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Brad Gerstner Altimeter Capital Management

AUM $9.83B
1-Year Est. Return 24.98%
 

Brad Gerstner is the founder and CEO of Altimeter Capital, a technology-focused investment firm active in both public and private markets. A former internet entrepreneur and airline executive, he brings an operator’s lens to high-growth software, internet, and semiconductor businesses. Gerstner is frequently cited for concentrated bets on large-cap technology platforms and for outspoken commentary on AI infrastructure and capital allocation in the sector.

This Fund
S&P 500
This Quarter Est. Return
+9.59%
1 Year Est. Return
+24.98%
3 Year Est. Return
+186.54%
5 Year Est. Return
+145.07%
10 Year Est. Return
+1,056.52%
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
NVDA icon
1
NVIDIA
NVDA
$5.45T
$1.43B 18.81%
7,644,898
-607,262
-7% -$106M
META icon
2
Meta Platforms (Facebook)
META
$1.5T
$1.37B 18.07%
1,865,938
-11,363
-0.6% -$8.46M
MSFT icon
3
Microsoft
MSFT
$3.68T
$602M 7.94%
1,162,092
+103,971
+10% +$53M
SNOW icon
4
Snowflake
SNOW
$114B
$548M 7.22%
2,428,384
-397,246
-14% -$85.3M
UBER icon
5
Uber
UBER
$155B
$548M 7.22%
5,588,792
-364,312
-6% -$34.1M
AMZN icon
6
Amazon
AMZN
$2.83T
$476M 6.28%
2,167,474
+702,611
+48% +$159M
HOOD icon
7
Robinhood
HOOD
$85.9B
$372M 4.9%
2,596,875
-648,582
-20% -$70.7M
CPNG icon
8
Coupang
CPNG
$29B
$323M 4.26%
10,024,584
-1,408,114
-12% -$42.6M
TSM icon
9
TSMC
TSM
$2.21T
$298M 3.94%
1,068,677
+201,468
+23% +$49.3M
AVGO icon
10
Broadcom
AVGO
$1.87T
$246M 3.24%
+744,776
New +$228M
CFLT
11
DELISTED
Confluent
CFLT
$223M 2.95%
11,281,793
-4,271,183
-27% -$89.3M
PDD icon
12
Pinduoduo
PDD
$121B
$181M 2.39%
+1,371,680
New +$162M
BABA icon
13
Alibaba
BABA
$297B
$173M 2.28%
+969,100
New +$127M
Z icon
14
Zillow
Z
$7.82B
$169M 2.22%
2,187,421
-200,351
-8% -$16.4M
ARM icon
15
Arm
ARM
$298B
$155M 2.05%
1,098,139
+164,931
+18% +$24M
SNPS icon
16
Synopsys
SNPS
$80.7B
$127M 1.68%
+258,280
New +$146M
CART icon
17
Maplebear
CART
$11.3B
$122M 1.61%
3,324,951
-891,817
-21% -$41.1M
MELI icon
18
Mercado Libre
MELI
$93.5B
$88.4M 1.17%
37,841
-8,698
-19% -$20.9M
GOOGL icon
19
Alphabet (Google) Class A
GOOGL
$4.23T
$76.1M 1%
+313,132
New +$65.6M
GEMI
20
Gemini Space Station
GEMI
$496M
$38.3M 0.51%
+1,600,000
New +$41.3M
PTRN
21
Pattern Group Inc
PTRN
$3.8B
$9.88M 0.13%
+721,430
New +$10.1M
NTSK
22
Netskope Inc
NTSK
$6.39B
$7.39M 0.1%
+325,000
New +$7.73M
AGCWW
23
DELISTED
Altimeter Growth Corp Warrant
AGCWW
$1.76M 0.02%
3,502,000
– –
DDOG icon
24
Datadog
DDOG
$91.7B
– –
-881,730
Closed -$118M
IOT icon
25
Samsara
IOT
$23.2B
– –
-2,990,578
Closed -$119M
1
2

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Brad Gerstner's Q3 2025 Portfolio in Review

As of Q3 2025, Brad Gerstner 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.

Brad Gerstner'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.

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