Mizuho Securities Co. Ltd.
CIK 1520309 · View on SEC EDGAR ↗
- Portfolio value
- $7.7M
- Positions
- 16
- As of
- March 31, 2026 Data as of Q1 2026
#8,991 of 9,443 by 13F value · top 95.2%
Portfolio value QoQ: +2.6% 13F does not disclose cash
- Top 10 holdings weight
- 98.96%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 5
- Effective number of positions
- 2.2
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q1 2026: 1.31% Est. buys $1,972,131 · sells $99,456
Median holding: 2.0 quarters Tracked Q4 2024–Q1 2026 · 18.2% still held
- New positions
- 7
- Increased
- 3
- Decreased
- 1
- Closed
- 5
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: -1.2% · S&P 500: +9.2%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 99.8% · Options excluded: 0.0%
Sector breakdown
Consumer Discretionary
65.0%
Communication Services
22.1%
Retail
8.3%
Technology
2.5%
Financial Services
0.5%
Telecommunication
0.3%
Materials
0.2%
Other/Unmapped
1.0%
Full portfolio 16 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| TCOM Trip.com Group Limited - American Depositary Shares | $4,916,265 | 64.02% | 98,740 | $116,992 | Up ×2 | ||
| BILI Bilibili Inc. - American Depositary Shares | $1,674,087 | 21.80% | 74,206 | $-150,639 | |||
| BABA Alibaba Group Holding Limited American Depositary Shares each representing eight Ordinary share | $345,015 | 4.49% | 2,750 | $-58,080 | |||
| JD JD.com, Inc. - American Depositary Shares | $269,087 | 3.50% | 9,100 | $7,917 | |||
| NVDA NVIDIA Corporation - Common Stock | $155,216 | 2.02% | 890 | $153,351 | Up ×1 | ||
| IAU | $73,173 | 0.95% | 830 | ||||
| LI Li Auto Inc. - American Depositary Shares | $70,428 | 0.92% | 3,950 | $3,554 | |||
| MA Mastercard Incorporated Common Stock | $39,973 | 0.52% | 80 | ||||
| MSFT Microsoft Corporation - Common Stock | $33,315 | 0.43% | 90 | $26,061 | Up ×1 | ||
| AMZN Amazon.com, Inc. - Common Stock | $22,910 | 0.30% | 110 | ||||
| T AT&T Inc. | $22,612 | 0.29% | 780 | ||||
| ALB Albemarle Corporation Common Stock | $17,953 | 0.23% | 100 | Up ×1 | |||
| META Meta Platforms, Inc. - Class A Common Stock | $14,303 | 0.19% | 25 | ||||
| GOOGL Alphabet Inc. - Class A Common Stock | $11,502 | 0.15% | 40 | $-12,912 | Down ×3 | ||
| UMC United Microelectronics Corporation (NEW) Common Stock | $7,022 | 0.09% | 782 | $875 | |||
| TSLA Tesla, Inc. - Common Stock | $6,692 | 0.09% | 18 | ||||
| No matches | |||||||
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| BILI | Price move only | +0 | -$151K |
| TCOM | Bought more | +32K | +$117K |
| BABA | Price move only | +0 | -$58K |
| MSFT | Bought more | +75 | +$26K |
| GOOGL | Trimmed | -38 | -$13K |
| JD | Price move only | +0 | +$8K |
| LI | Price move only | +0 | +$4K |
| UMC | Price move only | +0 | +$875 |
1 position hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| BA | Sept. 30, 2025 | 5,280 | $1,106,318 | -0.6% |
| ANET | Sept. 30, 2025 | 9,840 | $1,006,730 | 29.3% |
| DIS | Sept. 30, 2025 | 8,080 | $1,002,001 | -6.4% |
| VRT | Dec. 31, 2025 | 5,440 | $820,678 | 63.1% |
| CRWD | Dec. 31, 2025 | 1,650 | $809,127 | -60.1% |
| AAPL | Dec. 31, 2025 | 3,000 | $763,890 | 13.3% |
| TSLA | Dec. 31, 2025 | 1,680 | $747,130 | -22.5% |
| XPEV | Sept. 30, 2025 | 34,023 | $608,331 | -48.4% |
| CRM | Dec. 31, 2025 | 2,480 | $587,760 | -22.4% |
| AMD | Sept. 30, 2025 | 4,060 | $576,114 | 191.0% |
| CHT | March 31, 2025 | 14,493 | $549,575 | 10.6% |
| ASX | March 31, 2025 | 49,980 | $507,297 | 319.5% |
| UNH | Dec. 31, 2025 | 1,413 | $487,909 | 17.3% |
| MAR | March 31, 2025 | 1,740 | $487,739 | 49.9% |
| UMC | March 31, 2025 | 53,335 | $347,211 | 159.3% |
