What Altimeter Capital Management LP changed, 2013 to 2026
53 quarterly 13F filings, from Q2 2013 to Q2 2026, each read from the filing itself. A quarter is compared only with the quarter before it, so a quarter with no filing is a gap in the record, not a sale.
Reported book
$9.8bn
$560m at Q2 2013
Positions
20
30 at Q2 2013
Top ten weight
83%
94% at Q2 2013
Typical quarterly turnover
about 5%
Estimated from share changes
- Q2 2013: $560m
- Q3 2013: $757m
- Q4 2013: $836m
- Q1 2014: $979m
- Q2 2014: $1.0bn
- Q3 2014: $1.1bn
- Q4 2014: $1.4bn
- Q1 2015: $1.4bn
- Q2 2015: $1.4bn
- Q3 2015: $1.6bn
- Q4 2015: $1.8bn
- Q1 2016: $1.5bn
- Q2 2016: $1.3bn
- Q3 2016: $1.5bn
- Q4 2016: $1.9bn
- Q1 2017: $2.1bn
- Q2 2017: $2.4bn
- Q3 2017: $2.1bn
- Q4 2017: $1.9bn
- Q1 2018: $2.0bn
- Q2 2018: $2.1bn
- Q3 2018: $2.6bn
- Q4 2018: $2.7bn
- Q1 2019: $2.9bn
- Q2 2019: $3.7bn
- Q3 2019: $4.1bn
- Q4 2019: $4.5bn
- Q1 2020: $3.3bn
- Q2 2020: $4.7bn
- Q3 2020: $5.9bn
- Q4 2020: $10.8bn
- Q1 2021: $14.0bn
- Q2 2021: $12.8bn
- Q3 2021: $12.5bn
- Q4 2021: $10.5bn
- Q1 2022: $6.9bn
- Q2 2022: $4.4bn
- Q3 2022: $4.7bn
- Q4 2022: $3.7bn
- Q1 2023: $4.6bn
- Q2 2023: $5.5bn
- Q3 2023: $5.3bn
- Q4 2023: $6.0bn
- Q1 2024: $6.5bn
- Q2 2024: $6.7bn
- Q3 2024: $6.8bn
- Q4 2024: $5.5bn
- Q1 2025: $5.0bn
- Q2 2025: $6.9bn
- Q3 2025: $7.6bn
- Q4 2025: $6.7bn
- Q1 2026: $5.7bn
- Q2 2026: $9.8bn
- Q2 2013: 94%
- Q3 2013: 92%
- Q4 2013: 83%
- Q1 2014: 80%
- Q2 2014: 79%
- Q3 2014: 83%
- Q4 2014: 82%
- Q1 2015: 82%
- Q2 2015: 82%
- Q3 2015: 90%
- Q4 2015: 89%
- Q1 2016: 97%
- Q2 2016: 98%
- Q3 2016: 99%
- Q4 2016: 95%
- Q1 2017: 94%
- Q2 2017: 94%
- Q3 2017: 96%
- Q4 2017: 97%
- Q1 2018: 94%
- Q2 2018: 95%
- Q3 2018: 94%
- Q4 2018: 94%
- Q1 2019: 95%
- Q2 2019: 94%
- Q3 2019: 95%
- Q4 2019: 96%
- Q1 2020: 96%
- Q2 2020: 91%
- Q3 2020: 86%
- Q4 2020: 87%
- Q1 2021: 88%
- Q2 2021: 87%
- Q3 2021: 88%
- Q4 2021: 91%
- Q1 2022: 95%
- Q2 2022: 98%
- Q3 2022: 98%
- Q4 2022: 100%
- Q1 2023: 100%
- Q2 2023: 100%
- Q3 2023: 100%
- Q4 2023: 100%
- Q1 2024: 97%
- Q2 2024: 93%
- Q3 2024: 87%
- Q4 2024: 83%
- Q1 2025: 87%
- Q2 2025: 86%
- Q3 2025: 82%
- Q4 2025: 89%
- Q1 2026: 99%
- Q2 2026: 83%
The positions that defined it
Every position that was ever among the 25 largest: when it first appeared, when it was largest, and where it stands in Q2 2026. The line is its reported value each quarter.
