CareDx, Inc (CDNA) Ownership

NASDAQ: CDNATop holders, insider trades and short interest.

CDNA ownership summary

as of October 18, 2026
Institutions
103.8%
of shares outstanding
Insiders
3.10%
of shares outstanding
Shares outstanding
51.7M
Float
49.5M
shares available to trade
Short interest
12.97%
6.6M shares short
Days to cover
5.19
short interest up 4.6% vs prior month
  • Institutions 103.79%
  • Insiders 3.10%

CDNA top institutional holders

20 largest
CareDx, Inc top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc9.31%4.8M$308.1M+292,613 (+6.5%)June 30, 2026
2State Street Corp4.77%2.5M$158.0M−291,527 (−10.6%)June 30, 2026
3Vanguard Capital Management, LLC4.25%2.2M$140.6M+37,018 (+1.7%)June 30, 2026
4Deerfield Management Co3.86%2.0M$127.8M−193,382 (−8.8%)June 30, 2026
5ARK Investment Management LLC3.78%2.0M$125.0M−274,025 (−12.3%)June 30, 2026
6Boston Partners Global Investors, Inc3.75%1.9M$124.0M+54,067 (+2.9%)June 30, 2026
7BAMCO Inc3.74%1.9M$124.0M−1.4M (−41.9%)June 30, 2026
8Gagnon Securities LLC3.42%1.8M$113.3M+8,861 (+0.5%)June 30, 2026
9Chevy Chase Trust Holdings, Inc.2.78%1.4M$92.0M−66,659 (−4.4%)June 30, 2026
10Geode Capital Management, LLC2.57%1.3M$85.0M+73,923 (+5.9%)June 30, 2026
11Ophir Asset Management Pty Ltd2.44%1.3M$80.9M+276,758 (+28.0%)June 30, 2026
12Renaissance Technologies Corp2.40%1.2M$79.5M+58,561 (+4.9%)June 30, 2026
13BRAIDWELL LP2.36%1.2M$78.1M−952,544 (−43.8%)June 30, 2026
14Arnhold & S. Bleichroeder Advisers, LLC2.31%1.2M$76.6M+621,629 (+108.0%)June 30, 2026
15Sumitomo Mitsui Trust Group Inc2.30%1.2M$76.3M−283,496 (−19.2%)June 30, 2026
16Blue Water Life Science Advisors, LLC2.30%1.2M$76.2M+255,000 (+27.3%)June 30, 2026
17Amova Asset Management Americas, Inc2.30%1.2M$76.0M−287,051 (−19.5%)June 30, 2026
18Dimensional Fund Advisors, Inc.2.28%1.2M$75.6M−280,837 (−19.2%)June 30, 2026
19D. E. Shaw & Co LP2.20%1.1M$72.8M+262,752 (+30.0%)June 30, 2026
20Jacobs Levy Equity Management, Inc.1.92%996K$63.7M+131,201 (+15.2%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 2.1M shares and 9 cut 4.0M.

