Stephen Mandel — Portfolio & 13F Holdings

Lone Pine Capital · 2026-Q1 · filed 2026-05-15 · SEC Form 13F-HR

$9.20B
Portfolio Value
27
Positions
10
New Buys
6
Exits

Latest Quarter Activity

Stephen Mandel Portfolio — All 27 Holdings (2026-Q1)

#TickerValueWeightSharesΔ Qtr
1 VST
Vistra Corp
$930.2M 10.1% 6.2M +18.7%
2 CRS
Carpenter Technology Corp
$716.5M 7.8% 1.8M +38.5%
3 APP
Applovin Corp
$583.0M 6.3% 1.5M +87.7%
4 TLN
Talen Energy Corp
$580.3M 6.3% 1.8M +40.7%
5 TER
Teradyne Inc
$555.2M 6.0% 1.9M NEW
6 CVNA
Carvana Co
$551.6M 6.0% 1.8M -1.4%
7 MDLN
Medline Inc
$524.6M 5.7% 11.8M +0.6%
8 GLW
Corning Inc
$505.6M 5.5% 3.7M NEW
9 CLH
Clean Harbors Inc
$503.2M 5.5% 1.8M +27.3%
10 MTZ
Mastec Inc
$492.6M 5.4% 1.5M NEW
11 BN
Brookfield Corp
$453.6M 4.9% 11.2M -29.6%
12 THC
Tenet Healthcare Corp
$426.2M 4.6% 2.3M +26.4%
13 ENTG
Entegris Inc
$365.2M 4.0% 3.1M +2%
14 PFGC
Performance Food Group Co
$340.8M 3.7% 4.0M NEW
15 MCK
Mckesson Corp
$339.4M 3.7% 392K NEW
16 CIEN
Ciena Corp
$314.3M 3.4% 810K NEW
17 WULF
Terawulf Inc
$287.5M 3.1% 19.9M NEW
18 HUT
Hut 8 Corp
$285.2M 3.1% 6.1M NEW
19 AGX
Argan Inc
$214.1M 2.3% 393K NEW
20 GOOGL
Alphabet Inc
$53.9M 0.6% 188K NEW
21 TDG
Transdigm Group Inc
$41.3M 0.4% 36K +85.5%
22 SPOT
Spotify Technology S A
$33.4M 0.4% 69K +287.6%
23 MA
Mastercard Incorporated
$28.6M 0.3% 57K -40.6%
24 APH
Amphenol Corp
$28.2M 0.3% 223K -92.1%
25 V
Visa Inc
$28.0M 0.3% 93K +509.7%
26 BKNG
Booking Holdings Inc
$10.1M 0.1% 2K -48.1%
27 BSX
Boston Scientific Corp
$6.6M 0.1% 105K -48.1%

Source: SEC EDGAR Form 13F-HR. 13F filings disclose long US equity positions with a 45-day reporting lag and exclude shorts, cash, bonds and non-US holdings — they are a partial, delayed snapshot. Educational only, not investment advice.

Disclosed Portfolio Value by Quarter

$9.05B 2025-Q4 $9.20B 2026-Q1

Sum of disclosed long US equity positions per 13F quarter. History accrues from mid-2026 onward.

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