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Light Street Capital Management

Light Street Capital

CIK 0001569049 ↗ ⓘCIK: The SEC's ID number for a filer (Central Index Key). Every manager, company and fund has one; it is the surest way to find all of someone's filings on EDGAR, even when names change or are spelled differently. Guide View this SEC filing ↗ All SEC filings ↗ Filed Aug 14, 2026
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In plain English: this page lists every stock Light Street Capital's fund told the SEC it owned at the end of the quarter, biggest first, and what changed since the quarter before — "New" means they bought it for the first time, "Sold" means they sold all of it. The list is at least 6 weeks old, and it is only part of their investments (no cash, bonds or bets against stocks).

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Biggest moves · Q2 2026 -$63.76M AMD+$60.74M ALAB (new)+$32.48M TOST (new)+$31.68M RDDT (new)
Reported value ⓘTotal of long stock positions in this 13F. Options are listed separately and not included.
$850.69M
Q2 2026
Quarter change
+71.1%
vs Q1 2026 ($497.32M)
Holdings
27
Top-10 weight 67.5%
Activity
8 new · 4 sold out
11 added to · 7 trimmed

Investing style at a glance · Q2 2026

Worked out from this 13F only (long stock positions). ⓘConcentration: The share of a portfolio in its 10 largest positions. High = a few big bets; low = spread out. Guide ⓘTurnover: How many positions were opened or closed this quarter compared with the number held. Guide

Portfolio value over time

Reported 13F value per quarter

Chart: Portfolio value over time

Sector allocation

Q2 2026

Chart: Sector allocation

Top holdings over time

Share of the portfolio each quarter (current top 5)

Chart: Top holdings over time

Quarter-by-quarter activity

Positions bought (new or added) vs sold (trimmed or exited)

Chart: Quarter-by-quarter activity

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Holdings

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Ticker Company Sector Shares Value ↓ % of portfolio Change Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
TSM Taiwan Semiconductor Manufacturing Co Ltd Information Technology 225.95K $107.91M 12.7% Reduced -1.6K -0.7% -$781.30K
AMD Advanced Micro Devices Inc Information Technology 109.50K $63.61M 7.5% Reduced -109.8K -50.1% -$63.76M
ALAB Astera Labs, Inc Information Technology 125.75K $60.74M 7.1% New +125.8K — +$60.74M
GTLB Gitlab Inc (Class A) Information Technology 1.95M $59.38M 7.0% Added +775.0K +66.2% +$23.66M
AVGO Broadcom Inc Information Technology 153.25K $57.89M 6.8% Added +3.5K +2.3% +$1.30M
AMKR Amkor Technology, Inc Information Technology 596.78K $51.46M 6.0% Added +189.8K +46.6% +$16.37M
FROG JFrog Ltd Information Technology 514.50K $46.76M 5.5% Reduced -60.5K -10.5% -$5.50M
MKSI MKS Inc Information Technology 103.80K $46.17M 5.4% Reduced -18.5K -15.1% -$8.21M
CHYM Chime Financial, Inc (Class A) Financials 2.20M $45.04M 5.3% Added +121.5K +5.8% +$2.49M
CPNG Coupang, Inc (Class A) Consumer Discretionary 2.02M $35.17M 4.1% Added +973.0K +92.5% +$16.90M
TOST Toast, Inc (Class A) Information Technology 1.17M $32.48M 3.8% New +1.2M — +$32.48M
RDDT Reddit, Inc (Class A) Information Technology 182.50K $31.68M 3.7% New +182.5K — +$31.68M
NVDA Nvidia Corp Information Technology 136.72K $27.36M 3.2% Reduced -135.5K -49.8% -$27.11M
BE Bloom Energy Corp (Class A) Industrials 84.17K $25.48M 3.0% Added +33.5K +66.3% +$10.15M
ASML ASML Holding NV Industrials 10.96K $21.80M 2.6% Added +11 +0.1% +$21.88K
MELI Mercadolibre Inc Industrials 12.75K $21.64M 2.5% New +12.8K — +$21.64M
CLBT Cellebrite DI Ltd Information Technology 1.31M $19.17M 2.3% Added +671.8K +104.8% +$9.81M
SNOW Snowflake Inc Information Technology 70.00K $17.82M 2.1% New +70.0K — +$17.82M
MDB MongoDB, Inc Information Technology 50.00K $16.80M 2.0% New +50.0K — +$16.80M
GOOGL Alphabet Inc (Class A) Communication Services 42.65K $15.24M 1.8% Added +150 +0.4% +$53.61K
AMZN Amazon Com Inc Consumer Discretionary 51.00K $12.16M 1.4% Reduced -73.8K -59.1% -$17.59M
DDOG Datadog, Inc (Class A) Information Technology 40.00K $10.41M 1.2% Held 0 0.0% $0
DRAM Roundhill Memory ETF ETFs & Funds 120.00K $8.86M 1.0% New +120.0K — +$8.86M
NXPI NXP Semiconductors N.V. Information Technology 23.00K $6.46M 0.8% Reduced -2.5K -9.8% -$701.73K
ADI Analog Devices Inc Information Technology 10.52K $4.18M 0.5% Added +23 +0.2% +$9.13K
QNT Quantinuum Inc (Class A) Information Technology 35.24K $2.88M 0.3% New +35.2K — +$2.88M
GDS GDS Holdings Ltd Information Technology 71.79K $2.16M 0.3% Added +148 +0.2% +$4.44K

Sold out this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Ticker Company Sector Shares sold Value last quarter ↓
BILL BILL Holdings, Inc Information Technology -625.0K $23.94M
IOT Samsara Inc (Class A) Information Technology -384.0K $12.17M
LITE Lumentum Holdings Inc Information Technology -2.9K $2.03M
AMPL Amplitude, Inc (Class A) Information Technology -292.8K $2.00M

Options (not included in portfolio totals)

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Underlying Company Type Underlying shares Notional value ↓
TSM Taiwan Semiconductor Manufacturing Co Ltd Put 109.20K $52.15M
13F filings on record (4)
QuarterFormFiledTypeRowsLong value
Q2 202613F-HRAug 14, 2026Original28$850.69MSEC ↗
Q1 202613F-HRMay 15, 2026Original24$497.32MSEC ↗
Q4 202513F-HRFeb 17, 2026Original24$649.79MSEC ↗
Q3 202513F-HRNov 14, 2025Original27$594.48MSEC ↗

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