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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 · 2025Q1
22 positions
1
METAMETA PLATFORMS INC
Communication Services·Internet Content & Information
21.28%
of portfolio
Number of shares
1,835,636 sh
Holdings current value
$1.06B
Avg closing price
$173.64
+296.5%
Last action
Trimmed 1.1%
2025Q4
Current $688.55
2
NVDANVIDIA CORPORATION
Technology·Semiconductors
15.59%
of portfolio
Number of shares
7,150,477 sh
Holdings current value
$774.97M
Avg closing price
$139.11
+45.0%
Last action
Added 6.8%
2025Q4
Current $201.68
3
QQQINVESCO QQQ TRETF
9.32%
of portfolio
Number of shares
988,000 sh
Holdings current value
$463.29M
Avg closing price
$468.92
+38.4%
Last action
Exited
2025Q2
Current $648.85
4
SNOWSNOWFLAKE INC
Technology·Software - Application
8.67%
of portfolio
Number of shares
2,947,384 sh
Holdings current value
$430.79M
Avg closing price
$244.02
-41.0%
Last action
Trimmed 12.0%
2025Q4
Current $143.98
5
UBERUBER TECHNOLOGIES INC
Technology·Software - Application
8.30%
of portfolio
Number of shares
5,666,302 sh
Holdings current value
$412.85M
Avg closing price
$36.40
+111.9%
Last action
Trimmed 6.0%
2025Q3
Current $77.12
6
MSFTMICROSOFT CORP
Technology·Software - Infrastructure
7.36%
of portfolio
Number of shares
975,080 sh
Holdings current value
$366.04M
Avg closing price
$263.74
+60.3%
Last action
Added 13.4%
2025Q4
Current $422.79
7
8QRCONFLUENT INC
6.15%
of portfolio
Number of shares
13,042,080 sh
Holdings current value
$305.71M
Avg closing price
$30.24
Last action
Trimmed 25.0%
2025Q4
Current —
8
AMZNAMAZON COM INC
Consumer Cyclical·Internet Retail
4.00%
of portfolio
Number of shares
1,045,155 sh
Holdings current value
$198.85M
Avg closing price
$203.27
+23.3%
Last action
Added 4.8%
2025Q4
Current $250.56
9
CPNGCOUPANG INC
Consumer Cyclical·Internet Retail
3.28%
of portfolio
Number of shares
7,441,445 sh
Holdings current value
$163.19M
Avg closing price
$27.84
-22.6%
Last action
Added 315.9%
2025Q4
Current $21.55
10
CARTMAPLEBEAR INC
Consumer Cyclical·Internet Retail
2.69%
of portfolio
Number of shares
3,348,128 sh
Holdings current value
$133.56M
Avg closing price
$41.91
-1.2%
Last action
Exited
2025Q4
Current $41.39
11
G3643J108FLUTTER ENTMT PLC
2.53%
of portfolio
Number of shares
568,410 sh
Holdings current value
$125.93M
Avg closing price
$246.24
Last action
Exited
2025Q2
Current —
12
HOODROBINHOOD MKTS INC
Financial Services·Capital Markets
2.42%
of portfolio
Number of shares
2,885,714 sh
Holdings current value
$120.10M
Avg closing price
$47.39
+91.5%
Last action
Trimmed 31.1%
2025Q4
Current $90.75
13
CRWVCOREWEAVE INC
Technology·Software - Infrastructure
2.24%
of portfolio
Number of shares
2,999,536 sh
Holdings current value
$111.22M
Avg closing price
$64.63
+80.8%
Last action
New holding
2025Q4
Current $116.85
14
ZZILLOW GROUP INC
Communication Services·Internet Content & Information
1.83%
of portfolio
Number of shares
1,323,554 sh
Holdings current value
$90.74M
Avg closing price
$54.18
-13.5%
Last action
Trimmed 13.1%
2025Q3
Current $46.86
15
BABAALIBABA GROUP HLDG LTDADR
Consumer Cyclical·Internet Retail
1.44%
of portfolio
Number of shares
540,370 sh
Holdings current value
$71.45M
Avg closing price
$199.30
-29.2%
Last action
Exited
2025Q4
Current $141.01
16
ALABASTERA LABS INC
Technology·Semiconductors
1.18%
of portfolio
Number of shares
981,697 sh
Holdings current value
$58.58M
Avg closing price
$79.26
+119.6%
Last action
Exited
2025Q2
Current $174.05
17
RBRKRUBRIK INC.
Technology·Software - Infrastructure
1.02%
of portfolio
Number of shares
832,003 sh
Holdings current value
$50.74M
Avg closing price
$31.99
+63.6%
Last action
Exited
2025Q2
Current $52.34
18
ARMARM HOLDINGS PLCADR
Technology·Semiconductors
0.38%
of portfolio
Number of shares
175,600 sh
Holdings current value
$18.75M
Avg closing price
$149.91
+11.2%
Last action
Exited
2025Q4
Current $166.73
19
MELIMERCADOLIBRE INC
Consumer Cyclical·Internet Retail
0.13%
of portfolio
Number of shares
3,300 sh
Holdings current value
$6.44M
Avg closing price
$2309
-19.6%
Last action
Added
2025Q4
Current $1856
20
SAILSAILPOINT INC
Technology·Software - Infrastructure
0.09%
of portfolio
Number of shares
250,000 sh
Holdings current value
$4.69M
Avg closing price
$18.75
-38.3%
Last action
Exited
2025Q2
Current $11.57
21
TTANSERVICETITAN INC
Technology·Software - Application
0.08%
of portfolio
Number of shares
40,000 sh
Holdings current value
$3.80M
Avg closing price
$102.87
-37.5%
Last action
Exited
2025Q2
Current $64.31
22
G0370L116ALTIMETER GROWTH CORP
0.03%
of portfolio
Number of shares
3,502,000 sh
Holdings current value
$1.42M
Avg closing price
$2.11
Last action
New holding
2021Q4
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
META
21.28% · +19.5%
NVDA
15.59% · +86.1%
QQQ
9.32% · +38.4%
SNOW
8.67% · -1.5%
UBER
8.30% · +5.8%
MSFT
7.36% · +12.6%
8QR
6.15%
AMZN
4.00% · +31.7%
CPNG
3.28% · -1.7%
CART
2.69% · +3.8%
FLUTTER ENTMT PLC
2.53%
HOOD
2.42% · +118.0%
CRWV
2.24% · +215.1%
Z
1.83% · -31.7%
BABA
1.44% · +6.6%
ALAB
1.18% · +191.7%
RBRK
1.02% · -14.2%
ARM
0.38% · +56.1%
MELI
0.13% · -4.9%
SAIL
0.09% · -38.3%
TTAN
0.08% · -32.4%
ALTIMETER GROWTH CORP
0.03%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Technology10 pos$2.23B54.8%
  • Communication Services2 pos$1.15B28.2%
  • Consumer Cyclical5 pos$573.5M14.1%
  • Financial Services1 pos$120.1M2.9%
(18.0% unclassified, excluded from %)