What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0002036346
Total reported value
$500.4M
$500.4M
17 檔
68.7%
During the Q4 2025 filing period, Headwater Capital Co Ltd (CIK: 0002036346) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $500.4M across 17 reported positions.
Headwater Capital Co Ltd executed strategic sector rebalancing during Q4 2025, establishing 4 new positions while fully exiting 4 holdings and trimming 8 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 30.80% | +1.43% | +41.74% | |
| 2 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 23.00% | +1.78% | +16.67% | |
| 3 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 6.51% | -5.63% | — | |
| 4 | PDD | Pdd Holdings Inc | Stock-Consumer Disc | 6.13% | -2.46% | EXIT | |
| 5 | META | Meta Platforms Inc-class A | Stock-Comm Services | 5.00% | +0.34% | -27.20% | |
| 6 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 4.99% | +6.19% | NEW | |
| 7 | TCOM | Trip.com Group Ltd-adr | Stock-Consumer Disc | 4.86% | -0.46% | -12.16% | |
| 8 | MU | Micron Technology Inc | Stock-Tech | 4.63% | -0.97% | -35.00% | |
| 9 | FIG | Figma Inc-cl A | Stock-Other | 4.04% | — | — | |
| 10 | LITE | Lumentum Holdings Inc | Stock-Tech | 2.30% | -2.26% | EXIT | |
| 11 | HTHT | H World Group Ltd-adr | Stock-Other | 1.96% | — | -20.00% | |
| 12 | ATAT | Atour Lifestyle Holdings-adr | Stock-Other | 1.64% | — | +11.11% | |
| 13 | TRIP | Tripadvisor Inc | Stock-Other | 1.06% | — | -61.96% | |
| 14 | YUMC | Yum China Holdings Inc | Stock-Consumer Disc | 0.99% | — | -16.46% | |
| 15 | YELP | Yelp Inc | Stock-Other | 0.95% | — | — | |
| 16 | MCHX | Marchex, Inc. | Stock-Other | 0.65% | — | — | |
| 17 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 0.49% | — | -86.67% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GOOG | Alphabet Inc-cl C | +11% | +41.74% | Add |
| 2 | TSM | Taiwan Semiconductor-sp Adr | +1.7% | +16.67% | Add |
| 3 | PDD | Pdd Holdings Inc | +1.3% | +73.33% | Add |
| 4 | ATAT | Atour Lifestyle Holdings-adr | 0% | +11.11% | Add |
| 5 | YUMC | Yum China Holdings Inc | -0.3% | -16.46% | Trim |
| 6 | MU | Micron Technology Inc | -0.3% | -35.00% | Trim |
| 7 | AMZN | Amazon.com Inc | -0.4% | +4.00% | Add |
| 8 | HTHT | H World Group Ltd-adr | -0.4% | -20.00% | Trim |
| 9 | TCOM | Trip.com Group Ltd-adr | -2% | -12.16% | Trim |
| 10 | TRIP | Tripadvisor Inc | -2.6% | -61.96% | Trim |
| 11 | LITE | Lumentum Holdings Inc | -2.7% | -76.00% | Trim |
| 12 | META | Meta Platforms Inc-class A | -4% | -27.20% | Trim |
| 13 | BABA | Alibaba Group Holding-sp Adr | -4.8% | -86.67% | Trim |
| 14 | GOOGL | Alphabet Inc-cl A | — | NEW | New buy |
| 15 | FIG | Figma Inc-cl A | — | NEW | New buy |
| 16 | NVDA | Nvidia CORP | — | EXIT | Sold out |
| 17 | MAR | Marriott International -cl A | — | EXIT | Sold out |
| 18 | YELP | Yelp Inc | — | NEW | New buy |
| 19 | MCHX | Marchex, Inc. | — | NEW | New buy |
| 20 | OPRA | Opera Ltd-adr | — | EXIT | Sold out |
| 21 | ✓ | Invesco QQQ Tr Put Option 06/2 | — | EXIT | Sold out |
According to official SEC Form 13F filings, Headwater Capital Co Ltd reported a total U.S. public equity portfolio value of $500.4M across 17 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including GOOG, TSM, GOOGL) accounted for 68.7% of total reported equity market value during Q4 2025.
Top New Position Initiated
GOOGL
市值: $31.3M
Top Position Liquidated / Trimmed
NVDA
前期市值: $18.7M
During Q4 2025, Headwater Capital Co Ltd's top holdings by market value included GOOG (30.8%)、TSM (23.0%)、GOOGL (6.5%). The largest single position, GOOG, represented 30.8% of total portfolio value.
In Q4 2025, Headwater Capital Co Ltd made 21 total portfolio adjustments, initiating 4 new buys, adding to 5 positions, trimming 8 holdings, and fully liquidating 4 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.