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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
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  3. Stephen Mandel (Lone Pine Capital)
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Hedge Fund · CIK 0001061165

Stephen Mandel

Lone Pine Capital
Share
  • Large Fund

Stephen Mandel runs Lone Pine Capital, a hedge fund overseeing $13.61B in disclosed equity holdings (SEC CIK 0001061165). The latest portfolio (2025Q4) discloses 32 positions across 9 sectors, with the largest positions in TSM, VST and CVNA. On a mark-to-market basis the tracked portfolio has returned 31.7% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Stephen's filingsView holdings↓
Portfolio
$13.61B
Positions
32
Quarter
2025Q4
Filings tracked
40
1Y+31.7%Since filing+177.7%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Holdings

Sorted by value · 2023Q3
26 positions
1
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
8.04%
of portfolio
Number of shares
2,779,103 sh
Holdings current value
$834.31M
Avg closing price
$329.28
+109.1%
Last action
Exited
2025Q4
Current $688.55
2
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
6.70%
of portfolio
Number of shares
5,464,789 sh
Holdings current value
$694.68M
Avg closing price
$187.75
+33.5%
Last action
Trimmed 6.8%
2025Q4
Current $250.56
3
MAMASTERCARD INCORPORATED
Financial Services·Credit Services
6.67%
of portfolio
Number of shares
1,746,342 sh
Holdings current value
$691.39M
Avg closing price
$378.25
+37.8%
Last action
New holding
2025Q4
Current $521.30
4
TSMTAIWAN SEMICONDUCTOR MFG LTDADR
Technology·Semiconductors
6.53%
of portfolio
Number of shares
7,800,152 sh
Holdings current value
$677.83M
Avg closing price
$60.48
+512.6%
Last action
Trimmed 4.7%
2025Q3
Current $370.50
5
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
5.52%
of portfolio
Number of shares
1,811,809 sh
Holdings current value
$572.08M
Avg closing price
$218.62
+93.4%
Last action
Added 1.4%
2025Q4
Current $422.79
6
WDAYWORKDAY INC
Technology·Software - Application
5.34%
of portfolio
Number of shares
2,579,619 sh
Holdings current value
$554.23M
Avg closing price
$249.58
-50.4%
Last action
Exited
2025Q1
Current $123.83
7
CRMSALESFORCE COM INC
Technology·Software - Application
4.89%
of portfolio
Number of shares
2,499,630 sh
Holdings current value
$506.87M
Avg closing price
$203.32
-10.4%
Last action
Exited
2025Q3
Current $182.14
8
BKNGBOOKING HOLDINGS INC
Consumer Cyclical·Travel Services
4.44%
of portfolio
Number of shares
149,449 sh
Holdings current value
$460.89M
Avg closing price
$1826
-89.5%
Last action
Trimmed 15.1%
2025Q4
Current $192.01
9
UNHUNITEDHEALTH GROUP INC
Healthcare·Healthcare Plans
4.33%
of portfolio
Number of shares
891,167 sh
Holdings current value
$449.32M
Avg closing price
$313.88
+3.4%
Last action
Exited
2025Q3
Current $324.63
10
PTCPTC INC
Technology·Software - Application
4.33%
of portfolio
Number of shares
3,166,463 sh
Holdings current value
$448.62M
Avg closing price
$111.17
+25.7%
Last action
Exited
2025Q1
Current $139.74
11
LPLALPL FINL HLDGS INC
Financial Services·Capital Markets
4.22%
of portfolio
Number of shares
1,840,114 sh
Holdings current value
$437.30M
Avg closing price
$229.03
+38.6%
Last action
Trimmed 8.9%
2025Q4
Current $317.41
12
GOOGLALPHABET INC
Communication Services·Internet Content & Information
3.93%
of portfolio
Number of shares
3,113,001 sh
Holdings current value
$407.37M
Avg closing price
$168.96
+102.2%
Last action
Exited
2023Q4
Current $341.68
13
KKRKKR & CO INC
Financial Services·Asset Management
3.90%
of portfolio
Number of shares
6,564,382 sh
Holdings current value
$404.37M
