Bruce & Co., Inc.
- SEC CIK
- 0001358331
- Latest filing
- Aug 14, 2026
PRTK holding history
Paratek Pharmaceuticals, Inc. in every 13F filed by Bruce & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
PRTK overviewAll 13F holders of PRTKFull Q2 2026 holdings
- Shares (Q3 2023)
- 0
- Sold out in Q3 2023
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2023 | 0 | $0 | 0.0% | −1,556,247−100.0% | Sold out | Holders |
| Q2 2023 | 1,556,247 | $3.44M | 1.0% | 00.0% | Unchanged | Holders |
| Q1 2023 | 1,556,247 | $3.95M | 1.1% | −1,065−0.1% | Reduced | Holders |
| Q4 2022 | 1,557,312 | $2.91M | 0.8% | 00.0% | Unchanged | Holders |
| Q3 2022 | 1,557,312 | $4.00M | 1.1% | 00.0% | Unchanged | Holders |
| Q2 2022 | 1,557,312 | $3.00M | 0.7% | 00.0% | Unchanged | Holders |
| Q1 2022 | 1,557,312 | $4.63M | 0.9% | +114,000+7.9% | Added | Holders |
| Q4 2021 | 1,443,312 | $6.48M | 1.3% | +100,000+7.4% | Added | Holders |
| Q3 2021 | 1,343,312 | $6.53M | 1.4% | +180,000+15.5% | Added | Holders |
| Q2 2021 | 1,163,312 | $7.93M | 1.5% | 00.0% | Unchanged | Holders |
| Q1 2021 | 1,163,312 | $8.21M | 1.5% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.