Delisting riskPopularity #5,422
ProPhase Labs (PRPH)
Operator of whole-genome sequencing, esophageal diagnostics, and OTC supplement brands.
$0.0100
vs last close+0.00 (+11.11%)
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13F · 13D/G · Form 4
| Institutions | 1.92% | 299.2K shares | |
|---|---|---|---|
| 31 holders · as of Sep 30, 2025 | |||
| Insiders | 3.42% | 533.3K shares | |
| 2 holders · as of Oct 18, 2022 | |||
| Other | 94.66% | 14.76M shares | |
| remainder | |||
15.59M company shares as of Sep 22, 2026 · institutions as of Sep 30, 2025 · holders as of their latest filing
Two share counts disagree (15.59M in the company's Sep 22, 2026 report, 14.02M elsewhere); stakes use the report.
13F, as of Sep 30, 2025
31 holders · 2.99M shares · 7 new positions · 14 increased · 5 reduced · 10 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Sykon Capital LLC | 644.8K | 4.14% | 0 | Nov 14, 2025 |
| Vanguard Group Inc | 531.9K | 3.41% | +123.7K | Nov 7, 2025 |
| Susquehanna International Group, LLP | 397.9K | 2.55% | +295.9K | Nov 14, 2025 |
| Geode Capital Management, LLC | 302.9K | 1.94% | +43.9K | Nov 12, 2025 |
| Accretive Wealth Partners, LLC | 250.0K | 1.60% | +250.0Knew | Nov 7, 2025 |
| Hightower Advisors, LLC | 237.3K | 1.52% | +7.9K | Nov 7, 2025 |
| Apollon Wealth Management, LLC | 182.5K | 1.17% | +182.5Knew | Oct 17, 2025 |
| Chapin Davis, Inc. | 80.0K | 0.51% | 0 | Oct 9, 2025 |
13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
Form 4
Latest trades
Nothing filed in the last 12 months.
House and Senate disclosures
Not reported.