Comparable stake leader
BlackRock, Inc.
SEC ownership of CareDx, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001217234.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
05 Aug 2026
- Public ticker
- CDNA on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
05 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001217234
- Issuer location
- Brisbane, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CareDx, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
05 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 9%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 9%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
9%
STATE STREET CORP
4.8%
ARK Investment Management LLC
4.5%
GAGNON SECURITIES LLC
4.4%
BAMCO INC /NY/
3.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
9%
from 13D/G
|
$137,219,211
4,814,709 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
4.8%
|
$70,387,142
2,468,858 shares
|
-$7,666,168 | 30 Jun 2026 |
| ARK Investment Management LLC |
13F
13D/G
Company
|
4.5%
from 13D/G
|
$55,675,622
1,953,531 shares
|
— | 30 Jun 2026 |
| GAGNON SECURITIES LLC |
13D/G
13F
Neil Gagnon · Company
|
4.4%
|
$65,386,659
2,293,464 shares
|
-$21,709,852 | 31 Jul 2026 |
| BAMCO INC /NY/ |
13D/G
13F
Baron Capital Group, Inc. · Company
|
3.8%
|
$55,233,164
1,937,326 shares
|
-$34,721,018 | 30 Jun 2026 |
| Abhishek Jain |
3/4/5
Chief Financial Officer
|
0.62%
|
$3,907,039
319,725 shares
|
— | 01 Aug 2025 |
| Keith Kennedy |
3/4/5
CFO & COO
|
0.43%
|
$3,817,880
219,924 shares
|
— | 01 Jul 2026 |
| Jessica Meng |
3/4/5
Chief Commercial Officer
|
0.33%
|
$2,921,462
168,287 shares
|
— | 01 Jul 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$13,308,479.
Buys
$0
Insiders: 0
Sells
$13,308,479
Insiders: 7
Net
-$13,308,479
Shares: -394,384
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 394,384
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 326,786 | $0 | $11,922,227 | -$11,922,227 |
| 3-6 | 0 | 23,540 | $0 | $487,412 | -$487,412 |
| 6-9 | 0 | 41,370 | $0 | $857,117 | -$857,117 |
| 9-12 | 0 | 2,688 | $0 | $41,723 | -$41,723 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 23 reporting-owner rows connected to CareDx, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
23
Largest Forms 3/4/5 holder
John Walter Hanna Jr.
Net 12M change
-$13,308,480
Latest report
05 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| John Walter Hanna Jr. | President and CEO, Director | $25,493,424 | -$7,540,919 | -23% | Filing P/S | 16 Jul 2026 |
| Alexander L. Johnson | President of Patient and Testing Services | $9,284,746 | Filing P/S | 20 Aug 2024 | ||
| George Bickerstaff | Director | $6,205,013 | -$925,700 | -13% | Filing P/S | 05 Aug 2026 |
| Abraham Ronai | Officer | $6,160,873 | Mixed | 20 Sep 2023 | ||
| Peter Maag | Director | $5,745,904 | Mixed | 07 Jul 2025 | ||
| Reginald Seeto | President and Chief Executive Officer, Director | $5,721,218 | Mixed | 02 Oct 2023 | ||
| Michael Goldberg | Director | $5,500,054 | -$2,103,497 | -28% | Mixed | 04 Aug 2026 |
| Jeffrey Adam Novack | Secretary and General Counsel | $4,959,006 | -$452,744 | -8.4% | Filing P/S | 05 Aug 2026 |
| Abhishek Jain | Chief Financial Officer | $3,907,039 | Mixed | 01 Aug 2025 | ||
| Keith Kennedy | Cfo & Coo | $3,817,880 | Mixed | 01 Jul 2026 | ||
