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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 · 2024Q3
23 positions
1
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
19.19%
of portfolio
Number of shares
2,264,001 sh
Holdings current value
$1.30B
Avg closing price
$173.64
+296.5%
Last action
Trimmed 0.9%
2025Q4
Current $688.55
2
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
14.84%
of portfolio
Number of shares
13,336,600 sh
Holdings current value
$1.00B
Avg closing price
$36.40
+111.9%
Last action
Trimmed 2.7%
2025Q3
Current $77.12
3
SNOWSNOWFLAKE INC
Technology·Software - Application
14.71%
of portfolio
Number of shares
8,647,959 sh
Holdings current value
$993.30M
Avg closing price
$244.02
-41.0%
Last action
Trimmed 4.4%
2025Q4
Current $143.98
4
NVDANVIDIA CORPORATION
Technology·Semiconductors
14.02%
of portfolio
Number of shares
7,796,589 sh
Holdings current value
$946.82M
Avg closing price
$139.11
+45.0%
Last action
Added 6.2%
2025Q4
Current $201.68
5
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
10.10%
of portfolio
Number of shares
1,585,900 sh
Holdings current value
$682.41M
Avg closing price
$263.74
+60.3%
Last action
Added 7.8%
2025Q4
Current $422.79
6
8QRCONFLUENT INC
4.11%
of portfolio
Number of shares
13,626,464 sh
Holdings current value
$277.71M
Avg closing price
$30.24
Last action
Trimmed 24.2%
2025Q4
Current —
7
KWEBKRANESHARES TRETF
2.86%
of portfolio
Number of shares
5,671,010 sh
Holdings current value
$192.93M
Avg closing price
$34.02
-10.5%
Last action
Exited
2024Q4
Current $30.45
8
TSLATESLA INC
Consumer Cyclical·Auto Manufacturers
2.57%
of portfolio
Number of shares
662,400 sh
Holdings current value
$173.30M
Avg closing price
$206.37
+94.1%
Last action
Exited
2025Q1
Current $400.62
9
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
2.49%
of portfolio
Number of shares
902,290 sh
Holdings current value
$168.12M
Avg closing price
$203.27
+23.3%
Last action
Added 5.6%
2025Q4
Current $250.56
10
CPNGCOUPANG INC
Consumer Cyclical·Internet Retail
2.38%
of portfolio
Number of shares
6,559,675 sh
Holdings current value
$161.04M
Avg closing price
$27.84
-22.6%
Last action
Added 622.9%
2025Q4
Current $21.55
11
MELIMERCADOLIBRE INC
Consumer Cyclical·Internet Retail
1.87%
of portfolio
Number of shares
61,460 sh
Holdings current value
$126.11M
Avg closing price
$2309
-19.6%
Last action
Added 99.4%
2025Q4
Current $1856
12
CRMSALESFORCE COM INC
Technology·Software - Application
1.86%
of portfolio
Number of shares
457,735 sh
Holdings current value
$125.29M
Avg closing price
$172.18
+5.8%
Last action
Exited
2025Q1
Current $182.14
13
GOOGLALPHABET INC
Communication Services·Internet Content & Information
1.62%
of portfolio
Number of shares
661,645 sh
Holdings current value
$109.73M
Avg closing price
$226.52
+50.8%
Last action
Added 45.3%
2025Q4
Current $341.68
14
TSMTAIWAN SEMICONDUCTOR MFG LTDADR
Technology·Semiconductors
1.34%
of portfolio
Number of shares
519,290 sh
Holdings current value
$90.19M
Avg closing price
$222.92
+66.2%
Last action
Added 40.8%
2025Q4
Current $370.50
15
IOTSAMSARA INC
Technology·Software - Infrastructure
1.04%
of portfolio
Number of shares
1,452,933 sh
Holdings current value
$69.92M
Avg closing price
$38.41
-20.3%
Last action
Exited
2025Q3
Current $30.62
16
AVGOBROADCOM INC
Technology·Semiconductors
1.01%
of portfolio
Number of shares
396,895 sh
Holdings current value
$68.46M
Avg closing price
$307.34
+32.3%
Last action
Trimmed 64.2%
2025Q4
Current $406.54
17
FUTUFUTU HLDGS LTDADR
Financial Services·Capital Markets
0.82%
of portfolio
Number of shares
575,750 sh
Holdings current value
$55.07M
Avg closing price
$95.65
+74.5%
Last action
Exited
2024Q4
Current $166.93
18
ZZILLOW GROUP INC
Communication Services·Internet Content & Information
0.81%
of portfolio
Number of shares
855,580 sh
Holdings current value
$54.63M
Avg closing price
$54.18
-13.5%
Last action
Trimmed 19.0%
2025Q3
Current $46.86
19
DUOLDUOLINGO INC
Technology·Software - Application
0.80%
of portfolio
Number of shares
191,625 sh
Holdings current value
$54.04M
Avg closing price
$206.57
-51.3%
Last action
Exited
2025Q1
Current $100.51
20
RBRKRUBRIK INC.
Technology·Software - Infrastructure
0.78%
of portfolio
Number of shares
1,648,598 sh
Holdings current value
$53.00M
Avg closing price
$31.99
+63.6%
Last action
Exited
2025Q2
Current $52.34
21
LINELINEAGE INCREIT
Real Estate·REIT - Industrial
0.46%
of portfolio
Number of shares
400,000 sh
Holdings current value
$31.35M
Avg closing price
$78.38
-51.9%
Last action
Exited
2024Q4
Current $37.69
22
ALABASTERA LABS INC
Technology·Semiconductors
0.31%
of portfolio
Number of shares
400,000 sh
Holdings current value
$20.96M
Avg closing price
$79.26
+119.6%
Last action
Exited
2025Q2
Current $174.05
23
G0370L116ALTIMETER GROWTH CORP
0.01%
of portfolio
Number of shares
3,502,000 sh
Holdings current value
$849.2K
Avg closing price
$2.11
Last action
New holding
2021Q4
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
META
19.19% · +20.3%
UBER
14.84% · +2.6%
SNOW
14.71% · +25.4%
NVDA
14.02% · +66.1%
MSFT
10.10% · -1.7%
8QR
4.11%
KWEB
2.86% · -10.5%
TSLA
2.57% · +53.1%
AMZN
2.49% · +34.5%
CPNG
2.38% · -12.2%
MELI
1.87% · -9.6%
CRM
1.86% · -33.5%
GOOGL
1.62% · +106.0%
TSM
1.34% · +113.3%
IOT
1.04% · -36.4%
AVGO
1.01% · +135.7%
FUTU
0.82% · +74.5%
Z
0.81% · -26.6%
DUOL
0.80% · -64.4%
RBRK
0.78% · +62.8%
LINE
0.46% · -51.9%
ALAB
0.31% · +232.2%
ALTIMETER GROWTH CORP
0.01%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology11 pos$4.11B65.4%
  • Communication Services3 pos$1.46B23.2%
  • Consumer Cyclical4 pos$628.6M10.0%
  • Financial Services1 pos$55.1M0.9%
  • Real Estate1 pos$31.4M0.5%
(7.0% unclassified, excluded from %)