Mizuho Securities USA Portfolio holdings
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$768M |
| 2 |
SBXD
SilverBox Corp IV
SBXD
|
+$14.2M |
| 3 |
ANSC
Agriculture & Natural Solutions Acquisition Corp
ANSC
|
+$13.3M |
| 4 |
SCIIU
SC II Acquisition Corp Units
SCIIU
|
+$10.1M |
| 5 |
HDRN
Hadron Energy
HDRN
|
+$7.97M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NETD
Nabors Energy Transition Corp II
NETD
|
+$13.8M |
| 2 |
YHNA
YHN Acquisition I Ltd
YHNA
|
+$7.23M |
| 3 |
AFJK
Aimei Health Technology Co
AFJK
|
+$6.11M |
| 4 |
ASPC
A SPAC III Acquisition Corp
ASPC
|
+$5.9M |
| 5 |
RIBB
Ribbon Acquisition Corp
RIBB
|
+$5.87M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 24.79% |
| 2 | Financials | 17.76% |
| 3 | Communication Services | 7.72% |
| 4 | Consumer Discretionary | 7.37% |
| 5 | Healthcare | 6.85% |
Similar funds
Mizuho Securities USA's Q4 2025 Portfolio in Review
As of Q4 2025, Mizuho Securities USA held 780 positions worth $6.05B, up 23% from $4.93B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
Mizuho Securities USA deployed $734M of net new capital in Q4 2025, opening 68 new positions and adding to 191 existing holdings. Its largest new stake was SC II Acquisition Corp Units: 1,000,000 shares worth $10M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 28% a quarter earlier, followed by Financials and Communication Services.
On the sell side, the largest reduction was Ribbon Acquisition Corp, an estimated $5.87M trimmed.
- Mizuho Securities USA's largest Q4 2025 buy was SC II Acquisition Corp Units: 1,000,000 shares worth $10M.
- Mizuho Securities USA added most to State Street SPDR S&P 500 ETF Trust in Q4 2025, an estimated $768M increase.
- Mizuho Securities USA's biggest Q4 2025 reduction was Ribbon Acquisition Corp, cutting an estimated $5.87M.
- Mizuho Securities USA fully exited Nabors Energy Transition Corp II in Q4 2025, selling an estimated $13.8M.
- Mizuho Securities USA's ten largest holdings make up 42% of its $6.05B portfolio in Q4 2025.
- Mizuho Securities USA opened 68 new positions and closed 78 in Q4 2025.
- Mizuho Securities USA's portfolio value rose 23% quarter-over-quarter to $6.05B.
Based on Mizuho Securities USA's 13F filing for Q4 2025, filed 9 Feb 2026.