QUEST DIAGNOSTICS INC (DGX): Institutional Ownership
Hedge funds and institutional managers reporting a position in DGX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
23
13F filers
Aggregate Value
$645.4M
Across holders
Last Price
$209.88
2026-06-26
Sector
Health Care
GICS
Holder activity8 new6 added8 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 1.88M | $369.0M | 57.2% | 0.9% | Added | +$13.1M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 735K | $144.0M | 22.3% | 0.2% | Added | +$247K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 314K | $61.5M | 9.5% | 0.0% | Added | +$55.2M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 131K | $25.6M | 4.0% | 0.1% | Added | +$10.1M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 73K | $12.3M | 1.9% | 0.0% | New | — | Q1 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 48K | $8.3M | 1.3% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 25K | $4.6M | 0.7% | 0.0% | New | — | Q2 2025 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 23K | $4.0M | 0.6% | 0.0% | New | — | Q4 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 18K | $3.6M | 0.6% | 0.0% | Added | +$3.0M | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 14K | $2.8M | 0.4% | 0.0% | Reduced | $-2.8M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 13K | $2.6M | 0.4% | 0.0% | Reduced | $-15.6M | Q1 2026 |
| Bridgewater Advisors Inc. CIK 0001600319 | Hedge Fund | 13K | $2.2M | 0.3% | 0.5% | New | — | Q4 2021 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 5K | $833K | 0.1% | 0.0% | New | — | Q4 2025 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 3K | $680K | 0.1% | 0.0% | Reduced | $-9K | Q1 2026 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 4K | $672K | 0.1% | 0.0% | New | — | Q3 2025 |
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 3K | $588K | 0.1% | 0.0% | Reduced | $-183K | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 3K | $568K | 0.1% | 0.0% | Added | +$242K | Q1 2026 |
| MAVERICK CAPITAL LTD CIK 0000934639 | Hedge Fund | 3K | $540K | 0.1% | 0.0% | Reduced | $-4.1M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 2K | $435K | 0.1% | 0.0% | Reduced | $-3.3M | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 2K | $354K | 0.1% | 0.0% | Reduced | $-2.0M | Q1 2026 |
Added
Institutional Manager
$369.0M· 57.2% of total· 0.9% port· 1.88M sh· +$13.1M QoQ· Q1 2026
Added
Hedge Fund
$144.0M· 22.3% of total· 0.2% port· 735K sh· +$247K QoQ· Q1 2026
Added
Hedge Fund
$61.5M· 9.5% of total· 0.0% port· 314K sh· +$55.2M QoQ· Q1 2026
Added
Hedge Fund
$25.6M· 4.0% of total· 0.1% port· 131K sh· +$10.1M QoQ· Q1 2026
New
Hedge Fund
$12.3M· 1.9% of total· 0.0% port· 73K sh· — QoQ· Q1 2025
New
Hedge Fund
$8.3M· 1.3% of total· 0.0% port· 48K sh· — QoQ· Q4 2025
New
Hedge Fund
$4.6M· 0.7% of total· 0.0% port· 25K sh· — QoQ· Q2 2025
New
Hedge Fund
$4.0M· 0.6% of total· 0.0% port· 23K sh· — QoQ· Q4 2025
Added
Hedge Fund
$3.6M· 0.6% of total· 0.0% port· 18K sh· +$3.0M QoQ· Q1 2026
Reduced
Hedge Fund
$2.8M· 0.4% of total· 0.0% port· 14K sh· $-2.8M QoQ· Q1 2026
Reduced
Hedge Fund
$2.6M· 0.4% of total· 0.0% port· 13K sh· $-15.6M QoQ· Q1 2026
New
Hedge Fund
$2.2M· 0.3% of total· 0.5% port· 13K sh· — QoQ· Q4 2021
New
Hedge Fund
$833K· 0.1% of total· 0.0% port· 5K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$680K· 0.1% of total· 0.0% port· 3K sh· $-9K QoQ· Q1 2026
New
Hedge Fund
$672K· 0.1% of total· 0.0% port· 4K sh· — QoQ· Q3 2025
Reduced
Institutional Manager
$588K· 0.1% of total· 0.0% port· 3K sh· $-183K QoQ· Q1 2026
Added
Hedge Fund
$568K· 0.1% of total· 0.0% port· 3K sh· +$242K QoQ· Q1 2026
Reduced
Hedge Fund
$540K· 0.1% of total· 0.0% port· 3K sh· $-4.1M QoQ· Q1 2026
Reduced
Hedge Fund
$435K· 0.1% of total· 0.0% port· 2K sh· $-3.3M QoQ· Q1 2026
Reduced
Hedge Fund
$354K· 0.1% of total· 0.0% port· 2K sh· $-2.0M QoQ· Q1 2026
New
Institutional Manager
$220K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q4 2025
Unchanged
Hedge Fund
$75K· 0.0% of total· 0.0% port· 381 sh· +$0 QoQ· Q1 2026
Reduced
Hedge Fund
$31K· 0.0% of total· 0.0% port· 156 sh· $-85K QoQ· Q1 2026
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