# GRANITESHARES ETF TR 2X LONG MSTR (MSTP)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MSTP/

- Reporting holders: 3
- Reported value: $539.8K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $297.2K | 26,539 | 0.0% | 1 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $231.0K | 20,624 | 0.0% | 1 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $11.6K | 1,036 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 3 | $539.8K |
| Q1 2026 | 8 | $1.1M |
| Q4 2025 | 5 | $125.6K |
| Q3 2025 | 3 | $177.1K |
| Q2 2025 | 1 | $78 |