Who Owns Cardio Diagnostics Holdings, Inc. (CDIO)?Hedge Fund & Institutional Holders
Institutional Holders
19
as of Q4 2025
Total Institutional Value
$1000100000000000.1T
% of Float Held
2.379033372193609e+56%
QoQ Change in Holders
+4 / -0
Price History
CDIO — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| UBS Group AG | New Position | +952 | +$2.0M |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | +37 | +$0 |
| WOLVERINE ASSET MANAGEMENT LLC | New Position | +104 | +$0 |
| SBI Securities Co., Ltd. | New Position | +26 | +$0 |
| BANK OF AMERICA CORP /DE/ | Increased | +1 | +$0 |
| CITIGROUP INC | New Position | +26 | +$0 |
| DRW Securities, LLC | Increased | +22K | +$-72.8M |
CDIO — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| CITADEL ADVISORS LLC | Decreased | -9K | -$78.7M |
| Tower Research Capital LLC (TRC) | Decreased | -11 | -$3.2M |
| OSAIC HOLDINGS, INC. | Decreased | -73 | -$356K |
| MORGAN STANLEY | Decreased | -23 | -$0 |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | UBS Group AG | 404 | $1.0M | 0.00% | Share |
| 2 | UBS Group AG | 548 | $1.0M | 0.00% | Share |
| 3 | VANGUARD GROUP INC | 20,155 | $0 | 0.00% | Share |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 14,182 | $0 | 0.00% | Share |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 953 | $0 | 0.00% | Share |
| 6 | Arax Advisory Partners | 6 | $0 | 0.00% | Share |
| 7 | MORGAN STANLEY | 100 | $0 | 0.00% | Share |
| 8 | BlackRock, Inc. | 35,567 | $0 | 0.00% | Share |
| 9 | OSAIC HOLDINGS, INC. | 16 | $0 | 0.00% | Share |
| 10 | DRW Securities, LLC | 40,463 | $0 | 0.00% | Share |
| 11 | PNC FINANCIAL SERVICES GROUP, INC. | 1,350 | $0 | 0.00% | Share |
| 12 | WOLVERINE ASSET MANAGEMENT LLC | 104 | $0 | 0.00% | Share |
| 13 | Tower Research Capital LLC (TRC) | 777 | $0 | 0.00% | Share |
| 14 | BANK OF AMERICA CORP /DE/ | 14 | $0 | 0.00% | Share |
| 15 | BANK OF AMERICA CORP /DE/ | 2 | $0 | 0.00% | Share |
| 16 | CITIGROUP INC | 26 | $0 | 0.00% | Share |
| 17 | CITADEL ADVISORS LLC | 10,858 | $0 | 0.00% | Share |
| 18 | SBI Securities Co., Ltd. | 26 | $0 | 0.00% | Share |
| 19 | VANGUARD GROUP INC | 3,969 | $0 | 0.00% | Share |
CDIO Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 15 | $2.0M | +4 |
| Q3 2025 | 11 | $160.7M | -4 |
| Q2 2025 | 15 | $82.6M | -8 |
| Q1 2025 | 23 | $675.5M | -1 |
| Q4 2024 | 24 | $625.4M | +11 |
| Q3 2024 | 13 | $3.4B | -2 |
| Q2 2024 | 15 | $695.0M | +1 |
| Q1 2024 | 14 | $1.7B | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 19 institutional investors hold CDIO (Cardio Diagnostics Holdings, Inc.). The largest holder is UBS Group AG with $1.0M in shares. This quarter, 4 institutions opened new positions and 0 closed their positions.
Frequently Asked Questions
How many hedge funds own CDIO?
As of Q4 2025, 19 institutional investors report holding CDIO (Cardio Diagnostics Holdings, Inc.) in their 13F filings.
Who is the largest institutional holder of CDIO?
The largest institutional holder of CDIO is UBS Group AG with $1.0M in shares.
Is institutional ownership of CDIO increasing or decreasing?
This quarter, 4 institutions opened new positions in CDIO and 0 closed their positions.