| Position | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Nvidia Corp(NVDA) | Q4 2018 | $1.9bnQ2 2026 | $1.9bn | |
| Cerebras Systems Inc(CBRS)Common Class A | Q2 2026 | $1.6bnQ2 2026 | $1.6bn | |
| Facebook Inc(META)Class A | Q3 2018 | $1.4bnQ2 2025 | $763m | |
| Taiwan Semiconductor MFG LTD(TSM)Sponsored ADS | Q3 2024 | $683mQ2 2026 | $683m | |
| Coreweave Inc(CRWV)Common Class A | Q1 2025 | $605mQ2 2026 | $605m | |
| Arm Holdings PLC(ARM)Sponsored ADS | Q1 2025 | $582mQ2 2026 | $582m | |
| Amazon.com Inc(AMZN) | Q4 2017 | $578mQ2 2026 | $578m | |
| Uber Technologies Inc(UBER) | Q2 2019 | $1.5bnQ1 2021 | $532m | |
| Snowflake Inc(SNOW) | Q3 2025 | $548mQ3 2025 | $490m | |
| Microsoft Corp(MSFT) | Q1 2018 | $727mQ2 2024 | $473m | |
| Qualcomm Inc(QCOM) | Q2 2026 | $348mQ2 2026 | $348m | |
| Space Exploration Techn Corp(SPCX)Class A Common Stock | Q2 2026 | $304mQ2 2026 | $304m | |
| Snowflake Inc(SNOW)Class A | Q3 2020 | $7.4bnQ1 2021 | Soldlast listed Q2 2025 | |
| Pinduoduo Inc(PDD)Sponsored ADS | Q3 2018 | $1.5bnQ4 2020 | Soldlast listed Q3 2025 | |
| United Contl HLDGS Inc(UAL) | Q4 2017 | $1.0bnQ3 2019 | Soldlast listed Q1 2022 | |
| United Contl HLDGS Inc(UAL) | Q2 2013 | $776mQ2 2017 | Soldlast listed Q3 2017 | |
| Salesforce.com Inc(CRM) | Q4 2017 | $746mQ3 2020 | Soldlast listed Q4 2024 | |
| Expedia Inc Del(EXPE) | Q4 2013 | $670mQ2 2017 | Soldlast listed Q3 2017 | |
| Peloton Interactive Inc(PTON)Class A Common | Q3 2019 | $645mQ2 2021 | Soldlast listed Q3 2021 | |
| Unity Software Inc(U) | Q3 2020 | $583mQ4 2020 | Soldlast listed Q4 2021 |
Quarter by quarter
Q2 2016: $1.3bn across 14 positions
Against Q1 2016: 6 new, 2 added to, 0 trimmed, 3 sold out, across all 14 positions.
Turnover about 2% of the book, estimated from share changes at quarter-end prices.
Largest additions
- Expedia Inc Del (EXPE)+$70m
- Priceline Com Inc+$11k
Largest reductions
No position was cut this quarter.
Opened
- Tableau Software Inc$71m
- Pure Storage Inc (P)$42m
- Zillow Group Inc (Z)$40m
- Zillow Group Inc (ZG)$29m
- Expedia Inc Del (EXPE)$895k
- United Contl HLDGS Inc (UAL)$23k
Sold out
- Amazon.com Inc (AMZN)was $12m
- Hubspot Inc (HUBS)was $9.8m
- Elong Incwas $7.8m
Largest positions, Q2 2016
| Position | Value | Weight | On the quarter |
|---|---|---|---|
| Expedia Inc Del (EXPE) | $478m | 35.6% | Added |
| United Contl HLDGS Inc (UAL) | $472m | 35.2% | Held |
| Tableau Software Inc | $71m | 5.3% | New |
| Ctrip Com International LTD | $53m | 3.9% | Held |
| Alaska Air Group Inc (ALK) | $53m | 3.9% | Held |
| Priceline Com Inc | $51m | 3.8% | Added |
| Pure Storage Inc (P) | $42m | 3.1% | New |
| Zillow Group Inc (Z) | $40m | 3.0% | New |
| Zillow Group Inc (ZG) | $29m | 2.2% | New |
| Delta Air Lines Inc Del (DAL) | $28m | 2.1% | Held |
| American Airls Group Inc (AAL) | $24m | 1.8% | Held |
| Expedia Inc Del (EXPE) | $895k | 0.1% | New |
| Allegiant Travel Co (ALGT) | $780k | 0.1% | Held |
| United Contl HLDGS Inc (UAL) | $23k | 0.0% | New |
The books most like this one
Among the managers whose filings are on file, at Q2 2026. Overlap is the share of the two books that is the same: for every stock both list, the smaller of its two weights, added up. Two books can overlap because both own the largest companies; it says nothing about whether the managers agree.
| Manager | Overlap | Stocks in both | Overlap over time | |
|---|---|---|---|---|
| Tiger Global Management LLC | 40% | 11 | Compare | |
| Coatue Management LLC | 34% | 13 | Compare | |
| Appaloosa LP | 34% | 10 | Compare | |
| Fidelity (FMR LLC) | at least 26% | 18 | Compare | |
| Capital Research Global Investors | 24% | 16 | Compare | |
| Pershing Square Capital Management LP | 24% | 4 | Compare | |
| Polen Capital Management LLC | 23% | 10 | Compare | |
| Janus Henderson Group Ltd | at least 22% | 18 | Compare |
“At least” where either manager has more positions than are read each quarter: a stock both hold below that range is not counted.
