Quest Diagnostics (QDI) Ownership - Who Owns Quest Diagnostics?
Quest Diagnostics (QDI) Ownership Overview
- 0.45% Insiders
- 29.52% Mutual Funds
- 3.40% Other Institutional Investors
- 29.58% ETFs
- 37.05% Public Companies and Individual Investors
The ownership structure of Quest Diagnostics (CH:QDI) stock is a mix of institutional, retail, and individual investors. Approximately 62.50% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 37.05% is owned by Public Companies and Individual Investors.
The ownership structure of Quest Diagnostics (CH:QDI) stock is a mix of institutional, retail, and individual investors. Approximately 62.50% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 37.05% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
| Date | Name | Activity | Value |
|---|---|---|---|
| Mar 05, 2026 | Karthik Kuppusamy | $538,372 | |
| Nov 27, 2025 | Vicky Gregg | $239,700 | |
| Oct 23, 2025 | Gary Pfeiffer | $270,317 |
Recent Hedge Fund Trading Activity
| Date | Firm | Activity | Value |
|---|---|---|---|
| Dec 31, 2025 | Fisher Asset Management Llc | CHF220,209 | |
| Dec 31, 2025 | Bridgewater Associates, Lp | CHF610,478 | |
| Dec 31, 2025 | First Eagle Investment Management Llc | CHF682,840 | |
| Dec 31, 2025 | Hussman Strategic Advisors Inc | CHF728,826 |
Top Shareholders
| Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| Vanguard | 12,932,532 | Institution | 11.75% | 3,254,238,892 |
| Vanguard Index Funds | 10,674,377 | Institution | 9.70% | 2,686,014,833 |
| Ishares | 7,031,364 | Institution | 6.39% | 1,769,316,186 |
| Spdr | 4,482,256 | Institution | 4.07% | 1,127,879,042 |
| Tye Bousada | 2,247,568 | Institution | 2.04% | 565,560,031 |
| Invesco | 2,081,058 | Institution | 1.89% | 523,660,787 |
| Fidelity Concord Street Trust | 1,928,110 | Institution | 1.75% | 485,174,176 |
| Chris Davis | 1,555,612 | Institution | 1.41% | 391,441,759 |
| Xtrackers | 1,462,545 | Institution | 1.33% | 368,023,123 |
| John Hancock Funds Iii | 1,222,712 | Institution | 1.11% | 307,673,466 |
Top Mutual Fund Holders
| Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| Vanguard Index Funds | 10,674,377 | Institution | 9.70% | 2,686,014,833 |
| Fidelity Concord Street Trust | 1,928,110 | Institution | 1.75% | 485,174,176 |
| John Hancock Funds Iii | 1,222,712 | Institution | 1.11% | 307,673,466 |
| Jpmorgan Trust Ii | 1,176,611 | Institution | 1.07% | 296,072,979 |
| T. Rowe Price Dividend Growth Fund, Inc. | 1,109,242 | Institution | 1.01% | 279,120,783 |
| Victory Portfolios | 1,055,505 | Institution | 0.96% | 265,598,834 |
| Fidelity Puritan Trust | 1,041,796 | Institution | 0.95% | 262,149,211 |
| J.p. Morgan Fleming Mutual Fund Group, Inc. | 787,236 | Institution | 0.72% | 198,093,769 |
| T. Rowe Price U.s. Large-cap Core Fund, Inc. | 781,314 | Institution | 0.71% | 196,603,604 |
| Fidelity Salem Street Trust | 756,152 | Institution | 0.69% | 190,272,040 |
FAQ
Who Owns Quest Diagnostics (CH:QDI)?
According to the latest TipRanks data, approximately 62.50% of the company's stock is held by institutional investors, 0.45% is held by insiders, and 37.05% is held by public companies and individual investors.
What percentage of Quest Diagnostics (CH:QDI) stock is held by institutional investors?
According to the latest TipRanks data, approximately 62.50% of Quest Diagnostics (CH:QDI) stock is held by institutional investors: 29.52% by mutual funds, 29.58% by ETFs and 3.40% by other institutional investors.
What percentage of Quest Diagnostics (CH:QDI) stock is held by retail investors?
According to the latest TipRanks data, approximately 37.05% of Quest Diagnostics (CH:QDI) stock is held by public companies and individual investors.
Who owns the most shares of Quest Diagnostics (CH:QDI)?
Vanguard owns the most shares of Quest Diagnostics (CH:QDI).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.