Light Street Capital Management, LLC
Light Street Capital Management, LLC reported 27 US-listed holdings worth $850.7 million in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Taiwan Semiconductor Manufacturing Company Limited (12.7%), Advanced Micro Devices Inc. (7.5%) and Astera Labs Inc. (7.1%). Against the quarter before, it opened 8 positions, added to 11, trimmed 7 and sold out of 4.
The 14 largest of its 27 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +99.6% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 8
- Astera Labs Inc. ALAB$60.7 million
- Toast, Inc. TOST$32.5 million
- Reddit, Inc. RDDT$31.7 million
- MercadoLibre, Inc. MELI$21.6 million
- Snowflake Inc. SNOW$17.8 million
- Mongodb Inc. MDB$16.8 million
- Roundhill ETF Trust DRAM$8.9 million
- Quantinuum Inc. QNT$2.9 million
Added to 11
- Gitlab Inc. GTLB+775,000 shares · +66%
- Coupang Inc. Class A CPNG+973,043 shares · +92%
- Amkor Technology, Inc. AMKR+189,793 shares · +47%
- Bloom Energy Corp. BE+33,542 shares · +66%
- Cellebrite Di Ltd CLBT+671,830 shares · +105%
- Chime Finl Inc CHYM+121,474 shares · +6%
- Broadcom Inc. AVGO+3,450 shares · +2%
- Alphabet Inc. GOOGL+150 shares · +0%
and 3 more in the table below
Trimmed 7
- Advanced Micro Devices Inc. AMD-109,751 shares · -50%
- NVIDIA Corp. NVDA-135,494 shares · -50%
- Amazon.com Inc. AMZN-73,800 shares · -59%
- MKS Inc. MKSI-18,464 shares · -15%
- Jfrog Ltd FROG-60,500 shares · -11%
- Taiwan Semiconductor Manufacturing Company Limited TSM-1,636 shares · -1%
- NXP Semiconductors N.V. NXPI-2,497 shares · -10%
Sold out of 4
- Bill Holdings, Inc. BILL$23.9 million last quarter
- Samsara Inc. IOT$12.2 million last quarter
- Lumentum Holdings Inc. LITE$2.0 million last quarter
- Amplitude Inc. AMPL$2.0 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Taiwan Semiconductor Manufacturing Company Limited TSM | 225.9K | $107.9 million | 12.68% | -1.6K |
| Advanced Micro Devices Inc. AMD | 109.5K | $63.6 million | 7.48% | -109.8K |
| Astera Labs Inc. ALAB | 125.8K | $60.7 million | 7.14% | new |
| Gitlab Inc. GTLB | 1.9M | $59.4 million | 6.98% | +775.0K |
| Broadcom Inc. AVGO | 153.2K | $57.9 million | 6.81% | +3.5K |
| Amkor Technology, Inc. AMKR | 596.8K | $51.5 million | 6.05% | +189.8K |
| Jfrog Ltd FROG | 514.5K | $46.8 million | 5.50% | -60.5K |
| MKS Inc. MKSI | 103.8K | $46.2 million | 5.43% | -18.5K |
| Chime Finl Inc CHYM | 2.2M | $45.0 million | 5.29% | +121.5K |
| Coupang Inc. Class A CPNG | 2.0M | $35.2 million | 4.13% | +973.0K |
| Toast, Inc. TOST | 1.2M | $32.5 million | 3.82% | new |
| Reddit, Inc. RDDT | 182.5K | $31.7 million | 3.72% | new |
| NVIDIA Corp. NVDA | 136.7K | $27.4 million | 3.22% | -135.5K |
| Bloom Energy Corp. BE | 84.2K | $25.5 million | 2.99% | +33.5K |
| ASML Holding N.V. ASML | 11.0K | $21.8 million | 2.56% | +11 |
| MercadoLibre, Inc. MELI | 12.8K | $21.6 million | 2.54% | new |
| Cellebrite Di Ltd CLBT | 1.3M | $19.2 million | 2.25% | +671.8K |
| Snowflake Inc. SNOW | 70.0K | $17.8 million | 2.09% | new |
| Mongodb Inc. MDB | 50.0K | $16.8 million | 1.97% | new |
| Alphabet Inc. GOOGL | 42.6K | $15.2 million | 1.79% | +150 |
| Amazon.com Inc. AMZN | 51.0K | $12.2 million | 1.43% | -73.8K |
| Datadog, Inc. DDOG | 40.0K | $10.4 million | 1.22% | no change |
| Roundhill ETF Trust DRAM | 120.0K | $8.9 million | 1.04% | new |
| NXP Semiconductors N.V. NXPI | 23.0K | $6.5 million | 0.76% | -2.5K |
| Analog Devices Inc. ADI | 10.5K | $4.2 million | 0.49% | +23 |
| Quantinuum Inc. QNT | 35.2K | $2.9 million | 0.34% | new |
| GDS Hldgs Ltd GDS | 71.8K | $2.2 million | 0.25% | +148 |
Read more
Change is shares against its 13F for the quarter before; the 4 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| Taiwan Semiconductor Manufacturing Company Limited TSM | Puts | 109.2K | $52.2 million |
1 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.