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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 · 2025Q2
18 positions
1
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
19.99%
of portfolio
Number of shares
1,877,301 sh
Holdings current value
$1.39B
Avg closing price
$173.64
+296.5%
Last action
Trimmed 1.1%
2025Q4
Current $688.55
2
NVDANVIDIA CORPORATION
Technology·Semiconductors
18.81%
of portfolio
Number of shares
8,252,160 sh
Holdings current value
$1.30B
Avg closing price
$139.11
+45.0%
Last action
Added 5.8%
2025Q4
Current $201.68
3
SNOWSNOWFLAKE INC
Technology·Software - Application
9.12%
of portfolio
Number of shares
2,825,630 sh
Holdings current value
$632.29M
Avg closing price
$244.02
-41.0%
Last action
Trimmed 12.4%
2025Q4
Current $143.98
4
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
8.01%
of portfolio
Number of shares
5,953,104 sh
Holdings current value
$555.42M
Avg closing price
$36.40
+111.9%
Last action
Trimmed 5.8%
2025Q3
Current $77.12
5
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
7.59%
of portfolio
Number of shares
1,058,121 sh
Holdings current value
$526.32M
Avg closing price
$263.74
+60.3%
Last action
Added 12.2%
2025Q4
Current $422.79
6
8QRCONFLUENT INC
5.59%
of portfolio
Number of shares
15,552,976 sh
Holdings current value
$387.74M
Avg closing price
$30.24
Last action
Trimmed 21.9%
2025Q4
Current —
7
CPNGCOUPANG INC
Consumer Cyclical·Internet Retail
4.94%
of portfolio
Number of shares
11,432,698 sh
Holdings current value
$342.52M
Avg closing price
$27.84
-22.6%
Last action
Added 97.8%
2025Q4
Current $21.55
8
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
4.64%
of portfolio
Number of shares
1,464,863 sh
Holdings current value
$321.38M
Avg closing price
$203.27
+23.3%
Last action
Added 3.4%
2025Q4
Current $250.56
9
HOODROBINHOOD MKTS INC
Financial Services·Capital Markets
4.38%
of portfolio
Number of shares
3,245,457 sh
Holdings current value
$303.87M
Avg closing price
$47.39
+91.5%
Last action
Trimmed 28.7%
2025Q4
Current $90.75
10
TSMTAIWAN SEMICONDUCTOR MFG LTDADR
Technology·Semiconductors
2.83%
of portfolio
Number of shares
867,209 sh
Holdings current value
$196.41M
Avg closing price
$222.92
+66.2%
Last action
Added 21.0%
2025Q4
Current $370.50
11
CARTMAPLEBEAR INC
Consumer Cyclical·Internet Retail
2.75%
of portfolio
Number of shares
4,216,768 sh
Holdings current value
$190.77M
Avg closing price
$41.91
-1.2%
Last action
Exited
2025Q4
Current $41.39
12
ZZILLOW GROUP INC
Communication Services·Internet Content & Information
2.41%
of portfolio
Number of shares
2,387,772 sh
Holdings current value
$167.26M
Avg closing price
$54.18
-13.5%
Last action
Trimmed 7.7%
2025Q3
Current $46.86
13
ARMARM HOLDINGS PLCADR
Technology·Semiconductors
2.18%
of portfolio
Number of shares
933,208 sh
Holdings current value
$150.94M
Avg closing price
$149.91
+11.2%
Last action
Exited
2025Q4
Current $166.73
14
MELIMERCADOLIBRE INC
Consumer Cyclical·Internet Retail
1.76%
of portfolio
Number of shares
46,539 sh
Holdings current value
$121.64M
Avg closing price
$2309
-19.6%
Last action
Added 192.7%
2025Q4
Current $1856
15
IOTSAMSARA INC
Technology·Software - Infrastructure
1.72%
of portfolio
Number of shares
2,990,578 sh
Holdings current value
$118.97M
Avg closing price
$38.41
-20.3%
Last action
Exited
2025Q3
Current $30.62
16
DDOGDATADOG INC
Technology·Software - Application
1.71%
of portfolio
Number of shares
881,730 sh
Holdings current value
$118.44M
Avg closing price
$129.14
-2.0%
Last action
Exited
2025Q3
Current $126.61
17
CRWVCOREWEAVE INC
Technology·Software - Infrastructure
1.53%
of portfolio
Number of shares
649,536 sh
Holdings current value
$105.91M
Avg closing price
$64.63
+80.8%
Last action
New holding
2025Q4
Current $116.85
18
G0370L116ALTIMETER GROWTH CORP
0.02%
of portfolio
Number of shares
3,502,000 sh
Holdings current value
$1.37M
Avg closing price
$2.11
Last action
New holding
2021Q4
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
META
19.99% · -6.7%
NVDA
18.81% · +27.7%
SNOW
9.12% · -35.7%
UBER
8.01% · -17.3%
MSFT
7.59% · -15.0%
8QR
5.59%
CPNG
4.94% · -28.1%
AMZN
4.64% · +14.2%
HOOD
4.38% · -3.1%
TSM
2.83% · +63.6%
CART
2.75% · -8.5%
Z
2.41% · -33.1%
ARM
2.18% · +3.1%
MELI
1.76% · -29.0%
IOT
1.72% · -23.0%
DDOG
1.71% · -5.7%
CRWV
1.53% · -28.3%
ALTIMETER GROWTH CORP
0.02%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology9 pos$3.71B56.7%
  • Communication Services2 pos$1.55B23.7%
  • Consumer Cyclical4 pos$976.3M14.9%
  • Financial Services1 pos$303.9M4.6%
(5.6% unclassified, excluded from %)