# EFFECTOR THERAPEUTICS INC (EFTR)

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

- Reporting holders: 1
- Reported value: $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 |
|---|---|---|---|---|
| [PROATHLETE WEALTH MANAGEMENT LLC](https://holderbook.com/funds/2012065-proathlete-wealth-management-llc/) | $0 | 12 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 1 | $0 |
| Q3 2024 | 3 | $4.3K |
| Q2 2024 | 18 | $357.0K |
| Q1 2024 | 18 | $13.9M |
| Q4 2023 | 26 | $10.9M |
| Q3 2023 | 29 | $14.0M |
| Q2 2023 | 37 | $20.6M |
| Q1 2023 | 26 | $8.3M |
| Q4 2022 | 31 | $10.5M |
| Q3 2022 | 27 | $13.7M |
| Q2 2022 | 23 | $34.0M |
| Q1 2022 | 18 | $90.1M |