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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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  • Portfolio32
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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 · 2023Q1
29 positions
1
WDAYWORKDAY INC
Technology·Software - Application
8.16%
of portfolio
Number of shares
4,266,760 sh
Holdings current value
$881.26M
Avg closing price
$249.58
-50.4%
Last action
Exited
2025Q1
Current $123.83
2
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
7.15%
of portfolio
Number of shares
2,679,232 sh
Holdings current value
$772.42M
Avg closing price
$218.62
+93.4%
Last action
Added 1.0%
2025Q4
Current $422.79
3
TSMTAIWAN SEMICONDUCTOR MFG LTDADR
Technology·Semiconductors
7.05%
of portfolio
Number of shares
8,183,930 sh
Holdings current value
$761.27M
Avg closing price
$60.48
+512.6%
Last action
Trimmed 4.5%
2025Q3
Current $370.50
4
BBWIBATH & BODY WORKS INC
Consumer Cyclical·Specialty Retail
6.63%
of portfolio
Number of shares
19,565,935 sh
Holdings current value
$715.72M
Avg closing price
$56.89
-65.9%
Last action
Exited
2024Q3
Current $19.41
5
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
6.32%
of portfolio
Number of shares
6,605,311 sh
Holdings current value
$682.26M
Avg closing price
$187.75
+33.5%
Last action
Trimmed 5.7%
2025Q4
Current $250.56
6
DKSDICKS SPORTING GOODS INC
Consumer Cyclical·Specialty Retail
6.00%
of portfolio
Number of shares
4,566,026 sh
Holdings current value
$647.87M
Avg closing price
$93.72
+139.4%
Last action
Exited
2024Q2
Current $224.36
7
BKNGBOOKING HOLDINGS INC
Consumer Cyclical·Travel Services
5.02%
of portfolio
Number of shares
204,600 sh
Holdings current value
$542.68M
Avg closing price
$1826
-89.5%
Last action
Trimmed 11.5%
2025Q4
Current $192.01
8
TDGTRANSDIGM GROUP INC
Industrials·Aerospace & Defense
4.77%
of portfolio
Number of shares
698,848 sh
Holdings current value
$515.09M
Avg closing price
$398.31
+217.8%
Last action
New holding
2025Q4
Current $1266
9
RHRH
Consumer Cyclical·Specialty Retail
4.00%
of portfolio
Number of shares
1,773,069 sh
Holdings current value
$431.83M
Avg closing price
$614.11
-77.0%
Last action
Exited
2023Q3
Current $141.04
10
UNHUNITEDHEALTH GROUP INC
Healthcare·Healthcare Plans
3.90%
of portfolio
Number of shares
891,167 sh
Holdings current value
$421.16M
Avg closing price
$313.88
+3.4%
Last action
Exited
2025Q3
Current $324.63
11
CRMSALESFORCE COM INC
Technology·Software - Application
3.76%
of portfolio
Number of shares
2,035,296 sh
Holdings current value
$406.61M
Avg closing price
$203.32
-10.4%
Last action
Exited
2025Q3
Current $182.14
12
MAMASTERCARD INCORPORATED
Financial Services·Credit Services
3.53%
of portfolio
Number of shares
1,049,009 sh
Holdings current value
$381.22M
Avg closing price
$378.25
+37.8%
Last action
New holding
2025Q4
Current $521.30
13
LPLALPL FINL HLDGS INC
Financial Services·Capital Markets
3.48%
of portfolio
Number of shares
1,859,641 sh
Holdings current value
$376.39M
Avg closing price
$229.03
+38.6%
Last action
Trimmed 8.9%
2025Q4
Current $317.41
14
KKRKKR & CO INC
Financial Services·Asset Management
3.19%
of portfolio
Number of shares
6,564,382 sh
Holdings current value
$344.76M
Avg closing price
$82.46
+25.6%
Last action
Added 16.3%
2025Q4
Current $103.60
15
PTCPTC INC
Technology·Software - Application
3.18%
of portfolio
Number of shares
2,681,447 sh
Holdings current value
$343.84M
Avg closing price
$111.17
+25.7%
Last action
Exited
2025Q1
Current $139.74
16
VVISA INC
Financial Services·Credit Services
3.10%
of portfolio
Number of shares
