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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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  3. Brad Gerstner (Altimeter Capital)
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Hedge Fund · CIK 0001541617

Brad Gerstner

Altimeter Capital
Share
  • Tech-Heavy
  • Concentrated
  • Mid-Size Fund

Brad Gerstner runs Altimeter Capital, a hedge fund overseeing $6.66B in disclosed equity holdings (SEC CIK 0001541617). The latest portfolio (2025Q4) discloses 18 positions across 5 sectors, with the largest positions in NVDA, META and MSFT. On a mark-to-market basis the tracked portfolio has returned 35.9% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Brad's filingsView holdings↓
Portfolio
$6.66B
Positions
18
Quarter
2025Q4
Filings tracked
40
1Y+35.9%Since filing+93.8%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Holdings

Sorted by value · 2025Q3
23 positions
1
NVDANVIDIA CORPORATION
Technology·Semiconductors
18.81%
of portfolio
Number of shares
7,644,898 sh
Holdings current value
$1.43B
Avg closing price
$139.11
+45.0%
Last action
Added 6.3%
2025Q4
Current $201.68
2
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
18.07%
of portfolio
Number of shares
1,865,938 sh
Holdings current value
$1.37B
Avg closing price
$173.64
+296.5%
Last action
Trimmed 1.1%
2025Q4
Current $688.55
3
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
7.94%
of portfolio
Number of shares
1,162,092 sh
Holdings current value
$601.91M
Avg closing price
$263.74
+60.3%
Last action
Added 11.0%
2025Q4
Current $422.79
4
SNOWSNOWFLAKE INC
Technology·Software - Application
7.22%
of portfolio
Number of shares
2,428,384 sh
Holdings current value
$547.72M
Avg closing price
$244.02
-41.0%
Last action
Trimmed 14.2%
2025Q4
Current $143.98
5
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
7.22%
of portfolio
Number of shares
5,588,792 sh
Holdings current value
$547.53M
Avg closing price
$36.40
+111.9%
Last action
Trimmed 6.1%
2025Q3
Current $77.12
6
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
6.28%
of portfolio
Number of shares
2,167,474 sh
Holdings current value
$475.91M
Avg closing price
$203.27
+23.3%
Last action
Added 2.3%
2025Q4
Current $250.56
7
HOODROBINHOOD MKTS INC
Financial Services·Capital Markets
4.90%
of portfolio
Number of shares
2,596,875 sh
Holdings current value
$371.82M
Avg closing price
$47.39
+91.5%
Last action
Trimmed 33.4%
2025Q4
Current $90.75
8
CPNGCOUPANG INC
Consumer Cyclical·Internet Retail
4.26%
of portfolio
Number of shares
10,024,584 sh
Holdings current value
$322.79M
Avg closing price
$27.84
-22.6%
Last action
Added 129.3%
2025Q4
Current $21.55
9
TSMTAIWAN SEMICONDUCTOR MFG LTDADR
Technology·Semiconductors
3.94%
of portfolio
Number of shares
1,068,677 sh
Holdings current value
$298.47M
Avg closing price
$222.92
+66.2%
Last action
Added 16.4%
2025Q4
Current $370.50
10
AVGOBROADCOM INC
Technology·Semiconductors
3.24%
of portfolio
Number of shares
744,776 sh
Holdings current value
$245.71M
Avg closing price
$307.34
+32.3%
Last action
Trimmed 48.9%
2025Q4
Current $406.54
11
8QRCONFLUENT INC
2.95%
of portfolio
Number of shares
11,281,793 sh
Holdings current value
$223.38M
Avg closing price
$30.24
Last action
Trimmed 27.8%
2025Q4
Current —
