PLx Pharma Winddown Corp.
PLXPDelisted May 2, 2023- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001497504
PLx Pharma Winddown Corp. was delisted on May 2, 2023; its insiders filed their last Form 4 on Mar 16, 2022; 35 institutions reported holding it in 13F filings for Q1 2023, worth $477.6K in total; no superinvestor held it.
13F holders, Q3 2025
Institutional positions in PLx Pharma Winddown Corp. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
PLXP is no longer listed, and 13F filings after Q1 2023 list far fewer holders. See Q1 2023
- Institutional holders
- 1
- 0 vs. Q2 2025
- Shares held
- 1.05K
- −25.9K (−96.1%) vs. Q2 2025
- Total value
- $0
- $0 vs. Q2 2025
- New holders
- 1
- 0 more added
- Sold out
- 1
- 0 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PLXP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $0 |
| Q1 2026 | 1 | $0 |
| Q4 2025 | 1 | $0 |
| Q3 2025 | 1 | $0 |
| Q2 2025 | 2 | $0 |
| Q1 2025 | 2 | $0 |
| Q4 2024 | 3 | $0 |
| Q3 2024 | 3 | $0 |
| Q2 2024 | 3 | $0 |
| Q1 2024 | 3 | $0 |
| Q4 2023 | 2 | $0 |
| Q3 2023 | 1 | $0 |
| Q2 2023 | 4 | $161 |
| Q1 2023 | 35 | $477.6K |
| Q4 2022 | 42 | $833.4K |
| Q3 2022 | 40 | $4.11M |
| Q2 2022 | 48 | $19.3M |
| Q1 2022 | 50 | $35.4M |
| Q4 2021 | 57 | $106.1M |
| Q3 2021 | 63 | $183.6M |
| Q2 2021 | 46 | $115.6M |
| Q1 2021 | 37 | $64.3M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding PLx Pharma Winddown Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sofos Investments, Inc. | 1,050 | $0 | 0.00% | +1,050 | New |
| O'Brien Greene & Co. Inc | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| Financial Gravity Companies, Inc. | – | – | – | – | Not filed |