Stephen Mandel · quarter digest
What Stephen Mandel did in Q1 2026
Lone Pine Capital filed 38 moves in Q1 2026: 12 new, 12 add, 7 trim, 7 exit.
13F filed 2026-05-15. Manager quality score: q9. Philosophy: Long-only growth at a reasonable price. Deep research. Tiger Cub.
New positions · 12
Fresh money
TERTERADYNE INC
NEW·4.4% book·−4
GLWCORNING INC
NEW·4.0% book·−10
MTZMASTEC INC
NEW·3.9% book·−8
USFDUS FOODS HLDG CORP
NEW·2.8% book·−4
MCKMCKESSON CORP
NEW·2.7% book·−3
PFGCPERFORMANCE FOOD GROUP CO
NEW·2.7% book·−6
CIENCIENA CORP
NEW·2.5% book·−11
HUTHUT 8 CORP
NEW·2.3% book·−7
WULFTERAWULF INC
NEW·2.3% book·+1
AGXARGAN INC
NEW·1.7% book·−12
GOOGLALPHABET INC
NEW·0.4% book·−27
APHAMPHENOL CORP
NEW·0.2% book·−8
Adds · 12
Adding to conviction
VSTVISTRA CORP
ADD +19%·7.4% book·+1
ASMLASML HLDG NV
ADD +8%·6.9% book·+9
CRSCARPENTER TECHNOLOGY CORP
ADD +38%·5.7% book·−2
APPAPPLOVIN CORP
ADD +88%·4.6% book·−8
TLNTALEN ENERGY CORP
ADD +41%·4.6% book·−10
NUNU HLDGS LTD
ADD +28%·4.4% book·−13
CLHCLEAN HARBORS INC
ADD +27%·4.0% book·−2
THCTENET HEALTHCARE CORP
ADD +26%·3.4% book·−10
SPOTSPOTIFY TECHNOLOGY S A
ADD +288%·0.3% book·−5
TDGTRANSDIGM GROUP INC
ADD +86%·0.3% book·−8
HLTHILTON WORLDWIDE HLDGS INC
ADD +54%·0.2% book·−19
VVISA INC
ADD +510%·0.2% book·−14
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Remove with Pro →Trims · 7
Taking chips off
TSMTAIWAN SEMICONDUCTOR MANUFAC
TRIM -54%·3.7% book·−2
BNBROOKFIELD CORP
TRIM -37%·3.6% book·+14
VMCVULCAN MATLS CO
TRIM -91%·0.3% book·+8
MAMASTERCARD INCORPORATED
TRIM -41%·0.2% book·−1
BKNGBOOKING HOLDINGS INC
TRIM -48%·0.1% book·−8
BSXBOSTON SCIENTIFIC CORP
TRIM -48%·0.1% book·−12
KKRKKR & CO INC
TRIM -96%·0.1% book·−13
Exits · 7
Closed positions
Current top holdings
Stephen Mandel’s book, latest snapshot
Other quarters for Stephen Mandel
Not investment advice. Data from 13F filings with HoldLens parsing. Methodology.
Deep dive
Reading for your research
Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.
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