Quest Diagnostics Inc
Held by 12 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 74834L100 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns DGX?
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Who owns DGX? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
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| # | Manager | Fund | Shares | Value ↓ | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 6 | Steve Cohen | Point72 Asset Management | 23.38K | $4.96M | 0.0% | New | +23.4K | — | +$4.96M |
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No tracked manager sold out of this stock this quarter.
Politician trades
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| Politician | Date | Ticker | Asset | Type | Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. | Est. size ⓘOur estimate only: the midpoint of the reported range. | Owner | Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. | Filed ↓ | Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ro Khanna Politician | Sep 4, 2026 | DGX | QUEST DIAGNOSTICS INCORPORATED cMN x scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | — | — | Oct 7, 2026 | 33 days | PTR ↗ |
| Carol D. Miller Politician | Mar 10, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Sale | $15,001 - $50,000 | Est. $32,500 (midpoint of reported range $15,001–$50,000) | Spouse | United Bank Brokerage Account | Aug 13, 2026 | 521 days Late | PTR ↗ |
| Julie Johnson Politician | Oct 30, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Joint | — | Aug 5, 2026 | 279 days Late | PTR ↗ |
| Julie Johnson Politician | Oct 30, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Joint | Merrill Lynch Long Term Growth | Aug 5, 2026 | 279 days Late | PTR ↗ |
| Ro Khanna Politician | Jan 29, 2026 | DGX | QUEST DIAGNOSTICS INCORPORATED C scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Feb 6, 2026 | 8 days | PTR ↗ |
| Julia Letlow Politician | Apr 28, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Merrill Lynch Investment Account #025 | Jan 13, 2026 | 260 days Late | PTR ↗ |
| Julia Letlow Politician | Jul 24, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Merrill Lynch Investment Account #025 | Jan 13, 2026 | 173 days Late | PTR ↗ |
| Julie Johnson Politician | Nov 3, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Joint | Merrill Lynch Long Term Growth | Dec 11, 2025 | 38 days | PTR ↗ |
| Carol D. Miller Politician | Mar 10, 2025 | DGX | Quest Diagnostics Incorporated Common Stock (DGX) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Matt Miller Investment Management Account | Apr 11, 2025 | 32 days | PTR ↗ |
| Gil Cisneros Politician | Jan 24, 2025 | DGX | Quest Diagnostics Incorporated | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | — | Feb 11, 2025 | 18 days | PTR ↗ |
| Ro Khanna Politician | Jan 17, 2025 | DGX | QUEST DIAGNOSTICS INCORPORATED CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Feb 6, 2025 | 20 days | PTR ↗ |
| Ro Khanna Politician | Dec 18, 2024 | DGX | QUEST DIAGNOSTICS INCORPORATED CMN scanned | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | — | — | Jan 8, 2025 | 21 days | PTR ↗ |
| Ro Khanna Politician | Dec 16, 2024 | DGX | QUEST DIAGNOSTICS INCORPORATED CMN scanned | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | — | — | Jan 8, 2025 | 23 days | PTR ↗ |
| Ro Khanna Politician | Nov 12, 2024 | DGX | QUEST DIAGNOSTICS INCORPORATED cMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Dec 5, 2024 | 23 days | PTR ↗ |