# REGULUS THERAPEUTICS INC (RGLS)

> Institutional ownership reported to the SEC as of Q2 2025, from Form 13F filings. Source: https://holderbook.com/stocks/RGLS/

- Reporting holders: 3
- Reported value: $428.8K
- Held through calls: 0.0%
- Held through puts: 99.8%

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 |
|---|---|---|---|---|
| [PEAK6 LLC](https://holderbook.com/funds/1389958-peak6-llc/) | $408.0K | 0 | 0.0% | 1 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $20.0K | 0 | 0.0% | 2 |
| [IFP Advisors, Inc](https://holderbook.com/funds/1641866-ifp-advisors-inc/) | $760 | 0 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2025 | 3 | $428.8K |
| Q1 2025 | 76 | $105.7M |
| Q4 2024 | 70 | $84.6M |
| Q3 2024 | 73 | $89.5M |
| Q2 2024 | 65 | $110.0M |
| Q1 2024 | 46 | $148.8M |
| Q4 2023 | 27 | $14.7M |
| Q3 2023 | 26 | $15.5M |
| Q2 2023 | 26 | $15.5M |
| Q1 2023 | 26 | $9.0M |
| Q4 2022 | 25 | $12.1M |
| Q3 2022 | 23 | $14.9M |

