Cardinal Health (NYSE: CAH) is a major healthcare services and products company that distributes pharmaceuticals and medical supplies to hospitals, pharmacies, and healthcare providers worldwide. Shares recently traded around $206 per share, giving the company a market capitalization of roughly $48.8B.
After a strong run over the past year, Cardinal Health has benefited from margin improvement, steadier earnings growth, and renewed interest in defensive healthcare distributors. Looking at who owns Cardinal Health and how insiders are trading helps show how large investors appear to be approaching the stock today.
Who Are Cardinal Health’s Top Shareholders?

Cardinal Health’s shareholder base is led by large institutional investors. These firms tend to hold through market cycles, which can help keep long-term ownership stable. Active managers adjusted positions in both directions last quarter, showing a mix of conviction and valuation discipline.
- The Vanguard Group: 30,712,542 shares (12.93%), ~$6.31B value. Added 245,214 shares (+0.80%).
- BlackRock Institutional Trust Company: 15,064,679 shares (6.34%), ~$3.10B value. Added 377,233 shares (+2.57%).
- State Street Investment Management (US): 12,287,733 shares (5.17%), ~$2.53B value. Cut 385,395 shares (-3.04%).
- Geode Capital Management: 6,485,089 shares (2.73%), ~$1.33B value. Added 96,040 shares (+1.50%).
- Wellington Management Company: 5,804,090 shares (2.44%), ~$1.19B value. Added 3,511,579 shares (+153.18%).
- BlackRock Financial Management: 5,689,023 shares (2.39%), ~$1.17B value. Added 679,411 shares (+13.56%).
- Fidelity Management & Research: 4,710,217 shares (1.98%), ~$968M value. Cut 668,673 shares (-12.43%).
- Norges Bank Investment Management: 3,478,693 shares (1.46%), ~$715M value. Added 1,392,384 shares (+66.74%).
- Invesco Capital Management: 2,908,429 shares (1.22%), ~$598M value. Added 331,197 shares (+12.85%).
- BlackRock Investment Management: 2,856,800 shares (1.20%), ~$587M value. Cut 336,167 shares (-10.53%).
For investors, the steady presence of large passive holders provides a stable ownership base, while selective adds and trims from active managers suggest Cardinal Health is increasingly being evaluated through a valuation and risk-management lens after its recent rally.
Hedge Fund Highlights
Squarepoint Ops LLC, led by Alexandru Luchici, increased its Cardinal Health position by about 208%, now holding roughly $174M value. The move appears to reflect growing interest following improving earnings visibility.
Millennium Management, founded by Israel Englander, raised its stake by roughly 55% to around $311M value, which may suggest rising confidence in the company’s margin recovery and defensive earnings profile.
Ensign Peak Advisors, overseen by Clark Tanner, boosted its position by approximately 59%, bringing its holdings to about $40M value. While smaller in dollar terms, the increase looks meaningful relative to its prior exposure.
Renaissance Technologies, founded by Jim Simons, added just over 5%, lifting its position to roughly $109M value. The adjustment appears measured and consistent with incremental positioning rather than a strong directional bet.
For investors, hedge fund activity points to continued engagement with the stock, but position sizing suggests a disciplined and selective approach rather than aggressive accumulation.
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Cardinal Health’s Recent Insider Trades

Recent filings show a mix of equity awards and insider selling, with transactions representing small percentages of total shares outstanding.
- Gregory B. Kenny (Director): Recorded 1,702 shares at $0.
- Jason M. Hollar (Officer): Sold 143,000+ shares at ~$149 to ~$150 across multiple transactions.
- Deborah Weitzman (Officer): Sold 21,367 shares at ~$150.53.
- Multiple directors: Recorded 1,067 shares each at $0.
For investors, it appears insider selling was clustered following a period of strong share price performance, while equity awards point to compensation-related activity rather than a clear signal on operating momentum.
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What the Ownership & Insider Trade Data Tell Us
Cardinal Health’s ownership remains anchored by large institutional investors, providing a stable long-term capital base. Hedge fund positioning shows selective optimism, while insider activity appears cautious but limited in scale.
For investors, the data paints a balanced picture, with ongoing institutional support alongside more measured positioning as valuation considerations become more prominent near recent highs.
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