# OIL STS INTL INC (OIS)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/OIS/

- Reporting holders: 3
- Reported value: $44.7K
- 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 |
|---|---|---|---|---|
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $25.3K | 3,178 | 0.0% | 12 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $12.0K | 1,509 | 0.0% | 5 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $7.4K | 937 | 0.0% | 26 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 3 | $44.7K |
| Q2 2026 | 202 | $455.1M |
| Q1 2026 | 217 | $635.2M |
| Q4 2025 | 182 | $346.3M |
| Q3 2025 | 159 | $331.1M |
| Q2 2025 | 154 | $277.8M |
| Q1 2025 | 158 | $263.0M |
| Q4 2024 | 149 | $249.8M |
| Q3 2024 | 152 | $229.6M |
| Q2 2024 | 149 | $239.1M |
| Q1 2024 | 174 | $369.8M |
| Q4 2023 | 183 | $422.2M |