13F GuideFiling Basics
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.
AlphaSMO Research GuideRead Guide
CIK: 0001520309
Total reported value
$7.7M
$7.7M
43 檔
120.4%
As reported in its official Q3 2025 Form 13F filing, Mizuho Securities Co. Ltd.'s tracked investment portfolio stood at $7.7M with 43 total positions.
In Q3 2025, Mizuho Securities Co. Ltd. adopted a defensive or profit-taking posture, trimming 13 positions and completely liquidating 18 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TCOM | Trip.com Group Ltd-adr | Stock-Consumer Disc | 32.65% | -0.11% | — | |
| 2 | BILI | Bilibili Inc-sponsored Adr | Stock-Other | 14.28% | -2.58% | +513.27% | |
| 3 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 5.62% | — | -7.33% | |
| 4 | CRWD | Crowdstrike Holdings Inc - A | Stock-Tech | 5.54% | — | +1550.00% | |
| 5 | AAPL | Apple Inc | Stock-Tech | 5.23% | — | +109.79% | |
| 6 | TSLA | Tesla Inc | Stock-Consumer Disc | 5.12% | +0.09% | NEW | |
| 7 | CRM | Salesforce Inc | Stock-Tech | 4.03% | — | -55.87% | |
| 8 | NVDA | Nvidia CORP | Stock-Tech | 3.63% | +2.00% | -93.93% | |
| 9 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 3.37% | -0.90% | +400.00% | |
| 10 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 3.34% | — | — | |
| 11 | JD | Jd.com Inc-adr | Stock-Consumer Disc | 2.18% | +0.01% | — | |
| 12 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.60% | -0.18% | -42.17% | |
| 13 | INTC | Intel CORP | Stock-Tech | 1.43% | — | — | |
| 14 | NFLX | Netflix Inc | Stock-Comm Services | 1.15% | — | -36.36% | |
| 15 | ARM | Arm Holdings Plc-adr | Stock-Tech | 0.97% | — | -90.88% | |
| 16 | MU | Micron Technology Inc | Stock-Tech | 0.94% | — | -94.55% | |
| 17 | ETN | Eaton Corporation plc | Stock-Industrials | 0.94% | — | -91.01% | |
| 18 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.91% | +0.30% | NEW | |
| 19 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.85% | +0.19% | NEW | |
| 20 | GS | Goldman Sachs Group Inc | Stock-Financials | 0.82% | — | +650.00% | |
| 21 | GLW | Corning Inc | Stock-Tech | 0.73% | — | — | |
| 22 | LI | Li Auto Inc - Adr | Stock-Other | 0.69% | +0.03% | — | |
| 23 | AVGO | Broadcom Inc | Stock-Tech | 0.68% | — | -62.50% | |
| 24 | V | Visa Inc-class A Shares | Stock-Financials | 0.65% | — | -86.07% | |
| 25 | GM | General Motors Co | Stock-Consumer Disc | 0.63% | — | — | |
| 26 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.42% | — | -69.07% | |
| 27 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.42% | — | -82.61% | |
| 28 | HD | Home Depot Inc | Stock-Consumer Disc | 0.42% | — | — | |
| 29 | XYZ | Block Inc | Stock-Financials | 0.30% | — | -63.47% | |
| 30 | MSFT | Microsoft CORP | Stock-Tech | 0.07% | +0.33% | -99.32% | |
| 31 | UBER | Uber Technologies Inc | Stock-Industrials | 0.07% | — | -98.66% | |
| 32 | ITUB | Itau Unibanco H-spon Prf Adr | Stock-Financials | 0.06% | — | — | |
| 33 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.05% | — | — | |
| 34 | UMC | United Microelectron-sp Adr | Stock-Other | 0.04% | +0.01% | +56.09% | |
| 35 | LMT | Lockheed Martin CORP | Stock-Industrials | 0.03% | — | — | |
| 36 | PYPL | Paypal Holdings Inc | Stock-Financials | 0.03% | -0.24% | EXIT | |
| 37 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.03% | — | — | |
| 38 | VALE | Vale Sa-sp Adr | Stock-Materials | 0.02% | — | — | |
| 39 | ORCL | Oracle CORP | Stock-Tech | 0.02% | -0.09% | EXIT | |
| 40 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 0.01% | — | — | |
| 41 | PFE | Pfizer Inc | Stock-Healthcare | 0.01% | -0.07% | EXIT | |
| 42 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.01% | — | -99.28% | |
