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ACM

Altimeter Capital Management Portfolio holdings

AUM $5.7B
1-Year Est. Return 36.74%
This Fund
S&P 500
This Quarter Est. Return
+9.59%
1 Year Est. Return
+36.74%
3 Year Est. Return
+176%
5 Year Est. Return
+104.86%
10 Year Est. Return
+689.24%
AUM
$7.58B
AUM Growth
+$651M
Cap. Flow
+$216M
Cap. Flow %
2.85%
Top 10 Hldgs %
81.89%
Holding
26
New
8
Increased
4
Reduced
10
Closed
3

Top Buys

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$228M
2
PDD icon
Pinduoduo
PDD
+$162M
3
AMZN icon
Amazon
AMZN
+$159M
4
SNPS icon
Synopsys
SNPS
+$146M
5
BABA icon
Alibaba
BABA
+$127M

Top Sells

Rank Stock Value
1
IOT icon
Samsara
IOT
+$119M
2
DDOG icon
Datadog
DDOG
+$118M
3
CRWV
CoreWeave
CRWV
+$106M
4
NVDA icon
NVIDIA
NVDA
+$106M
5
CFLT
Confluent
CFLT
+$89.3M

Sector Composition

Rank Sector Weight
1 Technology 55.28%
2 Communication Services 21.3%
3 Consumer Discretionary 17.99%
4 Financials 5.41%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CRWV
26
CoreWeave
CRWV
$49.5B
– –
-649,536
Closed -$106M
1
2

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Altimeter Capital Management's Q3 2025 Portfolio in Review

As of Q3 2025, Altimeter Capital Management held 26 positions worth $7.58B, up 9.4% from $6.93B the previous quarter. Its ten largest holdings account for 82% of the portfolio.

Altimeter Capital Management's Q3 2025 filing shows 8 new, 4 increased, 10 reduced and 3 closed positions. Its largest new stake was Broadcom: 744,776 shares worth $246M. The largest sale was Samsara, an estimated $119M.

By sector, the portfolio is most concentrated in Technology at 55% of assets, down from 59% a quarter earlier, followed by Communication Services and Consumer Discretionary.

  • Altimeter Capital Management's largest Q3 2025 buy was Broadcom: 744,776 shares worth $246M.
  • Altimeter Capital Management added most to Amazon in Q3 2025, an estimated $159M increase.
  • Altimeter Capital Management's biggest Q3 2025 reduction was NVIDIA, cutting an estimated $106M.
  • Altimeter Capital Management fully exited Samsara in Q3 2025, selling an estimated $119M.
  • Altimeter Capital Management's ten largest holdings make up 82% of its $7.58B portfolio in Q3 2025.
  • Altimeter Capital Management opened 8 new positions and closed 3 in Q3 2025.
  • Altimeter Capital Management's portfolio value rose 9.4% quarter-over-quarter to $7.58B.

Based on Altimeter Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.