Hedge Fund · CIK 0001541617

Brad Gerstner

Altimeter Capital
Share

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%3Y+193.6%5Y+49.4%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
Capital flow per quarter
BuysSellsNet
+$2.24B+$1.12B$0-$1.12B-$2.24B'22Q1'22Q2'22Q3'22Q4'23Q1'23Q2'23Q3'23Q4'24Q1'24Q2'24Q3'24Q4'25Q1'25Q2'25Q3'25Q4
Latest · 2025Q4
-$641M
Lifetime buys
$9.39B
Lifetime sells
$11.62B

Quarter activity

What changed in 2025Q2 — net new, added, trimmed, exited.
New positions3 names
  • TSMTAIWAN SEMICONDUCTOR MFG LTD
    +867,209
    $196.4M
  • IOTSAMSARA INC
    +2,990,578
    $119.0M
  • DDOGDATADOG INC
    +881,730
    $118.4M
Added to12 names
  • NVDANVIDIA CORPORATION
    +1,101,683
    $174.1M
  • ARMARM HOLDINGS PLC
    +757,608
    $122.5M
  • CPNGCOUPANG INC
    +3,991,253
    $119.6M
  • MELIMERCADOLIBRE INC
    +43,239
    $113.0M
  • AMZNAMAZON COM INC
    +419,708
    $92.1M
  • ZZILLOW GROUP INC
    +1,064,218
    $74.5M
  • 8QRCONFLUENT INC
    +2,510,896
    $62.6M
  • MSFTMICROSOFT CORP
    +83,041
    $41.3M
  • CARTMAPLEBEAR INC
    +868,640
    $39.3M
  • HOODROBINHOOD MKTS INC
    +359,743
    $33.7M
  • METAMETA PLATFORMS INC
    +41,665
    $30.8M
  • UBERUBER TECHNOLOGIES INC
    +286,802
    $26.8M
Trimmed2 names
  • CRWVCOREWEAVE INC
    −2,350,000
    $383.2M
  • SNOWSNOWFLAKE INC
    −121,754
    $27.2M
Exited7 names
  • QQQINVESCO QQQ TR
    −988,000
    $463.3M
  • G3643JFLUTTER ENTMT PLC
    −568,410
    $125.9M
  • BABAALIBABA GROUP HLDG LTD
    −540,370
    $71.5M
  • ALABASTERA LABS INC
    −981,697
    $58.6M
  • RBRKRUBRIK INC.
    −832,003
    $50.7M
  • SAILSAILPOINT INC
    −250,000
    $4.7M
  • TTANSERVICETITAN INC
    −40,000
    $3.8M

Recent transactions

Last 20 moves
SOLD
Brad Gerstner (Altimeter Capital) exited NTSK
NETSKOPE INC
−325,000
~$22.73 · 2025Q4
2026-02-17
TRIM
Brad Gerstner (Altimeter Capital) trimmed HOOD
ROBINHOOD MKTS INC
−1,303,583
~$113.10 · 2025Q4
2026-02-17
SOLD
Brad Gerstner (Altimeter Capital) exited CART
MAPLEBEAR INC
−3,324,951
~$36.76 · 2025Q4
2026-02-17
ADD
Brad Gerstner (Altimeter Capital) added to MSFT
MICROSOFT CORP
+115,260
~$483.62 · 2025Q4
2026-02-17
ADD
Brad Gerstner (Altimeter Capital) added to NVDA
NVIDIA CORPORATION
+454,875
~$186.50 · 2025Q4
2026-02-17
SOLD
Brad Gerstner (Altimeter Capital) exited PDD
PINDUODUO INC
−1,371,680
~$132.17 · 2025Q4
2026-02-17
TRIM
Brad Gerstner (Altimeter Capital) trimmed META
META PLATFORMS INC
−20,570
~$660.09 · 2025Q4
2026-02-17
SOLD
Brad Gerstner (Altimeter Capital) exited GEMI
GEMINI SPACE STA INC
−1,600,000
~$23.96 · 2025Q4
2026-02-17
ADD
Brad Gerstner (Altimeter Capital) added to MELI
MERCADOLIBRE INC
+30,639
~$2014.26 · 2025Q4
2026-02-17
NEW
Brad Gerstner (Altimeter Capital) opened a new position in BE
BLOOM ENERGY CORP
+260,730
~$86.89 · 2025Q4
2026-02-17
TRIM
Brad Gerstner (Altimeter Capital) trimmed 8QR
CONFLUENT INC
−4,348,543
~$30.24 · 2025Q4
2026-02-17
ADD
Brad Gerstner (Altimeter Capital) added to CPNG
COUPANG INC
+5,652,210
~$23.59 · 2025Q4
2026-02-17
ADD
Brad Gerstner (Altimeter Capital) added to AMZN
AMAZON COM INC
+48,186
~$230.82 · 2025Q4
2026-02-17
SOLD
Brad Gerstner (Altimeter Capital) exited PTRN
PATTERN GROUP INC
−721,430
~$13.70 · 2025Q4
2026-02-17
TRIM
Brad Gerstner (Altimeter Capital) trimmed AVGO
BROADCOM INC
−712,647
~$346.10 · 2025Q4
2026-02-17
NEW
Brad Gerstner (Altimeter Capital) opened a new position in CRWV
COREWEAVE INC
+3,213,230
~$71.61 · 2025Q4
2026-02-17
SOLD
Brad Gerstner (Altimeter Capital) exited BABA
ALIBABA GROUP HLDG LTD
−969,100
~$178.73 · 2025Q4
2026-02-17
ADD
Brad Gerstner (Altimeter Capital) added to GOOGL
ALPHABET INC
+206,158
~$313.00 · 2025Q4
2026-02-17
SOLD
Brad Gerstner (Altimeter Capital) exited ARM
ARM HOLDINGS PLC
−1,098,139
~$141.49 · 2025Q4
2026-02-17
NEW
Brad Gerstner (Altimeter Capital) opened a new position in SHOP
SHOPIFY INC
+570,210
~$160.97 · 2025Q4
2026-02-17