| Fred E. Cohen | Director | $2,950,014 | Mixed | 12 Jun 2026 | ||
| Jessica Meng | Chief Commercial Officer | $2,921,462 | Mixed | 01 Jul 2026 | ||
| Christine Cournoyer | Director | $2,100,137 | -$750,973 | -26% | Mixed | 04 Aug 2026 |
| Sasha King | Chief Marketing Officer | $1,697,173 | Mixed | 09 Aug 2022 | ||
| Nathan Smith | Chief Financial Officer | $1,613,506 | Mixed | 02 Feb 2026 | ||
| Hannah Valantine | Director | $1,340,873 | -$1,319,971 | -50% | Filing P/S | 16 Jul 2026 |
| William A. Hagstrom | Director | $1,158,857 | Mixed | 11 Jun 2025 | ||
| Arthur A. Torres | Director | $853,685 | -$214,676 | -20% | Mixed | 14 May 2026 |
| Richard Bryan Riggsbee | Director | $767,029 | Mixed | 12 Jun 2026 | ||
| Ralph Snyderman | Director | $694,633 | Mixed | 04 Oct 2022 |
Recent insider transactions for CareDx, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Jeffrey Adam Novack | CDNA | Common Stock | Sale | -2.47% | $124,349 | $46.26 | -2,688 | 106,075 | 05 Aug 2026 | Direct |
| George Bickerstaff | CDNA | Common Stock | Sale | -13% | $925,700 | $46.28 | -20,000 | 134,061 | 05 Aug 2026 | Direct |
| Michael Goldberg | CDNA | Common Stock | Sale | -42% | $2,103,497 | $47.06 | -44,700 | 61,738 | 04 Aug 2026 | Direct |
| Christine Cournoyer | CDNA | Common Stock | Sale | -27.1% | $750,973 | $46.94 | -16,000 | 42,943 | 04 Aug 2026 | Direct |
| Jeffrey Adam Novack | CDNA | Common Stock | Tax liability | -2.57% | -2,872 | 108,763 | 01 Aug 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -15.3% | $4,458,637 | $37.79 | -118,000 | 653,448 | 16 Jul 2026 | Direct |
| John Walter Hanna Jr. | CDNA | Common Stock | Options Exercise | 18.1% | 118,000 | 771,448 | 16 Jul 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Employee Stock Option (Right to Buy) | Options Exercise | -18.7% | -118,000 | 512,706 | 16 Jul 2026 | Direct | ||
| Hannah Valantine | CDNA | Common Stock | Sale | -44% | $1,040,243 | $36.15 | -28,779 | 36,686 | 16 Jul 2026 | Direct |
| Hannah Valantine | CDNA | Common Stock | Options Exercise | 78.4% | 28,779 | 65,465 | 16 Jul 2026 | Direct | ||
| Hannah Valantine | CDNA | Stock Option (Right to Buy) | Options Exercise | -100% | -28,779 | 0 | 16 Jul 2026 | Direct | ||
| Michael Goldberg | CDNA | Common Stock | Award | 1.67% | 1,746 | 106,438 | 02 Jul 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Tax liability | -1.29% | -8,511 | 653,448 | 01 Jul 2026 | Direct | ||
| Jeffrey Adam Novack | CDNA | Common Stock | Tax liability | -0.89% | -997 | 111,635 | 01 Jul 2026 | Direct | ||
| Jessica Meng | CDNA | Common Stock | Tax liability | -1.41% | -2,411 | 168,287 | 01 Jul 2026 | Direct | ||
| Keith Kennedy | CDNA | Common Stock | Tax liability | -1.31% | -2,930 | 219,924 | 01 Jul 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -5.68% | $1,166,836 | $29.24 | -39,900 | 661,959 | 29 Jun 2026 | Direct |
| John Walter Hanna Jr. | CDNA | Common Stock | Options Exercise | 6.03% | 39,900 | 701,859 | 29 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Employee Stock Option (right to buy) | Options Exercise | -5.95% | -39,900 | 630,706 | 29 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -0.02% | $2,900 | $29.00 | -100 | 661,959 | 26 Jun 2026 | Direct |
