# PROSHARES TR (SLON)

> Institutional ownership reported to the SEC as of Q1 2026, from Form 13F filings. Source: https://holderbook.com/stocks/SLON/

- Reporting holders: 12
- Reported value: $1.6M
- Held through calls: 0.0%
- Held through puts: 10.2%

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 |
|---|---|---|---|---|
| [FLOW TRADERS U.S. LLC](https://holderbook.com/funds/1466697-flow-traders-u-s-llc/) | $916.0K | 181,826 | 0.0% | 2 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $288.2K | 25,380 | 0.0% | 3 |
| [Avidian Wealth Enterprises, LLC](https://holderbook.com/funds/1471474-avidian-wealth-enterprises-llc/) | $257.3K | 51,060 | 0.0% | 1 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $77.3K | 15,335 | 0.0% | 3 |
| [Miller Capital Partners, Inc.](https://holderbook.com/funds/2111377-miller-capital-partners-inc/) | $25.2K | 5,000 | 0.0% | 2 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $6.8K | 1,341 | 0.0% | 1 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $1.5K | 300 | 0.0% | 2 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $1.5K | 291 | 0.0% | 3 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $877 | 174 | 0.0% | 2 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $418 | 83 | 0.0% | 1 |
| [HOLLENCREST CAPITAL MANAGEMENT](https://holderbook.com/funds/1161722-hollencrest-capital-management/) | $247 | 49 | 0.0% | 2 |
| [Ankerstar Wealth, LLC](https://holderbook.com/funds/2053917-ankerstar-wealth-llc/) | $86 | 17 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2026 | 12 | $1.6M |
| Q4 2025 | 12 | $1.9M |
| Q3 2025 | 8 | $5.8M |