CDIO
Cardio Diagnostics Holdings, Inc.$1.69 −0.01 (−0.88%)
Oct 23 4:00 PM ET · prev $1.71
Market cap
$5.0M
Nano cap
Next earnings
Nov 10
in 15 days
1 year
−56.8%
from $3.91 · Oct 27
30 days
−10.8%
from $1.89
52-week range
$1.05–6.55
−74% from high · low Feb 5
Avg volume 20D
29.3K
shares / day
Short interest
1.0K
≈0.0% of shares · −80.8%
Days to cover
1.0
at average volume
Insider net
$0
no open-market trades · 12 mo
New fund stakes
0
Q2 2026 13F · 0 exits
Filing reports
2
analyzed by SecBot
SecBot read MIXED 2 reports · 90 days
Balance 0 bearish · 0 bullish · 2 neutral oldest → newest, height = score
Avg score ·High conf. 1/2 ·Next Earnings date, Nov 10, 2026
Price
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
No data for this timeframe.
- X Jul 15 Short interest falls 77.5% to 4.5K
- X Jul 31 Short interest jumps 423.1% to 23.8K
- X Sep 15 Short interest falls 77.7% to 5.3K
- X Sep 30 Short interest falls 80.8% to 1.0K
Signal stack
Where each data set points today.
- InsidersNO TRADES
No open-market buys or sells in 12 months. Recent filings are awards, exercises and tax withholding.
- InstitutionsMIXED
Q2 2026: 1 added (0 new), 3 trimmed or exited.
- Short sellersCOVERING
Short interest −80.8% to 1.0K shares. 1.0 days to cover, ≈0.0% of shares.
- TrendDOWNTREND
11% below its 50-day average.
Who's buying
13F· Q2 20260
new positions
0
exits
| Fund | Move | Value |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | DOUBLED | $107.7K |
| JANE STREET GROUP, LLC | NEAR_EXIT | $26.1K |
| VANGUARD FIDUCIARY TRUST CO | TRIM | $6.2K |
| UBS Group AG | NEAR_EXIT | $1.4K |
| GEODE CAPITAL MANAGEMENT, LLC | DOUBLED | $62.7K |
| UBS Group AG | DOUBLED | $19.3K |
| CITIGROUP INC | NEAR_EXIT | $2.00 |
| OSAIC HOLDINGS, INC. | NEAR_EXIT | $43.00 |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
last action Aug 2024Recent actions
| Date | Firm | Rating |
|---|---|---|
| Aug 27, 2024 | Benchmark REITERATE | Speculative Buy |
| Jun 6, 2024 | Benchmark MAINTAIN | Speculative Buy |
| Apr 19, 2024 | Benchmark MAINTAIN | Speculative Buy |
| Jun 15, 2023 | Benchmark REITERATE | Speculative Buy |
| May 22, 2023 | Northland Capital Markets INITIATE | Outperform |
| Apr 18, 2023 | Benchmark REITERATE | Speculative Buy |
Insider ledger
Form 4$0
open-market buys or sells · 12 mo
| Date | Insider | Type | Value |
|---|---|---|---|
| Sep 30, 2026 | Burton Paul Frederick Director | AWARD | $6.2K |
| Sep 30, 2026 | Intrater James Director | AWARD | $6.2K |
| Sep 30, 2026 | Fung Peter K Director | AWARD | $6.2K |
| Sep 30, 2026 | Betts Wendy J Director | AWARD | $6.2K |
| Jun 30, 2026 | Burton Paul Frederick Director | AWARD | $6.3K |
| Jun 30, 2026 | Fung Peter K Director | AWARD | $6.3K |
| Jun 30, 2026 | Betts Wendy J Director | AWARD | $6.3K |
| Jun 30, 2026 | Intrater James Director | AWARD | $6.3K |
Earnings setup
EstimatesNov 10
reports in 15 days
| Period | EPS est. | Range | 30D rev. | Revenue |
|---|---|---|---|---|
| Current Q | — | — | — | $0.00 |
| Next Q | — | — | — | $0.00 |
| Current FY | — | — | — | $0.00 |
| Next FY | — | — | — | $0.00 |
Short side
FINRA· Sep 30, 20261,012
shares short
-80.8%
vs prior settlement
1.0
days to cover
≈0.0%
of shares outstanding
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 30, 2026 Insider
Burton Paul Frederick was granted 3,286 shares
Director @ $1.90 ($6.2K)
Sep 30, 2026 Insider
Intrater James was granted 3,286 shares
Director @ $1.90 ($6.2K)
Sep 30, 2026 Insider
Aug 20, 2026 SEC Fung Peter K was granted 3,286 shares
Director @ $1.90 ($6.2K)
Cardio Diagnostics Holdings, Inc. filed an 8-K with an investor presentation deck. The presentation highlights its…
8-K — Impact 2/10
Aug 12, 2026 Earnings calendar
Aug 7, 2026 SEC CDIO Q2 2026 Earnings Scheduled — 2026-08-12
Cardio Diagnostics Holdings filed additional definitive proxy soliciting materials (DEFA14A) on August 7, 2026. The…
DEFA14A — Impact 2/10
Jun 30, 2026 Inst.
RENAISSANCE TECHNOLOGIES LLC — DOUBLED
49,200 shares ($107.7K)
Jun 30, 2026 Inst.
JANE STREET GROUP, LLC — NEAR_EXIT
11,933 shares ($26.1K)
Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Upcoming
Recent
Aug 12, 2026
Earnings date
CDIO Q2 2026 Earnings Scheduled — 2026-08-12
May 13, 2026
Earnings date
CDIO Q1 2026 Earnings Scheduled — 2026-05-13
Mar 18, 2026
Earnings date
CDIO Q4 2025 Earnings Scheduled — 2026-03-18
Mar 16, 2026
Short interest
FTD: CDIO — 181,533 shares ($0.5M) failed to deliver
Settlement: 20260316, Price: $2.80, FTD Value: $508,292.4, CARDIO DIAGNOSTICS HLDGS INC C
Mar 2, 2026
Short interest
FTD: CDIO — 117,864 shares ($0.8M) failed to deliver
Settlement: 20260302, Price: $6.55, FTD Value: $772,009.2, CARDIO DIAGNOSTICS HLDGS INC C
SecBot reports
2 filings · 0 bullish · 0 bearish · 2 neutral- NEUTRAL 8-KAug 20, 2026
Cardio Diagnostics Holdings, Inc. filed an 8-K with an investor presentation deck. The…
This is a routine investor presentation update with no new financial data or guidance. Monitor for future 10-Q filings to assess revenue traction and test volume growth.
- NEUTRAL DEFA14AAug 7, 2026
Cardio Diagnostics Holdings filed additional definitive proxy soliciting materials (DEFA14A) on…
This DEFA14A is a routine administrative supplement to prior proxy materials—no new actionable information. Monitor the definitive proxy statement (DEF 14A) for actual voting items and any…
All CDIO filing & press-release reports (2)
- 8-K reportAug 20, 2026
- DEFA14A reportAug 7, 2026