The filings behind it
Every quarter above is one 13F holdings report, with any amendment the filer made to it applied in the order it was filed. Where the reporting entity changed, each quarter keeps the filer that actually reported it.
| Quarter | Filer | Book | Amended | Filing |
|---|---|---|---|---|
| Q2 2026 | Altimeter Capital Management LP | $9.8bn | 13F-HR | |
| Q1 2026 | Altimeter Capital Management LP | $5.7bn | 13F-HR | |
| Q4 2025 | Altimeter Capital Management LP | $6.7bn | 13F-HR | |
| Q3 2025 | Altimeter Capital Management LP | $7.6bn | 13F-HR | |
| Q2 2025 | Altimeter Capital Management LP | $6.9bn | 13F-HR | |
| Q1 2025 | Altimeter Capital Management LP | $5.0bn | 13F-HR | |
| Q4 2024 | Altimeter Capital Management LP | $5.5bn | 13F-HR | |
| Q3 2024 | Altimeter Capital Management LP | $6.8bn | 13F-HR | |
| Q2 2024 | Altimeter Capital Management LP | $6.7bn | 13F-HR | |
| Q1 2024 | Altimeter Capital Management LP | $6.5bn | 13F-HR | |
| Q4 2023 | Altimeter Capital Management LP | $6.0bn | 13F-HR | |
| Q3 2023 | Altimeter Capital Management LP | $5.3bn | 13F-HR | |
| Q2 2023 | Altimeter Capital Management LP | $5.5bn | 13F-HR | |
| Q1 2023 | Altimeter Capital Management LP | $4.6bn | 13F-HR | |
| Q4 2022 | Altimeter Capital Management LP | $3.7bn | 13F-HR | |
| Q3 2022 | Altimeter Capital Management LP | $4.7bn | 13F-HR | |
| Q2 2022 | Altimeter Capital Management LP | $4.4bn | 13F-HR | |
| Q1 2022 | Altimeter Capital Management LP | $6.9bn | 13F-HR | |
| Q4 2021 | Altimeter Capital Management LP | $10.5bn | 13F-HR | |
| Q3 2021 | Altimeter Capital Management LP | $12.5bn | 13F-HR | |
| Q2 2021 | Altimeter Capital Management LP | $12.8bn | 13F-HR | |
| Q1 2021 | Altimeter Capital Management LP | $14.0bn | 13F-HR | |
| Q4 2020 | Altimeter Capital Management LP | $10.8bn | 13F-HR | |
| Q3 2020 | Altimeter Capital Management LP | $5.9bn | 13F-HR | |
| Q2 2020 | Altimeter Capital Management LP | $4.7bn | 13F-HR | |
| Q1 2020 | Altimeter Capital Management LP | $3.3bn | 13F-HR | |
| Q4 2019 | Altimeter Capital Management LP | $4.5bn | 13F-HR | |
| Q3 2019 | Altimeter Capital Management LP | $4.1bn | 13F-HR | |
| Q2 2019 | Altimeter Capital Management LP | $3.7bn | 13F-HR | |
| Q1 2019 | Altimeter Capital Management LP | $2.9bn | 13F-HR | |
| Q4 2018 | Altimeter Capital Management LP | $2.7bn | 13F-HR | |
| Q3 2018 | Altimeter Capital Management LP | $2.6bn | 13F-HR | |
| Q2 2018 | Altimeter Capital Management LP | $2.1bn | 13F-HR | |
| Q1 2018 | Altimeter Capital Management LP | $2.0bn | 13F-HR | |
| Q4 2017 | Altimeter Capital Management LP | $1.9bn | 13F-HR | |
| Q3 2017 | Altimeter Capital Management LP | $2.1bn | 13F-HR | |
| Q2 2017 | Altimeter Capital Management LP | $2.4bn | 13F-HR | |
| Q1 2017 | Altimeter Capital Management LP | $2.1bn | 13F-HR | |
| Q4 2016 | Altimeter Capital Management LP | $1.9bn | 13F-HR | |
| Q3 2016 | Altimeter Capital Management LP | $1.5bn | 13F-HR | |
| Q2 2016 | Altimeter Capital Management LP | $1.3bn | 13F-HR | |
| Q1 2016 | Altimeter Capital Management LP | $1.5bn | 13F-HR | |
| Q4 2015 | Altimeter Capital Management LP | $1.8bn | 13F-HR | |
| Q3 2015 | Altimeter Capital Management LP | $1.6bn | 13F-HR | |
| Q2 2015 | Altimeter Capital Management LP | $1.4bn | 13F-HR | |
| Q1 2015 | Altimeter Capital Management LP | $1.4bn | 13F-HR | |
| Q4 2014 | Altimeter Capital Management LP | $1.4bn | 13F-HR | |
| Q3 2014 | Altimeter Capital Management LP | $1.1bn | 13F-HR | |
| Q2 2014 | Altimeter Capital Management LP | $1.0bn | 13F-HR | |
| Q1 2014 | Altimeter Capital Management LP | $979m | 13F-HR | |
| Q4 2013 | Altimeter Capital Management LP | $836m | 13F-HR | |
| Q3 2013 | Altimeter Capital Management LP | $757m | 13F-HR | |
| Q2 2013 | Altimeter Capital Management LP | $560m | 13F-HR |
Reading this record
A 13F lists US-listed long equity and options at the quarter end, filed up to 45 days later. It shows what was held, not when it was bought or at what price, and nothing short. Where a quarter lists only the largest positions, a name missing from it may still be held below that range; the counts of what was opened and sold always cover the whole filing.
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