undamentalytics Newsletter
Sign in

Hedge fund

Light Street Capital Management, LLC

13F for the quarter to June 30, 2026, filed August 14, 2026 · SEC CIK 1569049

Reported value
$850.7m
99% in companies we cover
Positions we cover
26
Largest TSM 12.7%
Copy, a year
+21.3%
S&P 500 +14.1%
Copy Sharpe ratio
0.74
S&P 500 0.78

How copying its 13F would have done

$10.0k$20.0k$40.0k$80.0k$160k 2013201520172019202120232025 $128k$57.0k
CopyS&P 500 $10,000 copying Light Street Capital Management, LLC's filed holdings in companies we cover from August 16, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −68.3% (S&P 500 −31.8%); beta 1.38; alpha +4.3% a year (t = 0.83); last 12 months +9.9% against +12.1%.

Reported value by quarter

Light Street Capital Management, LLC: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $100B $200B $300B Reported value, 2013-06-30: $223.9M Reported value, 2013-09-30: $305.2M Reported value, 2013-12-31: $469.3M Reported value, 2014-03-31: $546.4M Reported value, 2014-06-30: $723.2M Reported value, 2014-09-30: $706.7M Reported value, 2014-12-31: $557.2M Reported value, 2015-03-31: $589M Reported value, 2015-06-30: $619.8M Reported value, 2015-09-30: $550.4M Reported value, 2015-12-31: $634.2M Reported value, 2016-03-31: $575.1M Reported value, 2016-06-30: $539.1M Reported value, 2016-09-30: $681.7M Reported value, 2016-12-31: $731.9M Reported value, 2017-03-31: $1.2B Reported value, 2017-06-30: $912.4M Reported value, 2017-09-30: $995.2M Reported value, 2017-12-31: $728.6M Reported value, 2018-03-31: $1.1B Reported value, 2018-06-30: $1.2B Reported value, 2018-09-30: $1.2B Reported value, 2018-12-31: $1.1B Reported value, 2019-03-31: $1.2B Reported value, 2019-06-30: $1.9B Reported value, 2019-09-30: $1.4B Reported value, 2019-12-31: $1.7B Reported value, 2020-03-31: $1.9B Reported value, 2020-06-30: $2B Reported value, 2020-09-30: $2.8B Reported value, 2020-12-31: $3.4B Reported value, 2021-03-31: $1.9B Reported value, 2021-06-30: $2.3B Reported value, 2021-09-30: $2B Reported value, 2021-12-31: $1.7B Reported value, 2022-03-31: $1.3B Reported value, 2022-06-30: $686M Reported value, 2022-09-30: $393.2M Reported value, 2022-12-31: $268.2B Reported value, 2023-03-31: $410M Reported value, 2023-06-30: $377.3M Reported value, 2023-09-30: $339.8M Reported value, 2023-12-31: $333.9M Reported value, 2024-03-31: $399.3M Reported value, 2024-06-30: $416.7M Reported value, 2024-09-30: $404.1M Reported value, 2024-12-31: $485.8M Reported value, 2025-03-31: $308.7M Reported value, 2025-06-30: $489.5M Reported value, 2025-09-30: $594.5M Reported value, 2025-12-31: $649.8M Reported value, 2026-03-31: $497.3M Reported value, 2026-06-30: $850.7M 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $850.7M
View chart data
Period Reported value
2013-06-30 $223.9M
2013-09-30 $305.2M
2013-12-31 $469.3M
2014-03-31 $546.4M
2014-06-30 $723.2M
2014-09-30 $706.7M
2014-12-31 $557.2M
2015-03-31 $589M
2015-06-30 $619.8M
2015-09-30 $550.4M
2015-12-31 $634.2M
2016-03-31 $575.1M
2016-06-30 $539.1M
2016-09-30 $681.7M
2016-12-31 $731.9M
2017-03-31 $1.2B
2017-06-30 $912.4M
2017-09-30 $995.2M
2017-12-31 $728.6M
2018-03-31 $1.1B
2018-06-30 $1.2B
2018-09-30 $1.2B
2018-12-31 $1.1B
2019-03-31 $1.2B
2019-06-30 $1.9B
2019-09-30 $1.4B
2019-12-31 $1.7B
2020-03-31 $1.9B
2020-06-30 $2B
2020-09-30 $2.8B
2020-12-31 $3.4B
2021-03-31 $1.9B
2021-06-30 $2.3B
2021-09-30 $2B
2021-12-31 $1.7B
2022-03-31 $1.3B
2022-06-30 $686M
2022-09-30 $393.2M
2022-12-31 $268.2B
2023-03-31 $410M
2023-06-30 $377.3M
2023-09-30 $339.8M
2023-12-31 $333.9M
2024-03-31 $399.3M
2024-06-30 $416.7M
2024-09-30 $404.1M
2024-12-31 $485.8M
2025-03-31 $308.7M
2025-06-30 $489.5M
2025-09-30 $594.5M
2025-12-31 $649.8M
2026-03-31 $497.3M
2026-06-30 $850.7M

