LIGHT STREET CAPITAL MANAGEMENT, LLC 13F: Quarter-over-Quarter Portfolio Changes
LIGHT STREET CAPITAL MANAGEMENT, LLC reported a disclosed portfolio value of approximately $850.7 million in its latest SEC Form 13F-HR filing for Q2 2026, up 71.1% quarter on quarter. Over the quarter, the fund initiated 8 new positions, bought more shares in 11 holdings, trimmed 7 holdings, and exited 4 positions.
LIGHT STREET CAPITAL MANAGEMENT, LLC's top buy was a new stake in Astera Labs INC (ALAB) , equal to 7.1% of the disclosed portfolio. Its top sell was Bill Holdings INC (BILL) . The fund exited the position completely after it had accounted for 4.8% of the previous portfolio.
New PositionsQ2 2026
Securities disclosed for the first time in Q2 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| ASTERA LABS INC | ALAB | 7.1% | History → |
| TOAST INC | TOST | 3.8% | Holders → |
| REDDIT INC | RDDT | 3.7% | Holders → |
| MERCADOLIBRE INC | MELI | 2.5% | Holders → |
| SNOWFLAKE INC | SNOW | 2.1% | Holders → |
| MONGODB INC | MDB | 2.0% | Holders → |
| ROUNDHILL ETF TRUST | DRAM | 1.0% | Holders → |
| QUANTINUUM INC | QNT | 0.3% | Holders → |
Top BuysQ2 2026
Showing the top 10 buys among 11 existing positions where the fund bought more shares in Q2 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| CELLEBRITE DI LTD | CLBT | +0.5% | +104.8% | Holders → |
| COUPANG INC | CPNG | +0.1% | +92.5% | History → |
| BLOOM ENERGY CORP | BE | +1.6% | +66.3% | Holders → |
| GITLAB INC | GTLB | +1.9% | +66.2% | History → |
| AMKOR TECHNOLOGY INC | AMKR | +2.4% | +46.6% | History → |
| CHIME FINL INC | CHYM | +-2.5% | +5.8% | History → |
| BROADCOM INC | AVGO | +-2.5% | +2.3% | History → |
| ALPHABET INC-CL A | GOOGL | +-0.7% | +0.4% | Holders → |
| ANALOG DEVICES INC | ADI | +-0.2% | +0.2% | Holders → |
| GDS HLDGS LTD | GDS | +-0.3% | +0.2% | Holders → |
Top SellsQ2 2026
The fund's top sells among positions it retained in Q2 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| AMAZON.COM INC | AMZN | -3.8% | 59.1% | Holders → |
| ADVANCED MICRO DEVICES INC | AMD | -1.5% | 50.1% | History → |
| NVIDIA CORPORATION | NVDA | -6.3% | 49.8% | Holders → |
| MKS INC. | MKSI | -0.2% | 15.1% | History → |
| JFROG LTD | FROG | 0.1% | 10.5% | History → |
| NXP SEMICONDUCTORS N V | NXPI | -0.2% | 9.8% | Holders → |
| TAIWAN SEMICONDUCTOR MANUFAC | TSM | -2.8% | 0.7% | History → |
Full ExitsQ2 2026
Positions present in the prior 13F-HR filing that no longer appear in Q2 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| BILL HOLDINGS INC | BILL | 4.8% |
| SAMSARA INC | IOT | 2.4% |
| LUMENTUM HLDGS INC | LITE | 0.4% |
| AMPLITUDE INC | AMPL | 0.4% |
Net Portfolio Value ChangeQ2 2026
- $0.5BPrior quarter
- $0.9BCurrent quarter
- +$0.4BNet delta
- +71.1%% change
Methodology & FAQ
How LIGHT STREET CAPITAL MANAGEMENT, LLC Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for LIGHT STREET CAPITAL MANAGEMENT, LLC: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.
What stocks did LIGHT STREET CAPITAL MANAGEMENT, LLC buy in Q2 2026?
