Quest Diagnostics Inc. 13F holders
Of the 44 funds followed here, 7 reported a position in Quest Diagnostics Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 3.1 million shares worth $662.6 million, 0.0% of its reported book. New this quarter: Point72 Asset Management.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 3,137,873 | $662.6 million | 0.0% | +51,565 | added | 30 June 2026 | 13F |
| Norges Bank | 1,406,620 | $298.1 million | 0.0% | held | 30 June 2026 | 13F | |
| FMR LLC | 1,398,735 | $296.5 million | 0.0% | +456,517 | added | 30 June 2026 | 13F |
| Citadel Advisors | 277,211 | $58.8 million | 0.0% | -212,307 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 24,434 | $5.2 million | 0.0% | -37,632 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 23,380 | $5.0 million | 0.0% | +23,380 | new | 30 June 2026 | 13F |
| Bridgewater Associates | 3,756 | $796,084 | 0.0% | +285 | added | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G/A | T. Rowe Price Associates, Inc. and 1 other | 5.4 million | 4.9% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 8.3 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 6.1 million | 5.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 28 August 2026 | 28 | $244.61 | SEC |
| 25 August 2026 | 53 | $243.87 | SEC |
| 24 August 2026 | 191 | $244.39 | SEC |
| 20 August 2026 | 2,302 | $241.76 | SEC |
| 18 August 2026 | 754 | $235.52 | SEC |
| 7 August 2026 | 1 | $238.50 | SEC |
| 3 August 2026 | 2,118 | $233.01 | SEC |
| 29 July 2026 | 20 | $235.94 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 2,302 on 20 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to DGX by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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