| John Walter Hanna Jr. | CDNA | Common Stock | Options Exercise | 0.02% | 100 | 662,059 | 26 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Employee Stock Option (right to buy) | Options Exercise | -0.01% | -100 | 670,606 | 26 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Options Exercise | 2.43% | 15,676 | 661,959 | 15 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Employee Stock Option (right to buy) | Options Exercise | -2.28% | -15,676 | 670,706 | 15 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -2.72% | $424,877 | $24.03 | -17,683 | 631,959 | 15 Jun 2026 | Direct |
| Hannah Valantine | CDNA | Common Stock | Sale | -24.8% | $279,728 | $23.11 | -12,103 | 36,686 | 15 Jun 2026 | Direct |
| Hannah Valantine | CDNA | Common Stock | Award | 25.1% | 9,795 | 48,789 | 12 Jun 2026 | Direct | ||
| Christine Cournoyer | CDNA | Common Stock | Award | 19.9% | 9,795 | 58,943 | 12 Jun 2026 | Direct | ||
| Richard Bryan Riggsbee | CDNA | Common Stock | Award | 33.2% | 9,795 | 39,312 | 12 Jun 2026 | Direct | ||
| Fred E. Cohen | CDNA | Common Stock | Award | 6.31% | 9,795 | 165,060 | 12 Jun 2026 | Direct | ||
| Suresh Gunasekaran | CDNA | Common Stock | Award | 35.7% | 9,795 | 37,248 | 12 Jun 2026 | Direct | ||
| George Bickerstaff | CDNA | Common Stock | Award | 6.79% | 9,795 | 154,061 | 12 Jun 2026 | Direct | ||
| Michael Goldberg | CDNA | Common Stock | Award | 5.27% | 9,795 | 195,737 | 12 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Options Exercise | 2.15% | 13,618 | 646,283 | 11 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Employee Stock Option (right to buy) | Options Exercise | -1.95% | -13,618 | 686,382 | 11 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -3.28% | $528,443 | $24.02 | -21,998 | 649,642 | 11 Jun 2026 | Direct |
| Jeffrey Adam Novack | CDNA | Common Stock | Tax liability | -1.13% | -1,292 | 112,632 | 06 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Options Exercise | 0.11% | 706 | 632,665 | 04 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Employee Stock Option (right to buy) | Options Exercise | -0.1% | -706 | 700,000 | 04 Jun 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -0.71% | $116,045 | $24.00 | -4,835 | 671,640 | 04 Jun 2026 | Direct |
| Arthur A. Torres | CDNA | Common Stock | Sale | -14.4% | $128,978 | $19.89 | -6,484 | 38,665 | 15 May 2026 | Direct |
| Arthur A. Torres | CDNA | Common Stock | Sale | -8.3% | $85,698 | $20.97 | -4,086 | 45,149 | 14 May 2026 | Direct |
| Jeffrey Adam Novack | CDNA | Common Stock | Sale | -2.31% | $55,581 | $20.68 | -2,688 | 113,924 | 05 May 2026 | Direct |
| Jeffrey Adam Novack | CDNA | Common Stock | Tax liability | -2.4% | -2,873 | 116,612 | 01 May 2026 | Direct | ||
| Keith Kennedy | CDNA | Common Stock | Award | 12.2% | 24,134 | 221,548 | 20 Apr 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Sale | -1.5% | $217,156 | $21.12 | -10,282 | 676,475 | 16 Apr 2026 | Direct |
| John Walter Hanna Jr. | CDNA | Common Stock | Tax liability | -8.29% | -62,049 | 686,757 | 15 Apr 2026 | Direct | ||
| Jeffrey Adam Novack | CDNA | Common Stock | Tax liability | -1.56% | -1,892 | 119,485 | 06 Apr 2026 | Direct | ||
| Michael Goldberg | CDNA | Common Stock | Award | 1.08% | 1,981 | 185,942 | 02 Apr 2026 | Direct | ||
| John Walter Hanna Jr. | CDNA | Common Stock | Tax liability | -4.47% | -35,037 | 748,806 | 01 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.