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GK

Glen Kacher Light Street Capital Management

AUM $903M
1-Year Est. Return 113.12%
 

Glen Kacher is the founder of Light Street Capital Management, a long/short equity firm focused on technology and disruptive innovation. The firm emphasizes fundamental research into software, internet, and semiconductor-related businesses. Kacher’s portfolio is followed by investors tracking technology-specialist hedge funds.

This Fund
S&P 500
This Quarter Est. Return
+77.08%
1 Year Est. Return
+113.12%
3 Year Est. Return
+377.35%
5 Year Est. Return
+361.17%
10 Year Est. Return
+6,155.11%
AUM
$903M
AUM Growth
+$369M
Cap. Flow
+$80.7M
Cap. Flow %
8.94%
Top 10 Hldgs %
65.47%
Holding
32
New
8
Increased
11
Reduced
7
Closed
4

Top Buys

Rank Stock Value
1
ALAB icon
Astera Labs
ALAB
+$33.4M
2
TOST icon
Toast
TOST
+$30.4M
3
RDDT icon
Reddit
RDDT
+$29.2M
4
MELI icon
Mercado Libre
MELI
+$21.8M
5
GTLB icon
GitLab
GTLB
+$19.7M

Top Sells

Rank Stock Value
1
AMD icon
Advanced Micro Devices
AMD
+$45M
2
NVDA icon
NVIDIA
NVDA
+$27.9M
3
BILL icon
BILL Holdings
BILL
+$23.9M
4
AMZN icon
Amazon
AMZN
+$18.5M
5
IOT icon
Samsara
IOT
+$12.2M

Sector Composition

Rank Sector Weight
1 Technology 77.58%
2 Consumer Discretionary 7.64%
3 Communication Services 5.2%
4 Industrials 2.82%

No holdings matched the selected filter criteria.

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Glen Kacher's Q2 2026 Portfolio in Review

As of Q2 2026, Glen Kacher held 32 positions worth $903M, up 69% from $534M the previous quarter. Its ten largest holdings account for 65% of the portfolio.

Glen Kacher deployed $80.7M of net new capital in Q2 2026, opening 8 new positions and adding to 11 existing holdings. Its largest new stake was Astera Labs: 125,750 shares worth $60.7M.

By sector, the portfolio is most concentrated in Technology at 78% of assets, down from 81% a quarter earlier, followed by Consumer Discretionary and Communication Services.

On the sell side, the largest reduction was Advanced Micro Devices, an estimated $45M trimmed.

  • Glen Kacher's largest Q2 2026 buy was Astera Labs: 125,750 shares worth $60.7M.
  • Glen Kacher added most to GitLab in Q2 2026, an estimated $19.7M increase.
  • Glen Kacher's biggest Q2 2026 reduction was Advanced Micro Devices, cutting an estimated $45M.
  • Glen Kacher fully exited BILL Holdings in Q2 2026, selling an estimated $23.9M.
  • Glen Kacher's ten largest holdings make up 65% of its $903M portfolio in Q2 2026.
  • Glen Kacher opened 8 new positions and closed 4 in Q2 2026.
  • Glen Kacher's portfolio value rose 69% quarter-over-quarter to $903M.

Based on Light Street Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.