Co-Diagnostics
CODX
33 hedge funds and large institutions have $1.93M invested in Co-Diagnostics in 2025 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 9 increasing their positions, 8 reducing their positions, and 5 closing their positions.
67% more call options, than puts
Call options by funds: $20K | Put options by funds: $12K
34% more capital invested
Capital invested by funds: $1.44M → $1.93M (+$492K)
13% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 8
0.03% less ownership
Funds ownership: 0.51% → 0.49% (-0.03%)
6% less funds holding
Funds holding: 35 → 33 (-2)
40% less first-time investments, than exits
New positions opened: 3 | Existing positions closed: 5
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$95K |
| 2 |
HF
HRT Financial
New York
|
+$42.2K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$36.3K |
| 4 |
VF
Virtu Financial
New York
|
+$31.3K |
| 5 |
Group One Trading
Chicago,
Illinois
|
+$16.5K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$32.2K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$24.8K |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$8.46K |
| 4 |
PWA
Physician Wealth Advisors
Midvale,
Utah
|
-$7.95K |
| 5 |
RG
Rathbones Group
Liverpool,
United Kingdom
|
-$7K |
CODX Hedge Fund Activity: Q3 2025 in Review
33 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Co-Diagnostics (CODX) for Q3 2025, worth a combined $1.93M — up 34% from $1.44M a quarter earlier.
Sellers outnumbered buyers: 5 funds closed out of CODX and 3 opened new positions — a net loss of 2 holders — while 8 trimmed existing stakes and 9 added.
The largest buyer was Renaissance Technologies, adding an estimated $95K. The largest seller was Jane Street, cutting an estimated $32.2K.
- 33 institutional investors held Co-Diagnostics (CODX) as of Q3 2025, down from 35 in Q2 2025.
- Funds reported $1.93M of Co-Diagnostics stock for Q3 2025, up 34% quarter-over-quarter.
- 3 funds opened new Co-Diagnostics positions in Q3 2025 and 5 closed out, a net change of -2 holders.
- The largest Co-Diagnostics buyer in Q3 2025 was Renaissance Technologies, an estimated $95K added.
- The largest Co-Diagnostics seller in Q3 2025 was Jane Street, an estimated $32.2K sold.
Based on aggregated 13F filings for Q3 2025.