CDNA top mutual fund and ETF holders

20 largest
CareDx, Inc top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.01%1.6M$99.6M−2,181 (−0.1%)August 31, 2026
2ARK Genomic Revolution ETF2.87%1.5M$94.9M+3,626 (+0.2%)September 30, 2026
3State Street® SPDR® S&P® Biotech ETF2.57%1.3M$85.1M−25,400 (−1.9%)September 30, 2026
4iShares Russell 2000 ETF2.57%1.3M$85.1M−15,296 (−1.1%)September 30, 2026
5Baron Discovery Institutional1.99%1.0M$65.7M−346,577 (−25.2%)September 30, 2026
6Fidelity Small Cap Index1.08%561K$35.9M+4,939 (+0.9%)July 31, 2026
7Amova ARK Pstv Chg Innovt P JPY Acc1.01%524K$33.6M−227,909 (−30.3%)August 31, 2026
8iShares Russell 2000 Growth ETF0.93%480K$30.7M−607 (−0.1%)September 30, 2026
9Strategic Advisers U.S. Total Stock0.90%464K$29.7M−124,984 (−21.2%)August 31, 2026
10First Eagle Small Cap Opportunity I0.77%400K$25.6M−56,983 (−12.5%)September 30, 2026
11iShares Biotechnology ETF0.71%369K$23.6M−2,800 (−0.8%)September 30, 2026
12Vanguard Russell 2000 ETF0.58%298K$19.1M+3,273 (+1.1%)September 30, 2026
13JNL Multi-Manager Small Cap Growth A0.56%289K$18.5M−181,531 (−38.6%)June 30, 2026
14Heptagon Driehaus US Micro Cap Eq C$ Acc0.55%284K$18.2M+149,665 (+111.3%)August 31, 2026
15Schwab US Small-Cap ETF™0.53%272K$17.4M+180 (+0.1%)September 30, 2026
16Fidelity Extended Market Index0.48%250K$16.0M−5,508 (−2.2%)August 31, 2026
17Vanguard Strategic Equity Inv0.45%235K$15.0M+71,585 (+43.8%)June 30, 2026
18Fidelity Enhanced Small Cap Core ETF0.44%227K$14.6M+474 (+0.2%)September 30, 2026
19DFA US Small Cap I0.44%226K$14.5M—August 31, 2026
20WPG Partners Select Small Cap Value Ins0.43%222K$14.2M−36,954 (−14.3%)July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

CDNA insider transactions

latest 12
CareDx, Inc insider transactions
DateNameTransactionPriceSharesValue
2026-04-16John Walter Hanna JrSell$21.1210,282$217,156
2026-01-22John Walter Hanna JrSell$21.1619,280$407,965
2026-01-21John Walter Hanna JrSell$21.00200$4,200
2026-01-15John Walter Hanna JrSell$21.0510,156$213,784
2025-07-07Peter MaagSell$18.5810,000$185,800
2025-06-18Hannah ValantineSell$19.1610,570$202,521
2025-06-17Peter MaagSell$19.2410,000$192,400
2025-06-11William A HagstromSell$19.9019,391$385,881
2025-05-28William A HagstromSell$17.4530,000$523,500
2025-05-12Christine CournoyerSell$15.9629,136$465,011
2025-05-06Christine CournoyerSell$14.1316,700$235,971
2025-04-30Peter MaagSell$17.2313,281$228,832

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

CDNA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CDNA

Institutional investors own 103.8% of CareDx's shares and insiders 3.10%. The largest holder is BlackRock Inc with 9.31% of the shares (4.8M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 12.97% of the float, or 5.19 days of average trading volume. The share count rose 321.5% since 2014.

Related: CDNA analyst forecast, CDNA key metrics. See the CDNA stock overview for the latest quote and news.

CDNA ownership FAQ

Who owns the most CareDx stock?

The largest shareholders of CareDx are BlackRock Inc (9.31%), State Street Corp (4.77%), Vanguard Capital Management, LLC (4.25%), Deerfield Management Co (3.86%), ARK Investment Management LLC (3.78%).

What percentage of CareDx is owned by institutions?

Institutions hold 103.8% of CareDx's shares outstanding; insiders hold 3.10%.

Which funds own CareDx?

The largest fund holders of CareDx are Vanguard MStar Total Stk Mkt Idx Invest (3.01%), ARK Genomic Revolution ETF (2.87%), State Street® SPDR® S&P® Biotech ETF (2.57%), iShares Russell 2000 ETF (2.57%), Baron Discovery Institutional (1.99%).

What is CareDx's short interest?

6.6M shares of CareDx were sold short, 12.97% of the float; at the average daily volume it would take 5.19 days to cover.

Are insiders buying or selling CareDx?

Of the latest 12 reported insider transactions in CareDx (since April 30, 2025), 0 were purchases and 12 were sales.

How many shares of CareDx are outstanding?

CareDx has 51.7M shares outstanding, of which 49.5M are in the public float.

Diagnostics & Research: ownership