| 43 | AEP | American Electric Power | Stock-Utilities | — | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | VRT | Vertiv Holdings Co-a | +5.1% | -7.33% | Add |
| 2 | CRM | Salesforce Inc | +3.9% | -55.87% | Add |
| 3 | CRWD | Crowdstrike Holdings Inc - A | +3.4% | +1550.00% | Add |
| 4 | AAPL | Apple Inc | +3% | +109.79% | Add |
| 5 | INTC | Intel CORP | +1.1% | — | Add |
| 6 | GOOGL | Alphabet Inc-cl A | +0.9% | -42.17% | Add |
| 7 | V | Visa Inc-class A Shares | +0.5% | -86.07% | Add |
| 8 | AVGO | Broadcom Inc | +0.3% | -62.50% | Add |
| 9 | MU | Micron Technology Inc | +0.3% | -94.55% | Add |
| 10 | KO | Coca-cola Co/the | -0.3% | — | Trim |
| 11 | PG | Procter & Gamble Co/the | -0.4% | -99.28% | Trim |
| 12 | LLY | Eli Lilly & Co | -1.1% | -82.61% | Trim |
| 13 | GS | Goldman Sachs Group Inc | -1.3% | +650.00% | Trim |
| 14 | NFLX | Netflix Inc | -1.4% | -36.36% | Trim |
| 15 | MSFT | Microsoft CORP | -1.4% | -99.32% | Trim |
| 16 | PANW | Palo Alto Networks Inc | -3.2% | -69.07% | Trim |
| 17 | META | Meta Platforms Inc-class A | -4% | -65.00% | Trim |
| 18 | UBER | Uber Technologies Inc | -4.3% | -98.66% | Trim |
| 19 | AMZN | Amazon.com Inc | -5.3% | -79.35% | Trim |
| 20 | NVDA | Nvidia CORP | -5.7% | -93.93% | Trim |
| 21 | TSLA | Tesla Inc | -7.2% | -43.43% | Trim |
| 22 | ARM | Arm Holdings Plc-adr | -8% | -90.88% | Trim |
| 23 | TCOM | Trip.com Group Ltd-adr | — | NEW | New buy |
| 24 | BILI | Bilibili Inc-sponsored Adr | — | NEW | New buy |
| 25 | TSM | Taiwan Semiconductor-sp Adr | — | EXIT | Sold out |
| 26 | BABA | Alibaba Group Holding-sp Adr | — | NEW | New buy |
| 27 | UNH | Unitedhealth Group Inc | — | NEW | New buy |
| 28 | JD | Jd.com Inc-adr | — | NEW | New buy |
| 29 | DIS | Walt Disney Co/the | — | EXIT | Sold out |
| 30 | WM | Waste Management Inc | — | EXIT | Sold out |
| 31 | CVX | Chevron CORP | — | EXIT | Sold out |
| 32 | AMD | Advanced Micro Devices | — | EXIT | Sold out |
| 33 | ADBE | Adobe Inc | — | EXIT | Sold out |
| 34 | IBN | Icici Bank Ltd-spon Adr | — | EXIT | Sold out |
| 35 | MA | Mastercard Inc - A | — | EXIT | Sold out |
| 36 | ETN | Eaton Corporation plc | — | NEW | New buy |
| 37 | ✓ | — | EXIT | Sold out | |
| 38 | GLW | Corning Inc | — | NEW | New buy |
| 39 | ANET | Arista Networks Inc | — | EXIT | Sold out |
| 40 | LI | Li Auto Inc - Adr | — | NEW | New buy |
| 41 | GM | General Motors Co | — | NEW | New buy |
| 42 | CAT | Caterpillar Inc | — | EXIT | Sold out |
| 43 | ZM | Zoom Communications Inc | — | EXIT | Sold out |
| 44 | HD | Home Depot Inc | — | NEW | New buy |
| 45 | ISRG | Intuitive Surgical Inc | — | EXIT | Sold out |
| 46 | MMM | 3m Co | — | EXIT | Sold out |
| 47 | DASH | Doordash Inc - A | — | EXIT | Sold out |
| 48 | T | At&t Inc | — | EXIT | Sold out |
| 49 | ON | On Semiconductor | — | EXIT | Sold out |
| 50 | IBM | Intl Business Machines CORP | — | EXIT | Sold out |
According to official SEC Form 13F filings, Mizuho Securities Co. Ltd. reported a total U.S. public equity portfolio value of $7.7M across 43 disclosed positions in Q3 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 TCOM, BILI, VRT) accounted for 120.4% of total reported equity market value during Q3 2025.
Top New Position Initiated
TCOM
市值: $4.8M
Top Position Liquidated / Trimmed
TSM
前期市值: $753.6K
During Q3 2025, Mizuho Securities Co. Ltd.'s top holdings by market value included TCOM (32.6%)、BILI (14.3%)、VRT (5.6%). The largest single position, TCOM, represented 32.6% of total portfolio value.
In Q3 2025, Mizuho Securities Co. Ltd. made 50 total portfolio adjustments, initiating 10 new buys, adding to 9 positions, trimming 13 holdings, and fully liquidating 18 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.