1,482,970 sh
Holdings current value
$334.35M
Avg closing price
$147.25
+115.3%
Last action
New holding
2025Q4
Current $317.02
17
ASMLASML HOLDING N V
Technology·Semiconductor Equipment & Materials
2.91%
of portfolio
Number of shares
461,133 sh
Holdings current value
$313.90M
Avg closing price
$735.37
+98.5%
Last action
New holding
2025Q4
Current $1460
18
FNDFLOOR & DECOR HLDGS INC
Consumer Cyclical·Home Improvement Retail
2.75%
of portfolio
Number of shares
3,024,737 sh
Holdings current value
$297.09M
Avg closing price
$85.44
-36.7%
Last action
Exited
2023Q4
Current $54.07
19
EPAMEPAM SYS INC
Technology·Information Technology Services
2.67%
of portfolio
Number of shares
965,588 sh
Holdings current value
$288.71M
Avg closing price
$291.51
-54.9%
Last action
Exited
2024Q2
Current $131.34
20
AMDADVANCED MICRO DEVICES INC
Technology·Semiconductors
2.57%
of portfolio
Number of shares
2,833,633 sh
Holdings current value
$277.72M
Avg closing price
$64.77
+329.8%
Last action
Exited
2023Q2
Current $278.39
21
IBNICICI BANK LIMITEDADR
Financial Services·Banks - Regional
2.41%
of portfolio
Number of shares
12,042,263 sh
Holdings current value
$259.87M
Avg closing price
$16.19
+77.9%
Last action
Exited
2024Q2
Current $28.80
22
MRNAMODERNA INC
Healthcare·Biotechnology
2.17%
of portfolio
Number of shares
1,529,618 sh
Holdings current value
$234.92M
Avg closing price
$225.56
-76.2%
Last action
Exited
2023Q3
Current $53.72
23
HDBHDFC BANK LTDADR
Financial Services·Banks - Regional
1.85%
of portfolio
Number of shares
2,990,549 sh
Holdings current value
$199.38M
Avg closing price
$63.66
-56.8%
Last action
Exited
2024Q1
Current $27.51
24
BILLBILL COM HLDGS INC
Technology·Software - Application
1.37%
of portfolio
Number of shares
1,823,538 sh
Holdings current value
$147.96M
Avg closing price
$103.45
-62.5%
Last action
Exited
2023Q4
Current $38.81
25
G9460G101VALARIS LIMITED
1.15%
of portfolio
Number of shares
1,912,363 sh
Holdings current value
$124.42M
Avg closing price
$65.93
Last action
Exited
2023Q2
Current —
26
AVDXAVIDXCHANGE HOLDINGS INC
0.37%
of portfolio
Number of shares
5,080,632 sh
Holdings current value
$39.63M
Avg closing price
$15.06
Last action
Exited
2024Q3
Current —
27
SGSWEETGREEN INC
Consumer Cyclical·Restaurants
0.33%
of portfolio
Number of shares
4,556,503 sh
Holdings current value
$35.72M
Avg closing price
$32.00
-78.5%
Last action
Exited
2023Q3
Current $6.87
28
MQMARQETA INC
Technology·Software - Infrastructure
0.21%
of portfolio
Number of shares
4,902,192 sh
Holdings current value
$22.40M
Avg closing price
$17.91
-75.5%
Last action
Exited
2023Q3
Current $4.39
29
LNGCHENIERE ENERGY INC
Energy·Oil & Gas Midstream
0.01%
of portfolio
Number of shares
8,338 sh
Holdings current value
$1.31M
Avg closing price
$33.83
+642.2%
Last action
Exited
2023Q3
Current $251.07

Portfolio heatmap

Box size = % of portfolio · color = return since filing
WDAY
8.16% · -40.0%
MSFT
7.15% · +46.6%
TSM
7.05% · +298.3%
BBWI
6.63% · -46.9%
AMZN
6.32% · +142.6%
DKS
6.00% · +58.1%
BKNG
5.02% · -92.8%
TDG
4.77% · +71.7%
RH
4.00% · -42.1%
UNH
3.90% · -31.3%
CRM
3.76% · -8.8%
MA
3.53% · +43.4%
LPLA
3.48% · +56.8%
KKR
3.19% · +97.3%
PTC
3.18% · +9.0%
V
3.10% · +40.6%
ASML
2.91% · +114.5%
FND
2.75% · -45.0%
EPAM
2.67% · -56.1%
AMD
2.57% · +184.0%
IBN
2.41% · +33.5%
MRNA
2.17% · -65.0%
HDB
1.85% · -58.7%
BILL
1.37% · -52.2%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology10 pos$4.22B39.6%
  • Consumer Cyclical7 pos$3.35B31.5%
  • Financial Services6 pos$1.90B17.8%
  • Healthcare2 pos$656.1M6.2%
  • Industrials1 pos$515.1M4.8%
  • Energy1 pos$1.3M0.0%
(1.5% unclassified, excluded from %)