Who Owns Cardio Diagnostics Holdings Inc. Warrant (CDIOW)?Hedge Fund & Institutional Holders
Institutional Holders
6
as of Q4 2025
Total Institutional Value
$420.0M
% of Float Held
—
QoQ Change in Holders
+0 / -4
Price History
CDIOW — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| UBS Group AG | Increased | +4K | +$-3K |
CDIOW — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| Clear Street Group Inc. | Decreased | -200 | -$1.7M |
| ATW SPAC MANAGEMENT LLC | Closed Position | -61K | -$1.2M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Closed Position | -53K | -$1.1M |
| TWO SIGMA SECURITIES, LLC | Closed Position | -11K | -$215K |
| TORONTO DOMINION BANK | Closed Position | -100 | -$2K |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | Saba Capital Management, L.P. | 199,839 | $4K | 0.00% | Share |
| 2 | Context Capital Management, LLC | 81,500 | $2K | 0.00% | Share |
| 3 | UBS Group AG | 3,922 | $0 | 0.00% | Share |
| 4 | D. E. Shaw & Co., Inc. | 74,822 | $0 | 0.00% | Share |
| 5 | BOOTHBAY FUND MANAGEMENT, LLC | 60,540 | $0 | 0.00% | Share |
| 6 | Clear Street Group Inc. | 82,442 | $0 | 0.00% | Share |
CDIOW Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 6 | $6K | -4 |
| Q3 2025 | 10 | $254.3M | +1 |
| Q2 2025 | 9 | $224.6M | +2 |
| Q1 2025 | 7 | $39.6M | +0 |
| Q4 2024 | 7 | $89.8M | -3 |
| Q3 2024 | 10 | $25.3B | +1 |
| Q2 2024 | 9 | $44.0B | -1 |
| Q1 2024 | 10 | $119.2B | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 6 institutional investors hold CDIOW (Cardio Diagnostics Holdings Inc. Warrant). The largest holder is Saba Capital Management, L.P. with $4K in shares. This quarter, 0 institutions opened new positions and 4 closed their positions.
Frequently Asked Questions
How many hedge funds own CDIOW?
As of Q4 2025, 6 institutional investors report holding CDIOW (Cardio Diagnostics Holdings Inc. Warrant) in their 13F filings.
Who is the largest institutional holder of CDIOW?
The largest institutional holder of CDIOW is Saba Capital Management, L.P. with $4K in shares.
Is institutional ownership of CDIOW increasing or decreasing?
This quarter, 0 institutions opened new positions in CDIOW and 4 closed their positions.