What Stephen Mandel bought and sold in Q1 2026
In Q1 2026, Stephen Mandel (Lone Pine Capital) opened 11 new positions — including TER (4.4%), GLW (4.0%), MTZ (3.9%), added to 10, trimmed 8, exited 7 (AVGO, MSFT, DASH). The book stood at $12.54B across 36 positions, filed May 15, 2026.
11New10Added8Trimmed7Exited
New positions (11)
- TERTeradyne Inc4.4% · $555M
- GLWCorning Inc4.0% · $506M
- MTZMastec Inc3.9% · $493M
- USFDUS Foods Holding Corp2.8% · $350M
- PFGCPerformance Food Group CO2.7% · $341M
- MCKMckesson Corp2.7% · $339M
- CIENCiena Corp2.5% · $314M
- WULFTerawulf Inc2.3% · $287M
- HUTHut 8 Corp2.3% · $285M
- AGXArgan Inc1.7% · $214M
- GOOGLAlphabet Inc-cl A0.4% · $54M
Added to (10)
- CRSCarpenter Technology+38% shares · 5.7% · $717M
- APPApplovin Corp-class A+88% shares · 4.6% · $583M
- TLNTalen Energy Corp+41% shares · 4.6% · $580M
- NUNU Hldgs Ltd+28% shares · 4.4% · $546M
- CLHClean Harbors Inc+27% shares · 4.0% · $503M
- THCTenet Healthcare Corp+26% shares · 3.4% · $426M
- TDGTransdigm Group Inc+86% shares · 0.3% · $41M
- SPOTSpotify Technology S A+288% shares · 0.3% · $33M
- VVisa Inc-class A Shares+510% shares · 0.2% · $28M
- HLTHilton Worldwide Holdings IN+54% shares · 0.2% · $27M
Trimmed (8)
- TSMTaiwan Semiconductor-sp Adr-54% shares · 3.7% · $470M
- BNBrookfield Corp-30% shares · 3.6% · $454M
- VMCVulcan Materials CO-91% shares · 0.3% · $39M
- MAMastercard Inc - A-41% shares · 0.2% · $29M
- APHAmphenol Corp-cl A-92% shares · 0.2% · $28M
- KKRKkr & CO Inc-96% shares · 0.1% · $17M
- BKNGBooking Holdings Inc-48% shares · 0.1% · $10M
- BSXBoston Scientific Corp-48% shares · 0.1% · $7M
Exited (7)
Stephen Mandel's other filings
Changes vs the prior quarter's 13F, long US equity positions only (no shorts, options, or non-US listings). ADD/TRIM are share- count changes of ±20% or more. Sourced from SEC EDGAR. Not investment advice.