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 13F filing (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 22.1% over the past year. OpenStocks tracks 40 consecutive 13F filings 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+22.1%5Y+7.1%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
$9.21B
Lifetime sells
$10.84B

Quarter activity

What changed in 2025Q4 — net new, added, trimmed, exited.
New positions3 names
  • CRWVCOREWEAVE INC
    +3,213,230
    $230.1M
  • SHOPSHOPIFY INC
    +570,210
    $91.8M
  • BEBLOOM ENERGY CORP
    +260,730
    $22.7M
Added to7 names
  • CPNGCOUPANG INC
    +5,652,210
    $133.3M
  • NVDANVIDIA CORPORATION
    +454,875
    $84.8M
  • GOOGLALPHABET INC
    +206,158
    $64.5M
  • MELIMERCADOLIBRE INC
    +30,639
    $61.7M
  • MSFTMICROSOFT CORP
    +115,260
    $55.7M
  • TSMTAIWAN SEMICONDUCTOR MFG LTD
    +150,550
    $45.8M
  • AMZNAMAZON COM INC
    +48,186
    $11.1M
Trimmed5 names
  • AVGOBROADCOM INC
    −712,647
    $246.6M
  • HOODROBINHOOD MKTS INC
    −1,303,583
    $147.4M
  • 8QRCONFLUENT INC
    −4,348,543
    $131.5M
  • SNOWSNOWFLAKE INC
    −400,780
    $87.9M
  • METAMETA PLATFORMS INC
    −20,570
    $13.6M
Exited8 names
  • PDDPINDUODUO INC
    −1,371,680
    $181.3M
  • BABAALIBABA GROUP HLDG LTD
    −969,100
    $173.2M
  • ARMARM HOLDINGS PLC
    −1,098,139
    $155.4M
  • SNPSSYNOPSYS INC
    −258,280
    $127.4M
  • CARTMAPLEBEAR INC
    −3,324,951
    $122.2M
  • GEMIGEMINI SPACE STA INC
    −1,600,000
    $38.3M
  • PTRNPATTERN GROUP INC
    −721,430
    $9.9M
  • NTSKNETSKOPE INC
    −325,000
    $7.4M

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