Light Street Capital Management

LIGHT STREET CAPITAL MANAGEMENT, LLC · CIK 0001569049 · PALO ALTO, CA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC sourceGrowth Investor

Light Street Capital Management (LIGHT STREET CAPITAL MANAGEMENT, LLC) reported 28 positions worth $902.8M as of June 30, 2026 (13F filed August 14, 2026). Largest holding: TSM (12.0%). Biggest move: reduce AMD ($63.8M).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$902.8M
2026 Q2
Positions
28
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
65.5%
Est. Net Flow (Q)
2026 Q2
10 / 28 positions shown
#SymbolCompanyTypeValue% Port.Time HeldShares1YYTD
1TSMTAIWAN SEMICONDUCTOR MANUFACSH$107.9M11.95%3.5 Years225,949
2AMDADVANCED MICRO DEVICES INCSH$63.6M7.05%3.8 Years109,500
3ALABASTERA LABS INCSH$60.7M6.73%1 Q125,750
4GTLBGITLAB INCSH$59.4M6.58%2 Years1,945,000
5AVGOBROADCOM INCSH$57.9M6.41%3 Years153,250
6TSMTAIWAN SEMICONDUCTOR MANUFACPUT$52.2M5.78%3.5 Years109,200
7AMKRAMKOR TECHNOLOGY INCSH$51.5M5.70%3 Q596,783
8FROGJFROG LTDSH$46.8M5.18%3.5 Years514,500
9MKSIMKS INC.SH$46.2M5.11%3 Q103,800
10CHYMCHIME FINL INCSH$45.0M4.99%1.3 Years2,199,089

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Light Street Capital Management hold as of Q2 2026?

Light Street Capital Management reported 28 positions worth $902.8M in its Q2 2026 13F filing. Largest positions: TSM (12.0%), AMD (7.0%), ALAB (6.7%), GTLB (6.6%) and AVGO (6.4%).

What did Light Street Capital Management buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Light Street Capital Management sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.