| WM | June 30, 2025 | 1,200 | $277,812 | -2.1% |
| BABA | March 31, 2025 | 3,100 | $260,803 | -7.6% |
| LULU | March 31, 2025 | 570 | $218,908 | -58.4% |
| INTC | Dec. 31, 2025 | 6,216 | $208,547 | 149.1% |
| WMT | Sept. 30, 2025 | 2,130 | $208,271 | 0.1% |
| CVX | June 30, 2025 | 1,080 | $180,673 | 44.3% |
| NFLX | Dec. 31, 2025 | 140 | $167,849 | -15.1% |
| ADBE | June 30, 2025 | 430 | $164,918 | -29.4% |
| IBN | June 30, 2025 | 5,000 | $157,600 | -11.2% |
| VEEV | Sept. 30, 2025 | 500 | $143,990 | -16.8% |
| ARM | Dec. 31, 2025 | 1,000 | $141,490 | 129.4% |
| IAU | Sept. 30, 2025 | 2,230 | $139,063 | No longer tracked |
| COST | March 31, 2025 | 150 | $138,332 | -0.3% |
| MU | Dec. 31, 2025 | 820 | $137,202 | 245.0% |
| MA | June 30, 2025 | 250 | $137,030 | 2.4% |
| ETN | Dec. 31, 2025 | 365 | $136,601 | 32.1% |
| AMZN | Dec. 31, 2025 | 605 | $132,840 | 11.7% |
| CAT | Sept. 30, 2025 | 340 | $131,991 | 72.7% |
| COST | Sept. 30, 2025 | 130 | $128,692 | 1.9% |
| TNMG | June 30, 2025 | 168,298 | $127,923 | -19.7% |
| META | Dec. 31, 2025 | 168 | $123,376 | -16.9% |
| GS | Dec. 31, 2025 | 150 | $119,452 | 16.5% |
| GLW | Dec. 31, 2025 | 1,300 | $106,639 | 75.4% |
| GE | Sept. 30, 2025 | 400 | $102,956 | 15.9% |
| AVGO | Dec. 31, 2025 | 300 | $98,973 | 7.7% |
| V | Dec. 31, 2025 | 280 | $95,586 | 4.9% |
| GM | Dec. 31, 2025 | 1,500 | $91,455 | 7.9% |
| TSM | Sept. 30, 2025 | 350 | $79,272 | 50.5% |
| ZM | June 30, 2025 | 930 | $68,606 | 35.8% |
| PANW | Dec. 31, 2025 | 300 | $61,086 | 86.8% |
| LLY | Dec. 31, 2025 | 80 | $61,040 | 16.3% |
| HD | Dec. 31, 2025 | 150 | $60,778 | -2.5% |
| ISRG | June 30, 2025 | 120 | $59,432 | -31.2% |
| GOLD | March 31, 2025 | 3,660 | $56,369 | 84.0% |
| MMM | June 30, 2025 | 380 | $55,807 | 18.1% |
| DASH | June 30, 2025 | 300 | $54,831 | -11.0% |
| CAT | March 31, 2026 | 90 | $51,558 | 16.3% |
| T | June 30, 2025 | 1,650 | $46,662 | -12.3% |
| ON | June 30, 2025 | 1,100 | $44,759 | 43.3% |
| XYZ | Dec. 31, 2025 | 610 | $44,085 | 23.0% |
| BIDU | Sept. 30, 2025 | 500 | $42,880 | -29.2% |
| LVS | Sept. 30, 2025 | 950 | $41,334 | -13.7% |
| BSX | March 31, 2025 | 410 | $36,769 | -51.0% |
| WMT | March 31, 2025 | 380 | $34,417 | 17.5% |
| LMT | March 31, 2025 | 70 | $33,836 | 27.3% |
| KO | June 30, 2025 | 460 | $32,945 | 28.1% |
| JPM | Sept. 30, 2025 | 110 | $31,890 | 12.7% |
| INTC | June 30, 2025 | 1,400 | $31,794 | 310.4% |
| ADSK | March 31, 2025 | 100 | $29,753 | -5.6% |
| IBM | June 30, 2025 | 90 | $22,379 | -20.8% |
| JNJ | June 30, 2025 | 130 | $21,559 | 74.9% |
| OXY | Sept. 30, 2025 | 500 | $21,005 | 30.0% |
| AMAT | Sept. 30, 2025 | 110 | $20,138 | 141.4% |
| PYPL | March 31, 2026 | 305 | $17,806 | 37.6% |
| KEYS | March 31, 2025 | 80 | $12,894 | 111.7% |
| UBER | Dec. 31, 2025 | 100 | $9,797 | -4.3% |
| ITUB | Dec. 31, 2025 | 1,205 | $8,845 | 2.4% |
| NKE | June 30, 2025 | 120 | $7,618 | -42.9% |
| ENPH | June 30, 2025 | 120 | $7,446 | -1.3% |
| ISRG | March 31, 2026 | 13 | $7,363 | -19.0% |
| ORCL | March 31, 2026 | 35 | $6,822 | -0.4% |
| KO | Dec. 31, 2025 | 100 | $6,632 | 29.7% |
| LMT | Dec. 31, 2025 | 10 | $4,992 | 17.6% |
| PFE | March 31, 2026 | 200 | $4,980 | -0.1% |
| JNJ | Dec. 31, 2025 | 25 | $4,636 | 29.1% |
| VALE | Dec. 31, 2025 | 300 | $3,258 | 11.3% |
| PBR | Sept. 30, 2025 | 200 | $2,502 | 51.5% |
| NKE | Dec. 31, 2025 | 30 | $2,092 | -36.3% |
| DDD | June 30, 2025 | 680 | $1,442 | 105.8% |
| GILD | Sept. 30, 2025 | 10 | $1,109 | 30.5% |
| PG | Dec. 31, 2025 | 5 | $768 | 0.0% |
| KMI | June 30, 2025 | 20 | $571 | 7.4% |
| AEP | Dec. 31, 2025 | 5 | $562 | 7.1% |
| QCOM | March 31, 2025 | 1 | $155 | 4.8% |