

US FOODS HLDG CORP

New buy
2.8%
+7.9%

PERFORMANCE FOOD GROUP CO

New buy
2.7%
+30.8%

MCKESSON CORP

New buy
2.7%
-8.4%

CIENA CORP

New buy
2.5%
+19.1%

TERAWULF INC

New buy
2.3%
+60.8%

HUT 8 CORP

New buy
2.3%
+126.4%

ARGAN INC

New buy
1.7%
+26.2%

ALPHABET INC

New buy
0.4%
+24.8%

TRANSDIGM GROUP INC

Added
0.3%
+11.8%

VULCAN MATLS CO

Trimmed
0.3%
+6%

SPOTIFY TECHNOLOGY S A

Added
0.3%
+0.2%

MASTERCARD INCORPORATED

Trimmed
0.2%
+4.7%

AMPHENOL CORP

Trimmed
0.2%
+28.4%

VISA INC

Added
0.2%
+15.2%

HILTON WORLDWIDE HLDGS INC

Added
0.2%
+11%

KKR & CO INC

Trimmed
0.1%
+4.1%

BOOKING HOLDINGS INC

Trimmed
0.1%
-95.8%

BOSTON SCIENTIFIC CORP

Trimmed
0.1%
-28.3%

Notable sell-outs this quarter: $DASH, $PM, $MSFT, $AVGO, $AMZN, $WING, $AFRM

Source: SEC 13F via FMP · Mar 2026 report · 45-day filing delay. Long equity positions only. Not financial advice.