Vault-13

Headwater Capital Co Ltd

HONG KONG, F4 · CIK 2036346 · 13F filing filed 2026-08-14

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

$493.4m reported value -20.7% vs Q1 2026
14positions
89.8%in top 10
5 new 2 added 7 reduced 6 sold out vs Q1 2026

Options: 0 call positions (— notional), 1 put positions ($7.0m notional) – listed below, not included above.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS TSM TSM 210,000 $100.3m20.33% 20.33% ReducedShares held: Q3 2025 312.0k, Q4 2025 364.0k, Q1 2026 336.0k, Q2 2026 210.0k -126.0k -126,000 -37.5%
2 META PLATFORMS INC CL A META META 157,500 $88.7m17.98% 17.98% ReducedShares held: Q3 2025 50.0k, Q4 2025 36.4k, Q1 2026 189.0k, Q2 2026 157.5k -31.5k -31,500 -16.7%
3 ALPHABET INC CAP STK CL C GOOG GOOG 213,000 $75.3m15.25% 15.25% ReducedShares held: Q3 2025 333.0k, Q4 2025 472.0k, Q1 2026 295.0k, Q2 2026 213.0k -82.0k -82,000 -27.8%
4 AMAZON COM INC COM AMZN AMZN 130,000 $31.0m6.28% 6.28% NewShares held: Q3 2025 100.0k, Q4 2025 104.0k, Q1 2026 0, Q2 2026 130.0k
5 FUTU HLDGS LTD SPON ADS CL A FUTU FUTU 315,000 $29.5m5.98% 5.98% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 100.0k, Q2 2026 315.0k +215.0k +215,000 215.0%
6 ALPHABET INC CAP STK CL A GOOGL GOOGL 70,000 $25.0m5.07% 5.07% ReducedShares held: Q3 2025 0, Q4 2025 100.0k, Q1 2026 230.0k, Q2 2026 70.0k -160.0k -160,000 -69.6%
7 MICRON TECHNOLOGY INC COM MU MU 21,000 $24.2m4.91% 4.91% ReducedShares held: Q3 2025 120.0k, Q4 2025 78.0k, Q1 2026 107.0k, Q2 2026 21.0k -86.0k -86,000 -80.4%
8 TRIP COM GROUP LTD ADS TCOM TCOM 605,000 $24.1m4.89% 4.89% ReducedShares held: Q3 2025 370.0k, Q4 2025 325.0k, Q1 2026 660.0k, Q2 2026 605.0k -55.0k -55,000 -8.3%
9 VISA INC COM CL A V V 70,000 $24.0m4.87% 4.87% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 70.0k
10 ROBINHOOD MKTS INC COM CL A HOOD HOOD 210,000 $21.1m4.27% 4.27% ReducedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 367.0k, Q2 2026 210.0k -157.0k -157,000 -42.8%
11 ROBLOX CORP CL A RBLX RBLX 315,000 $17.1m3.47% 3.47% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 200.0k, Q2 2026 315.0k +115.0k +115,000 57.5%
12 BWX TECHNOLOGIES INC COM BWXT BWXT 80,000 $15.6m3.16% 3.16% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 80.0k
13 APPLOVIN CORP COM CL A APP APP 20,000 $10.3m2.09% 2.09% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 20.0k
14 PAYPAY CORP SPONSORED ADS PAYP PAYP 500,000 $7.2m1.45% 1.45% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 500.0k

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
NVIDIA CORPORATION NVDA NVDA 315,000 $54.9m315.0k shares
DOORDASH INC DASH DASH 210,000 $31.5m210.0k shares
PDD HOLDINGS INC PDD PDD 150,000 $15.3m150.0k shares
LUMENTUM HLDGS INC LITE LITE 20,000 $14.1m20.0k shares
ON HLDG AG ONON ONON 300,000 $10.2m300.0k shares
KANZHUN LIMITED BZ BZ 300,000 $4.0m300.0k shares

Options (notional value)

UnderlyingTickerTypeShares controlled NotionalChange
INVESCO QQQ TR QQQ · Put QQQPut 630,000 $7.0m630.0k shares New