In Q2 2026, LIGHT STREET CAPITAL MANAGEMENT, LLC initiated 8 new positions (ASTERA LABS INC (ALAB), TOAST INC (TOST), REDDIT INC (RDDT), MERCADOLIBRE INC (MELI), SNOWFLAKE INC (SNOW), MONGODB INC (MDB), ROUNDHILL ETF TRUST (DRAM), QUANTINUUM INC (QNT)); bought more shares of CELLEBRITE DI LTD (CLBT), COUPANG INC (CPNG), BLOOM ENERGY CORP (BE), GITLAB INC (GTLB), AMKOR TECHNOLOGY INC (AMKR) (the largest 5 of 11 adds).
What stocks did LIGHT STREET CAPITAL MANAGEMENT, LLC sell in Q2 2026?
In Q2 2026, LIGHT STREET CAPITAL MANAGEMENT, LLC fully sold 4 positions (BILL HOLDINGS INC (BILL), SAMSARA INC (IOT), LUMENTUM HLDGS INC (LITE), AMPLITUDE INC (AMPL)); reduced holdings in AMAZON.COM INC (AMZN), ADVANCED MICRO DEVICES INC (AMD), NVIDIA CORPORATION (NVDA), MKS INC. (MKSI), JFROG LTD (FROG) (the largest 5 of 7 reductions).
Which positions did LIGHT STREET CAPITAL MANAGEMENT, LLC initiate in Q2 2026?
LIGHT STREET CAPITAL MANAGEMENT, LLC established 8 new positions in Q2 2026: ASTERA LABS INC (ALAB, 7.1%), TOAST INC (TOST, 3.8%), REDDIT INC (RDDT, 3.7%), MERCADOLIBRE INC (MELI, 2.5%), SNOWFLAKE INC (SNOW, 2.1%), MONGODB INC (MDB, 2.0%), ROUNDHILL ETF TRUST (DRAM, 1.0%), QUANTINUUM INC (QNT, 0.3%).
Which existing positions saw the largest allocation increases for LIGHT STREET CAPITAL MANAGEMENT, LLC in Q2 2026?
Of 11 existing positions with share-count increases in Q2 2026, the largest were: CELLEBRITE DI LTD (CLBT, +0.5% weight, +104.8% shares), COUPANG INC (CPNG, +0.1% weight, +92.5% shares), BLOOM ENERGY CORP (BE, +1.6% weight, +66.3% shares), GITLAB INC (GTLB, +1.9% weight, +66.2% shares), AMKOR TECHNOLOGY INC (AMKR, +2.4% weight, +46.6% shares), CHIME FINL INC (CHYM, +-2.5% weight, +5.8% shares), BROADCOM INC (AVGO, +-2.5% weight, +2.3% shares), ALPHABET INC-CL A (GOOGL, +-0.7% weight, +0.4% shares), ANALOG DEVICES INC (ADI, +-0.2% weight, +0.2% shares), GDS HLDGS LTD (GDS, +-0.3% weight, +0.2% shares).
Which positions did LIGHT STREET CAPITAL MANAGEMENT, LLC fully exit in Q2 2026?
LIGHT STREET CAPITAL MANAGEMENT, LLC fully exited 4 positions in Q2 2026: BILL HOLDINGS INC (BILL, last-reported weight 4.8%), SAMSARA INC (IOT, last-reported weight 2.4%), LUMENTUM HLDGS INC (LITE, last-reported weight 0.4%), AMPLITUDE INC (AMPL, last-reported weight 0.4%).
Which existing positions saw the largest allocation reductions for LIGHT STREET CAPITAL MANAGEMENT, LLC in Q2 2026?
Of 7 existing positions with share-count reductions in Q2 2026, the largest were: AMAZON.COM INC (AMZN, -3.8% weight, -59.1% shares), ADVANCED MICRO DEVICES INC (AMD, -1.5% weight, -50.1% shares), NVIDIA CORPORATION (NVDA, -6.3% weight, -49.8% shares), MKS INC. (MKSI, -0.2% weight, -15.1% shares), JFROG LTD (FROG, 0.1% weight, -10.5% shares), NXP SEMICONDUCTORS N V (NXPI, -0.2% weight, -9.8% shares), TAIWAN SEMICONDUCTOR MANUFAC (TSM, -2.8% weight, -0.7% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.