Co.-DiagnosticsCODX
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 33 institutions reported holding Co.-Diagnostics Inc. (CODX) in their 13F filings, down 2 from Q2 2025. 3 opened new positions and 5 sold out. The largest holders were Vanguard Group Inc. ($587K), Private Advisory Group LLC ($406K) and Renaissance Technologies ($298K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Co.-Diagnostics Inc.
- CUSIP
- 189763105
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $8K |
| Exits | 5 | $20K |
All 13F filers, Q2 2025 → Q3 2025: 771,819 shares bought and 304,919 shares sold, net +466,900 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 33 holders
| Vanguard Group Inc. | 0.00% | Reduce -1.6% | 1,705,952 | $587K |
| Private Advisory Group LLC | 0.04% | No change | 1,181,633 | $406K |
| Renaissance Technologies | 0.00% | Add +54.6% | 867,522 | $298K |
| BlackRock, Inc. | 0.00% | No change | 427,440 | $147K |
| Geode Capital Management, LLC | 0.00% | No change | 319,990 | $110K |
| HRT Financial LP | 0.00% | Add +1022.3% | 149,291 | $51K |
| Bank of New York Mellon Corp | 0.00% | No change | 137,068 | $47K |
| Kestra Advisory Services, LLC | 0.00% | Add +4.7% | 134,694 | $46K |
| Virtu Financial LLC | 0.00% | Add +393.8% | 126,524 | $44K |
| UBS Group AG | 0.00% | Add +9344.4% | 118,244 | $41K |
| State Street Corp. | 0.00% | No change | 100,647 | $35K |
| Jane Street Group, LLC | 0.00% | Reduce -62.6% | 62,251 | $21K |
| Northern Trust Corp. | 0.00% | No change | 54,977 | $19K |
| Group One Trading LLC | 0.00% | Add +5131.0% | 54,298 | $19K |
| Susquehanna International Group, LLP | 0.00% | Reduce -63.9% | 45,136 | $16K |
| SMI Advisory Services, LLC | 0.00% | No change | 28,000 | $11K |
| Envestnet Asset Management Inc. | 0.00% | Add +87.0% | 30,840 | $11K |
| Simplex Trading, LLC | 0.00% | Add +230.1% | 18,930 | $6K |
| Regal Investment Advisors LLC | 0.00% | Add +6.7% | 16,000 | $6K |
| Ground Swell Capital, LLC | 0.01% | New | 11,517 | $4K |
| Citadel Advisors | 0.00% | New | 10,589 | $4K |
| Morgan Stanley | 0.00% | Reduce -2.7% | 5,793 | $2K |
| Global Retirement Partners, LLC | 0.00% | No change | 3,000 | $1K |
| Osaic Holdings, Inc. | 0.00% | No change | 1,940 | $632 |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,501 | $516 |
| Citigroup Inc. | 0.00% | Reduce -72.9% | 1,456 | $501 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1,397 | $481 |
| JPMorgan Chase & Co. | 0.00% | Reduce -93.2% | 967 | $332 |
| Heritage Wealth Advisors | 0.00% | No change | 525 | $181 |
| Bank of America Corp. | 0.00% | Reduce -48.1% | 321 | $110 |
| Wells Fargo & Company | 0.00% | No change | 275 | $95 |
| NewEdge Advisors, LLC | 0.00% | No change | 200 | $69 |
| BNP Paribas Financial Markets | 0.00% | Reduce -98.1% | 60 | $21 |
"% of holder's portfolio" is CODX's weight in each manager's 13F, not the share of Co.-Diagnostics Inc. the manager owns.