Cardio Diagnostics
CDIO
23 hedge funds and large institutions have $836K invested in Cardio Diagnostics in 2025 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 8 increasing their positions, 4 reducing their positions, and 3 closing their positions.
100% more repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 4
0% more funds holding
Funds holding: 23 → 23 (0)
0% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 3
0.05% less ownership
Funds ownership: 0.21% → 0.16% (-0.05%)
65% less capital invested
Capital invested by funds: $2.36M → $836K (-$1.52M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$72.9K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$52.2K |
| 3 |
Mariner
Overland Park,
Kansas
|
+$26K |
| 4 |
IWC
Integrated Wealth Concepts
Waltham,
Massachusetts
|
+$20.8K |
| 5 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$17.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$236K |
| 2 |
HF
HRT Financial
New York
|
-$57.5K |
| 3 |
SRL
Scientech Research LLC
Jersey City,
New Jersey
|
-$31.6K |
| 4 |
Jane Street
New York
|
-$16.5K |
| 5 |
TSS
Two Sigma Securities
New York
|
-$5.42K |
CDIO Hedge Fund Activity: Q1 2025 in Review
23 of the 7,461 institutional investors tracked by Wall St. Rank reported a position in Cardio Diagnostics (CDIO) for Q1 2025, worth a combined $836K — down 65% from $2.36M a quarter earlier.
Fund positioning in CDIO was balanced in Q1 2025: 3 funds opened new positions, 3 closed out, 8 added to existing stakes and 4 trimmed.
The largest buyer was Vanguard Group, adding an estimated $72.9K. The largest seller was Millennium Management, exiting entirely with an estimated $236K sold.
- 23 institutional investors held Cardio Diagnostics (CDIO) as of Q1 2025, unchanged from Q4 2024.
- Funds reported $836K of Cardio Diagnostics stock for Q1 2025, down 65% quarter-over-quarter.
- 3 funds opened new Cardio Diagnostics positions in Q1 2025 and 3 closed out, a net change of 0 holders.
- The largest Cardio Diagnostics buyer in Q1 2025 was Vanguard Group, an estimated $72.9K added.
- The largest Cardio Diagnostics seller in Q1 2025 was Millennium Management, an estimated $236K sold.
Based on aggregated 13F filings for Q1 2025.