Managers / Q2 2025 · view latest →
Japan Science & Technology Agency
CIK 0001948391 · 5-3, YONBANCHO, CHIYODA-KU, TOKYO, M0, 102-8666 · 81-3-5214-8405
Summary
Japan Science & Technology Agency reported $6.3B in U.S.-listed holdings across 13 positions for Q2 2025.
The portfolio is heavily concentrated: Ishares Tr alone accounts for 24.0% of reported value.
The book was largely unchanged from Q1 2025.
Portfolio Metrics
Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.
Reported Value by Quarter
Portfolio Composition
- ETP · 100.0% · $6.3B
Quarter-over-Quarter Changes full breakdown →
vs Q1 2025 (amended baseline)
| Issuer | Move | Share Δ | Shares now | Value Δ | Value now |
|---|---|---|---|---|---|
| VANGUARD SCOTTSDALE FDS | TRIMMED | −2.78M | 2.07M | −$218M | $165M |
| ISHARES TR | TRIMMED | −778.0K | 3.80M | −$38M | $195M |
| ISHARES TR | TRIMMED | −556.0K | 4.40M | −$26M | $234M |
| VANGUARD SCOTTSDALE FDS | TRIMMED | −580.0K | 6.67M | −$40M | $553M |
| ISHARES TR | TRIMMED | −630.0K | 9.77M | −$29M | $515M |
| ISHARES TR | HELD | +0 | 1.17M | +$69M | $727M |
| INVESCO EXCHANGE TRADED FD T | HELD | +0 | 3.79M | +$32M | $689M |
| ISHARES TR | HELD | +0 | 10.39M | +$18M | $838M |
Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.
Holdings — Q2 2025
| # | Issuer | Class | % Portfolio | Value ↓ | Shares |
|---|---|---|---|---|---|
| 1 | ISHARES TR | IBOXX INV CP ETF · IBOXX HI YD ETF · CORE S&P500 ETF · ISHS 1-5YR INVS · BROAD USD HIGH · ISHS 5-10YR INVT · USD INV GRDE ETF · 0-5YR HI YL CP | 72.18% | $4.5B | 56.61M |
| 2 | VTVVANGUARD SCOTTSDALE FDShistory → | INT-TERM CORP · SHRT TRM CORP BD · VALUE ETF | 12.40% | $781M | 9.10M |
| 3 | INVESCO EXCHANGE TRADED FD T | S&P500 EQL WGT | 10.94% | $689M | 3.79M |
| 4 | SPDR SERIES TRUST | BLOOMBERG HIGH | 4.48% | $282M | 2.90M |
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $4.8B | 12 | May 8, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $5.4B | 12 | Feb 6, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $5.6B | 13 | Oct 28, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $6.3B | 13 | Jul 31, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $6.5B | 13 | May 20, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $5.8B | 11 | Jan 28, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $7.6B | 13 | Nov 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $7.2B | 12 | Aug 1, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $8.1B | 12 | May 15, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $9.2B | 12 | Feb 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $8.8B | 11 | Nov 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $8.7B | 11 | Aug 8, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $9.2B | 11 | May 9, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $6.7B | 7 | Feb 9, 2023 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.