12
PDDPINDUODUO INCADR
Consumer Cyclical·Internet Retail
2.39%
of portfolio
Number of shares
1,371,680 sh
Holdings current value
$181.29M
Avg closing price
$113.16
-7.4%
Last action
Exited
2025Q4
Current $104.79
13
BABAALIBABA GROUP HLDG LTDADR
Consumer Cyclical·Internet Retail
2.28%
of portfolio
Number of shares
969,100 sh
Holdings current value
$173.21M
Avg closing price
$199.30
-29.2%
Last action
Exited
2025Q4
Current $141.01
14
ZZILLOW GROUP INC
Communication Services·Internet Content & Information
2.22%
of portfolio
Number of shares
2,187,421 sh
Holdings current value
$168.54M
Avg closing price
$54.18
-13.5%
Last action
Trimmed 8.4%
2025Q3
Current $46.86
15
ARMARM HOLDINGS PLCADR
Technology·Semiconductors
2.05%
of portfolio
Number of shares
1,098,139 sh
Holdings current value
$155.38M
Avg closing price
$149.91
+11.2%
Last action
Exited
2025Q4
Current $166.73
16
SNPSSYNOPSYS INC
Technology·Software - Infrastructure
1.68%
of portfolio
Number of shares
258,280 sh
Holdings current value
$127.43M
Avg closing price
$493.39
-8.9%
Last action
Exited
2025Q4
Current $449.58
17
CARTMAPLEBEAR INC
Consumer Cyclical·Internet Retail
1.61%
of portfolio
Number of shares
3,324,951 sh
Holdings current value
$122.23M
Avg closing price
$41.91
-1.2%
Last action
Exited
2025Q4
Current $41.39
18
MELIMERCADOLIBRE INC
Consumer Cyclical·Internet Retail
1.17%
of portfolio
Number of shares
37,841 sh
Holdings current value
$88.43M
Avg closing price
$2309
-19.6%
Last action
Added 425.4%
2025Q4
Current $1856
19
GOOGLALPHABET INC
Communication Services·Internet Content & Information
1.00%
of portfolio
Number of shares
313,132 sh
Holdings current value
$76.12M
Avg closing price
$226.52
+50.8%
Last action
Added 192.7%
2025Q4
Current $341.68
20
GEMIGEMINI SPACE STA INC
Financial Services·Capital Markets
0.51%
of portfolio
Number of shares
1,600,000 sh
Holdings current value
$38.34M
Avg closing price
$23.96
-79.9%
Last action
Exited
2025Q4
Current $4.81
21
PTRNPATTERN GROUP INC
Technology·Software - Application
0.13%
of portfolio
Number of shares
721,430 sh
Holdings current value
$9.88M
Avg closing price
$13.70
-1.2%
Last action
Exited
2025Q4
Current $13.53
22
NTSKNETSKOPE INC
Technology·Software - Infrastructure
0.10%
of portfolio
Number of shares
325,000 sh
Holdings current value
$7.39M
Avg closing price
$22.73
-56.6%
Last action
Exited
2025Q4
Current $9.87
23
G0370L116ALTIMETER GROWTH CORP
0.02%
of portfolio
Number of shares
3,502,000 sh
Holdings current value
$1.76M
Avg closing price
$2.11
Last action
New holding
2021Q4
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
NVDA
18.81% · +8.1%
META
18.07% · -6.2%
MSFT
7.94% · -18.4%
SNOW
7.22% · -36.2%
UBER
7.22% · -21.3%
AMZN
6.28% · +14.1%
HOOD
4.90% · -36.6%
CPNG
4.26% · -33.1%
TSM
3.94% · +32.7%
AVGO
3.24% · +23.2%
8QR
2.95%
PDD
2.39% · -20.7%
BABA
2.28% · -21.1%
Z
2.22% · -39.2%
ARM
2.05% · +17.8%
SNPS
1.68% · -8.9%
CART
1.61% · +12.6%
MELI
1.17% · -20.6%
GOOGL
1.00% · +40.6%
GEMI
0.51% · -79.9%
PTRN
0.13% · -1.2%
NTSK
0.10% · -56.6%
ALTIMETER GROWTH CORP
0.02%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology10 pos$3.97B53.9%
  • Communication Services3 pos$1.61B22.0%
  • Consumer Cyclical6 pos$1.36B18.5%
  • Financial Services2 pos$410.2M5.6%
(3.0% unclassified, excluded from %)