Avg closing price
$82.46
+25.6%
Last action
Added 16.3%
2025Q4
Current $103.60
14
TDGTRANSDIGM GROUP INC
Industrials·Aerospace & Defense
3.55%
of portfolio
Number of shares
436,740 sh
Holdings current value
$368.23M
Avg closing price
$398.31
+217.8%
Last action
New holding
2025Q4
Current $1266
15
DKSDICKS SPORTING GOODS INC
Consumer Cyclical·Specialty Retail
3.06%
of portfolio
Number of shares
2,922,460 sh
Holdings current value
$317.32M
Avg closing price
$93.72
+139.4%
Last action
Exited
2024Q2
Current $224.36
16
LYVLIVE NATION ENTERTAINMENT IN
Communication Services·Entertainment
2.97%
of portfolio
Number of shares
3,713,477 sh
Holdings current value
$308.37M
Avg closing price
$56.11
+179.0%
Last action
Exited
2024Q2
Current $156.56
17
BBWIBATH & BODY WORKS INC
Consumer Cyclical·Specialty Retail
2.84%
of portfolio
Number of shares
8,706,401 sh
Holdings current value
$294.28M
Avg closing price
$56.89
-65.9%
Last action
Exited
2024Q3
Current $19.41
18
IBNICICI BANK LIMITEDADR
Financial Services·Banks - Regional
2.68%
of portfolio
Number of shares
12,042,263 sh
Holdings current value
$278.42M
Avg closing price
$16.19
+77.9%
Last action
Exited
2024Q2
Current $28.80
19
BILLBILL COM HLDGS INC
Technology·Software - Application
2.67%
of portfolio
Number of shares
2,546,689 sh
Holdings current value
$276.49M
Avg closing price
$103.45
-62.5%
Last action
Exited
2023Q4
Current $38.81
20
HDBHDFC BANK LTDADR
Financial Services·Banks - Regional
2.64%
of portfolio
Number of shares
4,643,541 sh
Holdings current value
$274.02M
Avg closing price
$63.66
-56.8%
Last action
Exited
2024Q1
Current $27.51
21
EPAMEPAM SYS INC
Technology·Information Technology Services
2.60%
of portfolio
Number of shares
1,054,229 sh
Holdings current value
$269.56M
Avg closing price
$291.51
-54.9%
Last action
Exited
2024Q2
Current $131.34
22
ASMLASML HOLDING N V
Technology·Semiconductor Equipment & Materials
2.16%
of portfolio
Number of shares
380,480 sh
Holdings current value
$223.97M
Avg closing price
$735.37
+98.5%
Last action
New holding
2025Q4
Current $1460
23
SGITEMPUR SEALY INTL INC
Consumer Cyclical·Furnishings, Fixtures & Appliances
1.99%
of portfolio
Number of shares
4,771,772 sh
Holdings current value
$206.81M
Avg closing price
$43.34
+96.1%
Last action
Exited
2023Q4
Current $85.01
24
FNDFLOOR & DECOR HLDGS INC
Consumer Cyclical·Home Improvement Retail
1.89%
of portfolio
Number of shares
2,160,808 sh
Holdings current value
$195.55M
Avg closing price
$85.44
-36.7%
Last action
Exited
2023Q4
Current $54.07
25
XYZBLOCK INC
Technology·Software - Infrastructure
1.66%
of portfolio
Number of shares
3,886,146 sh
Holdings current value
$172.00M
Avg closing price
$59.43
+19.9%
Last action
Exited
2025Q1
Current $71.26
26
AVDXAVIDXCHANGE HOLDINGS INC
0.46%
of portfolio
Number of shares
5,080,632 sh
Holdings current value
$48.16M
Avg closing price
$15.06
Last action
Exited
2024Q3
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
META
8.04% · +129.4%
AMZN
6.70% · +97.1%
MA
6.67% · +31.7%
TSM
6.53% · +326.4%
MSFT
5.52% · +33.9%
WDAY
5.34% · -42.4%
CRM
4.89% · -10.2%
BKNG
4.44% · -93.8%
UNH
4.33% · -35.6%
PTC
4.33% · -1.4%
LPLA
4.22% · +33.6%
GOOGL
3.93% · +161.1%
KKR
3.90% · +68.2%
TDG
3.55% · +50.1%
DKS
3.06% · +106.6%
LYV
2.97% · +88.5%
BBWI
2.84% · -42.6%
IBN
2.68% · +24.6%
BILL
2.67% · -64.3%
HDB
2.64% · -53.4%
EPAM
2.60% · -48.6%
ASML
2.16% · +148.0%
SGI
1.99% · +96.1%
FND
1.89% · -40.3%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology9 pos$3.70B35.9%
  • Consumer Cyclical6 pos$2.17B21.0%
  • Financial Services5 pos$2.09B20.2%
  • Communication Services3 pos$1.55B15.0%
  • Healthcare1 pos$449.3M4.4%
  • Industrials1 pos$368.2M3.6%