Altimeter Capital Management, LP

Fundamental concentrated ★Highest signal technology specialist (80%) CIK 1541617
League rank
#345
in Fundamental concentrated · #773 overall
Long book
$5.70B
Q1 2026
Positions
13
Top-10 weight
99%
concentration
Last quarter
+18.3%
SPY +14.8%
Turnover
45%
of book per quarter

Strategy in plain words

auto-generated from filings

Altimeter Capital Management, LP is a concentrated fundamental stock-picker, specialised in technology (80% of the long book), running a $5.70B US long book across 13 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: NVIDIA CORP, META PLATFORMS INC-CLASS A, UBER TECHNOLOGIES INC, TAIWAN SEMICONDUCTOR-SP ADR, MICROSOFT CORP.

Over the last 9 quarters its long book ran on average 0.9pp per quarter ahead of the S&P 500, beating the index in 3 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+2.1%
Q2 2024
-0.2%
Q3 2024
+7.5%
Q4 2024
-8.6%
Q1 2025
+41.8%
Q2 2025
+6.9%
Q3 2025
-6.7%
Q4 2025
-12.7%
Q1 2026
+18.3%

Sector allocation

Technology
77%
Services media
12%
Consumer discretionary
9%
Industrials
1%
Financials
1%

Long book by quarter

$6.51B
Q1 2024
$6.73B
Q2 2024
$6.75B
Q3 2024
$5.55B
Q4 2024
$4.97B
Q1 2025
$6.93B
Q2 2025
$7.58B
Q3 2025
$6.66B
Q4 2025
$5.70B
Q1 2026

What does Altimeter Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NVDA NVIDIA CORPTechnology9.3M$1.63B28.6%+15.3%
META META PLATFORMS INC-CLASS ATechnology2.0M$1.12B19.6%+5.9%
UBER UBER TECHNOLOGIES INCServices media8.0M$573.4M10.1%+42.6%
MSFT MICROSOFT CORPTechnology1.2M$438.1M7.7%-7.3%
AMZN AMAZON.COM INCConsumer discretionary2.1M$435.2M7.6%-5.7%
CRWV COREWEAVE INC-CL ATechnology4.5M$348.5M6.1%+40.0%
SNOW SNOWFLAKE INCTechnology1.9M$290.5M5.1%-5.0%
AXON AXON ENTERPRISE INCIndustrials149.0K$63.3M1.1%New
HOOD ROBINHOOD MARKETS INC - AFinancials899.7K$62.3M1.1%-30.4%
AVGO BROADCOM INCTechnology67.1K$20.8M0.4%+108.8%
GRAB GRAB HOLDINGS LIMITEDServices media3.5M$263K0.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202613$5.70B canonicalSEC ↗
Q4 202513F-HRFeb 17, 202618$6.66B canonicalSEC ↗
Q3 202513F-HRNov 14, 202523$7.58B canonicalSEC ↗
Q2 202513F-HRAug 14, 202518$6.93B canonicalSEC ↗
Q1 202513F-HRMay 15, 202522$4.97B canonicalSEC ↗
Q4 202413F-HRFeb 14, 202524$5.55B canonicalSEC ↗
Q3 202413F-HRNov 14, 202423$6.75B canonicalSEC ↗
Q2 202413F-HRAug 14, 202420$6.73B canonicalSEC ↗
Q1 202413F-HRMay 15, 202417$6.51B canonicalSEC ↗