Holdings and moves

CompanyShare of portfolioValueSharesChange in shares
TSMTaiwan Semiconductor Manufacturing Co LTD12.69%$107.9m225.9K−0.7% Reduced
AMDAdvanced Micro Devices7.48%$63.6m109.5K−50.1% Reduced
ALABAstera Labs, Inc.7.14%$60.7m125.8KNew
GTLBGitlab Inc.6.98%$59.4m1.95M+66.2% Added
AVGOBroadcom6.80%$57.9m153.3K+2.3% Added
AMKRAmkor Technology, Inc.6.05%$51.5m596.8K+46.6% Added
FROGJfrog Ltd5.50%$46.8m514.5K−10.5% Reduced
MKSIMKS Inc5.43%$46.2m103.8K−15.1% Reduced
CHYMChime Financial, Inc.5.29%$45.0m2.20M+5.8% Added
CPNGCoupang, Inc.4.13%$35.2m2.02M+92.5% Added
TOSTToast, Inc.3.82%$32.5m1.17MNew
RDDTReddit, Inc.3.72%$31.7m182.5KNew
NVDANVIDIA Corporation3.22%$27.4m136.7K−49.8% Reduced
BEBloom Energy3.00%$25.5m84.2K+66.3% Added
ASMLAsml Holding NV2.56%$21.8m11.0K+0.1%
MELIMercadolibre Inc2.54%$21.6m12.8KNew
CLBTCellebrite DI Ltd.2.25%$19.2m1.31M+104.8% Added
SNOWSnowflake Inc.2.09%$17.8m70.0KNew
MDBMongodb, Inc.1.97%$16.8m50.0KNew
GOOGLAlphabet Inc. (Class A)1.79%$15.2m42.6K+0.4%
AMZNAmazon1.43%$12.2m51.0K−59.1% Reduced
DDOGDatadog, Inc.1.22%$10.4m40.0K0.0%
NXPINXP Semiconductors0.76%$6.5m23.0K−9.8% Reduced
ADIAnalog Devices0.49%$4.2m10.5K+0.2%
QNTQuantinuum Inc.0.34%$2.9m35.2KNew
GDSGDS Holdings Ltd0.25%$2.2m71.8K+0.2%
CompanyBought (value)Shares
ALABAstera Labs, Inc.$60.7m125.8K
TOSTToast, Inc.$32.5m1.17M
RDDTReddit, Inc.$31.7m182.5K
GTLBGitlab Inc.$23.7m775.0K
MELIMercadolibre Inc$21.6m12.8K
SNOWSnowflake Inc.$17.8m70.0K
CPNGCoupang, Inc.$16.9m973.0K
MDBMongodb, Inc.$16.8m50.0K
AMKRAmkor Technology, Inc.$16.4m189.8K
BEBloom Energy$10.2m33.5K
CLBTCellebrite DI Ltd.$9.8m671.8K
QNTQuantinuum Inc.$2.9m35.2K
CHYMChime Financial, Inc.$2.5m121.5K
AVGOBroadcom$1.3m3.5K
GOOGLAlphabet Inc. (Class A)$53,606150

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
AMDAdvanced Micro Devices−$63.8m−109.8K
NVDANVIDIA Corporation−$27.1m−135.5K
BILLBILL Holdings, Inc.−$23.9m−625.0K
AMZNAmazon−$17.6m−73.8K
IOTSamsara Inc.−$12.2m−384.0K
MKSIMKS Inc−$8.2m−18.5K
FROGJfrog Ltd−$5.5m−60.5K
LITELumentum−$2.0m−2.9K
AMPLAmplitude, Inc.−$2.0m−292.8K
TSMTaiwan Semiconductor Manufacturing Co LTD−$781,305−1.6K
NXPINXP Semiconductors−$701,732−2.5K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
BILLBILL Holdings, Inc.$23.9m625.0K
IOTSamsara Inc.$12.2m384.0K
LITELumentum$2.0m2.9K
AMPLAmplitude, Inc.$2.0m292.8K
  • Technology77.9%
  • Communication Services5.6%
  • Consumer Discretionary5.6%
  • Industrials5.6%
  • Financials5.3%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestAugust 16, 2013 to November 2, 2026+21.3%+14.1%0.740.78−68.3%1.38
2018 onwardsJanuary 5, 2018 to November 2, 2026+16.0%+13.9%0.530.66−68.3%1.38
Last three yearsNovember 3, 2023 to November 2, 2026+39.1%+21.8%1.151.16−34.0%1.78
Last yearNovember 7, 2025 to November 2, 2026+14.5%+14.2%0.490.84−16.7%1.83

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.