Co.-DiagnosticsCODX
13F holders, Q4 2025 (December 31)28holders −5
4new positions
10sold out
1famous investor
$0.17avg. 13F price*
At the end of Q4 2025, 28 institutions reported holding Co.-Diagnostics Inc. (CODX) in their 13F filings, down 5 from Q3 2025. 4 opened new positions and 10 sold out. The largest holders were Vanguard Group Inc. ($323K), Private Advisory Group LLC ($199K) and Renaissance Technologies ($123K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Co.-Diagnostics Inc.
- CUSIP
- 189763105
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $14K |
| Exits | 10 | $144K |
All 13F filers, Q3 2025 → Q4 2025: 623,092 shares bought and 699,643 shares sold, net −76,551 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Vanguard Group Inc. | 0.00% | Add +11.9% | 1,909,122 | $323K |
| Private Advisory Group LLC | 0.02% | No change | 1,181,633 | $199K |
| Renaissance Technologies | 0.00% | Reduce -15.8% | 730,323 | $123K |
| Geode Capital Management, LLC | 0.00% | Add +40.4% | 449,148 | $81K |
| BlackRock, Inc. | 0.00% | No change | 427,440 | $72K |
| Jane Street Group, LLC | 0.00% | Add +287.0% | 240,919 | $41K |
| Bank of New York Mellon Corp | 0.00% | No change | 137,068 | $23K |
| State Street Corp. | 0.00% | No change | 100,647 | $17K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -34.5% | 88,199 | $15K |
| Northern Trust Corp. | 0.00% | No change | 54,977 | $9K |
| Susquehanna International Group, LLP | 0.00% | Add +9.1% | 49,258 | $8K |
| Summit Financial Wealth Advisors, LLC | 0.00% | New | 40,000 | $7K |
| UBS Group AG | 0.00% | Reduce -73.4% | 31,454 | $5K |
| Two Sigma Securities, LLC | 0.00% | New | 30,784 | $5K |
| Regal Investment Advisors LLC | 0.00% | Add +56.3% | 25,000 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +768.6% | 13,038 | $2K |
| Simplex Trading, LLC | 0.00% | Reduce -48.5% | 9,745 | $2K |
| Baader Bank Aktiengesellschaft | 0.00% | New | 10,285 | $1K |
| Smartleaf Asset Management LLC | 0.00% | New | 4,000 | $723 |
| Global Retirement Partners, LLC | 0.00% | No change | 3,000 | $506 |
| Wells Fargo & Company | 0.00% | Add +794.5% | 2,460 | $414 |
| Morgan Stanley | 0.00% | Reduce -62.0% | 2,200 | $371 |
| JPMorgan Chase & Co. | 0.00% | Reduce -31.4% | 663 | $112 |
| Bank of America Corp. | 0.00% | Add +57.0% | 504 | $85 |
| Osaic Holdings, Inc. | 0.00% | Reduce -84.5% | 300 | $51 |
| NewEdge Advisors, LLC | 0.00% | No change | 200 | $34 |
| Advocate Investing Services LLC | 0.00% | — | 78 | $13 |
| BNP Paribas Financial Markets | 0.00% | No change | 60 | $10 |
"% of holder's portfolio" is CODX's weight in each manager's 13F, not the share of Co.-Diagnostics Inc. the manager owns.