Hedge Fund · CIK 0001541617

Brad Gerstner

Altimeter Capital
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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.

Portfolio
$6.66B
Positions
18
Quarter
2025Q4
Filings tracked
40
1Y+35.9%3Y+193.6%5Y+49.4%Full performance →
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 2025Q3 — net new, added, trimmed, exited.
New positions8 names
  • AVGOBROADCOM INC
    +744,776
    $245.7M
  • PDDPINDUODUO INC
    +1,371,680
    $181.3M
  • BABAALIBABA GROUP HLDG LTD
    +969,100
    $173.2M
  • SNPSSYNOPSYS INC
    +258,280
    $127.4M
  • GOOGLALPHABET INC
    +313,132
    $76.1M
  • GEMIGEMINI SPACE STA INC
    +1,600,000
    $38.3M
  • PTRNPATTERN GROUP INC
    +721,430
    $9.9M
  • NTSKNETSKOPE INC
    +325,000
    $7.4M
Added to4 names
  • AMZNAMAZON COM INC
    +702,611
    $154.3M
  • TSMTAIWAN SEMICONDUCTOR MFG LTD
    +201,468
    $56.3M
  • MSFTMICROSOFT CORP
    +103,971
    $53.9M
  • ARMARM HOLDINGS PLC
    +164,931
    $23.3M
Trimmed10 names
  • NVDANVIDIA CORPORATION
    607,262
    $113.3M
  • HOODROBINHOOD MKTS INC
    648,582
    $92.9M
  • SNOWSNOWFLAKE INC
    397,246
    $89.6M
  • 8QRCONFLUENT INC
    4,271,183
    $84.6M
  • CPNGCOUPANG INC
    1,408,114
    $45.3M
  • UBERUBER TECHNOLOGIES INC
    364,312
    $35.7M
  • CARTMAPLEBEAR INC
    891,817
    $32.8M
  • MELIMERCADOLIBRE INC
    8,698
    $20.3M
  • ZZILLOW GROUP INC
    200,351
    $15.4M
  • METAMETA PLATFORMS INC
    11,363
    $8.3M
Exited3 names
  • IOTSAMSARA INC
    2,990,578
    $119.0M
  • DDOGDATADOG INC
    881,730
    $118.4M
  • CRWVCOREWEAVE INC
    649,536
    $105.9M

Recent transactions

Last 20 moves
SOLD
325,000
~$22.73 · 2025Q4
2026-02-17
TRIM
ROBINHOOD MKTS INC
1,303,583
~$113.10 · 2025Q4
2026-02-17
SOLD
3,324,951
~$36.76 · 2025Q4
2026-02-17
ADD
+115,260
~$483.62 · 2025Q4
2026-02-17
ADD
NVIDIA CORPORATION
+454,875
~$186.50 · 2025Q4
2026-02-17
SOLD
1,371,680
~$132.17 · 2025Q4
2026-02-17
TRIM
META PLATFORMS INC
20,570
~$660.09 · 2025Q4
2026-02-17
SOLD
GEMINI SPACE STA INC
1,600,000
~$23.96 · 2025Q4
2026-02-17
ADD
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
4,348,543
~$30.24 · 2025Q4
2026-02-17
ADD
+5,652,210
~$23.59 · 2025Q4
2026-02-17
ADD
+48,186
~$230.82 · 2025Q4
2026-02-17
SOLD
PATTERN GROUP INC
721,430
~$13.70 · 2025Q4
2026-02-17
TRIM
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
ALIBABA GROUP HLDG LTD
969,100
~$178.73 · 2025Q4
2026-02-17
ADD
+206,158
~$313.00 · 2025Q4
2026-02-17
SOLD
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