Steve Mandel

Lone Pine Capital

Steve Mandel is the founder and managing partner of Lone Pine Capital, an American hedge fund based in Greenwich, Connecticut. Known for his value-oriented investment philosophy, Mandel has built a reputation for successfully navigating complex market environments. His firm focuses on long/short equity strategies and has established a diverse portfolio across various sectors, emphasizing technology and consumer cyclicals. Lone Pine Capital operates with a global outlook, maintaining offices in major financial hubs including New York City, London, and San Francisco. The firm employs a research-driven approach to identify undervalued companies and capitalize on market inefficiencies. With a strong emphasis on fundamental analysis, Mandel and his team aim to deliver consistent returns while managing risk effectively. Recent disclosures reveal a dynamic trading pattern, with significant position adjustments between February 14, 2025, and May 15, 2026. The firm has executed a total of 200 disclosures, reflecting a mix of position increases and reductions, with the largest disclosed move being an exit from Meta valued at approximately $971 million. The portfolio prominently features technology stocks, including Microsoft Corp and Amazon.com, highlighting the firm's strategic focus in this sector.

Biggest Wins

PositionReported PriceLast PriceEst. P/LReturnEst. Value
Carpenter Technology Corporation Common StockCRS · Q1 2026$394.15$559.70+$301M+42%$1B
TeraWulf Inc.WULF · Q1 2026$14.43$19.37+$98M+34.2%$386M
ASML Holding NVASML · Q1 2026$1,320.83$1,732.94+$270M+31.2%$1B
Alphabet IncGOOGL · Q1 2026$287.56$370.92+$16M+29%$70M
PERFORMANCE FOOD GROUP COMPANYPFGC · Q1 2026$85.66$110.41+$98M+28.9%$439M
Taiwan Semiconductor Manufacturing Co LtdTSM · Q1 2026$337.95$424.61+$120M+25.6%$590M
Visa IncV · Q1 2026$302.24$365.14+$6M+20.8%$34M
Amphenol CorpAPH · Q1 2026$126.35$150.46+$5M+19.1%$34M
Entegris IncENTG · Q1 2026$117.24$137.84+$64M+17.6%$429M
Corning IncGLW · Q1 2026$135.97$157.92+$82M+16.1%$587M
Teradyne, Inc.TER · Q1 2026$296.46$341.91+$85M+15.3%$640M
Talen Energy CorporationTLN · Q1 2026$319.23$366.14+$85M+14.7%$666M
Capital One Financial CorporationCOF · Q1 2026$182.43$208.89+$60M+14.5%$474M
MasTec IncMTZ · Q1 2026$321.74$357.71+$55M+11.2%$548M
KKR & Co IncKKR · Q1 2026$92.50$102.75+$2M+11.1%$18M
Mastercard IncMA · Q1 2026$499.66$551.54+$3M+10.4%$32M
Brookfield CorporationBN · Q1 2026$40.47$44.30+$43M+9.46%$497M
LPL Financial Holdings IncLPLA · Q1 2026$300.83$327.78+$55M+8.96%$672M
APPLOVIN CORPAPP · Q1 2026$398.00$427.01+$42M+7.29%$626M
Hilton Worldwide Holdings IncHLT · Q1 2026$304.08$323.26+$2M+6.31%$29M
Clean Harbors IncCLH · Q1 2026$286.73$303.37+$29M+5.8%$532M
Ciena CorporationCIEN · Q1 2026$388.23$408.73+$17M+5.28%$331M
US Foods Holding Corp. Common StockUSFD · Q1 2026$92.21$97.05+$18M+5.25%$368M
Vistra CorpVST · Q1 2026$150.33$157.23+$43M+4.59%$973M
TransDigm Group IncTDG · Q1 2026$1,158.96$1,207.42+$2M+4.18%$43M
Tenet Healthcare CorpTHC · Q1 2026$188.71$195.15+$15M+3.41%$441M
Vulcan Materials CoVMC · Q1 2026$272.30$280.62+$1M+3.06%$40M
Spotify Technology S.ASPOT · Q1 2026$484.91$489.56+$320k+0.96%$34M