Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in CODX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ARMISTICE CAPITAL, LLC | 236K | $732K | β | 21.142% | 0.01% |
| 2 | JANE STREET GROUP, LLC | 89K | $277K | β | 7.995% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 58K | $181K | β | 5.221% | 0.00% |
| 4 | Private Advisory Group LLC | 39K | $122K | -4.8% | 3.528% | 0.01% |
| 5 | MILLENNIUM MANAGEMENT LLC | 32K | $99K | β | 2.866% | 0.00% |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 31K | $97K | β | 2.799% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 26K | $79K | β | 2.291% | 0.00% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 20K | $61K | +1977500.0% | 1.772% | 0.00% |
| 9 | UBS Group AG | 16K | $50K | +118.4% | 1.442% | 0.00% |
| 10 | STATE STREET CORP | 15K | $46K | β | 1.326% | 0.00% |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 13K | $39K | β | 1.120% | 0.00% |
| 12 | MORGAN STANLEY | 3K | $9K | +3169.3% | 0.258% | 0.00% |
| 13 | Smartleaf Asset Management LLC | 133 | $396 | 0.0% | 0.012% | 0.00% |
| 14 | Global Retirement Partners, LLC | 100 | $310 | β | 0.009% | 0.00% |
| 15 | WELLS FARGO & COMPANY/MN | 81 | $251 | 0.0% | 0.007% | 0.00% |
| 16 | SBI Securities Co., Ltd. | 81 | $251 | +39.7% | 0.007% | 0.00% |
| 17 | Virtu Financial LLC | 18K | $55 | β | 1.578% | 0.00% |
| 18 | Heritage Wealth Advisors | 17 | $53 | 0.0% | 0.002% | 0.00% |
| 19 | OSAIC HOLDINGS, INC. | 10 | $31 | 0.0% | 0.001% | 0.00% |
| 20 | BFC Planning, Inc. | 8 | $25 | β | 0.001% | 0.00% |
| 21 | FMR LLC | 7 | $21 | β | 0.001% | 0.00% |
| 22 | NewEdge Advisors, LLC | 6 | $19 | 0.0% | 0.001% | 0.00% |
| 23 | JPMORGAN CHASE & CO | 3 | $9 | -94.0% | 0.000% | 0.00% |
| 24 | HARBOUR INVESTMENTS, INC. | 2 | $6 | 0.0% | 0.000% | 0.00% |
| 25 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 1 | $3 | β | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in CODX β a direct measure of their conviction.
Filings activity in CODX during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new CODX position in Q2 2026
Institutions that fully closed their CODX position in Q2 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 25 | +79% | 53.38% | +47.41 pp | $2M | +1859% |
| Q1 2026 | 14 | 55% | 5.97% | 11.33 pp | $0M | 91% |
| Q4 2025 | 31 | 6.1% | 17.30% | +1.12 pp | $1M | 47% |
| Q3 2025 | 33 | 8.3% | 16.18% | +0.84 pp | $2M | +30% |
| Q2 2025 | 36 | 5.3% | 15.34% | 1.33 pp | $1M | 17% |
| Q1 2025 | 38 | +2.7% | 16.67% | 0.59 pp | $2M | 60% |
| Q4 2024 | 37 | +2.8% | 17.26% | +4.04 pp | $4M | 22% |
| Q3 2024 | 36 | β | 13.22% | β | $6M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CODX stock.
Based on Q2 2026 13F filings, institutional ownership of Co-Diagnostics, Inc. stands at 53.4%, held across 25 reporting institutions.
ARMISTICE CAPITAL, LLC is the largest reported institutional holder of CODX, with approximately 236,000 shares worth $0.00B as of Q2 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of CODX, including JANE STREET GROUP, LLC, MILLENNIUM MANAGEMENT LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for CODX is 82 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
12 institutions opened new positions in CODX during Q2 2026, while 2 fully exited. 11 added to existing positions and 1 trimmed.
CODX institutional ownership rose by 47.41 percentage points quarter-over-quarter, with a net change of +11 holders.
The top 10 institutions account for 97.3% of all reported 13F value in CODX, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Co-Diagnostics, Inc. (CODX) Institutional Ownership