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Security record

DGX

Quest Diagnostics Incorporated · Healthcare · Medical - Diagnostics & Research

230.97 +0.1% mkt cap $25.49B quote delayed (FMP) · as of Oct 11 03:53 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
155Tracked holders
+1Δ holders
78.02MShares held
$16.53BReported value
+7New positions
−5Exits
Stable Conviction score 44/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +0.6% · share flow +0.4% · net new positions +1.3% — formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 155 +1 78.02M $16.53B +7 −5
Q1 2026 156 -1 76.50M $14.98B +4 −6
Q4 2025 156 +4 87.42M $15.15B +5 —
Q3 2025 16 -1 54.97M $10.47B — −2
Q2 2025 15 -3 44.54M $8.00B — −3
Q1 2025 15 +2 17.80M $3.01B +3 −1
Q4 2024 13 -2 18.37M $2.77B — −2
Q3 2024 14 -1 12.70M $1.97B — −1
Q2 2024 15 — 9.75M $1.33B — —
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 9.28M +1.1% $1.97B 0.0% ▲ Add 5 SEC ↗ ×20
2 Vanguard Capital Management Llc 7.23M +1.2% $1.53B 0.0% ▲ Add 2 SEC ↗
3 State Street Global Advisors ✦ (passive) 5.52M +2.5% $1.17B 0.0% ▲ Add 7 SEC ↗
4 T. Rowe Price ✦ 5.44M -13.5% $1.15B 0.1% ▼ Trim 9 SEC ↗ ×2
5 Boston Partners 4.74M +18.2% $1.00B 0.9% ▲ Add 3 SEC ↗ ×4
6 JPMorgan Chase ✦ 3.52M -8.5% $748.59M 0.0% ▼ Trim 4 SEC ↗ ×19
7 Geode Capital Management ✦ (passive) 3.14M +1.7% $662.58M 0.0% ▲ Add 9 SEC ↗ ×2
8 Morgan Stanley ✦ 2.46M -0.8% $521.50M 0.0% ▼ Trim 4 SEC ↗ ×17
9 Dimensional Fund Advisors Lp 1.99M +2.0% $421.38M 0.1% ▲ Add 3 SEC ↗ ×5
10 Bank Of America Corp /De/ 1.94M +10.4% $410.15M 0.0% ▲ Add 3 SEC ↗ ×7
11 Grantham, Mayo, Van Otterloo & Co.… 1.89M +0.3% $400.21M 0.9% ▲ Add 3 SEC ↗
12 Wells Fargo & Company/Mn 1.75M -0.7% $371.17M 0.1% ▼ Trim 3 SEC ↗ ×6
13 Victory Capital Management Inc 1.55M -16.0% $328.64M 0.2% ▼ Trim 3 SEC ↗ ×3
14 Norges Bank ✦ (passive) 1.41M New $298.13M 0.0% New 1 SEC ↗
15 Fidelity (FMR) ✦ 1.40M +48.5% $296.46M 0.0% ▲ Add 5 SEC ↗ ×6
16 Invesco Ltd. 1.38M -15.8% $292.30M 0.0% ▼ Trim 3 SEC ↗ ×17
17 Northern Trust Corp 1.13M +1.2% $238.96M 0.0% ▲ Add 3 SEC ↗ ×11
18 Goldman Sachs Group ✦ 982.69K -27.1% $208.28M 0.0% ▼ Trim 4 SEC ↗ ×4
19 UBS AM, a distinct business unit of… 942.41K +11.3% $199.74M 0.0% ▲ Add 3 SEC ↗ ×11
20 UBS Group AG 888.91K +26.6% $188.40M 0.0% ▲ Add 3 SEC ↗ ×4
21 American Century Companies Inc 818.22K -5.7% $173.42M 0.1% ▼ Trim 3 SEC ↗
22 Charles Schwab Investment… 773.71K +1.7% $163.99M 0.0% ▲ Add 3 SEC ↗ ×2
23 Ameriprise Financial Inc 759.98K -5.9% $161.08M 0.0% ▼ Trim 3 SEC ↗ ×8
24 Legal & General Group Plc 717.09K -2.6% $151.99M 0.0% ▼ Trim 3 SEC ↗ ×3
25 Bank of New York Mellon Corp 629.34K -4.1% $133.39M 0.0% ▼ Trim 3 SEC ↗ ×18
26 Deutsche Bank Ag\ 585.89K +6.3% $124.18M 0.0% ▲ Add 3 SEC ↗ ×10
27 Alliancebernstein L.P. 625.89K -8.1% $122.66M 0.0% ▼ Trim 3 SEC ↗
28 Nuveen, LLC 563.83K +21.1% $119.50M 0.0% ▲ Add 3 SEC ↗ ×4
29 Principal Financial Group Inc 517.23K -1.7% $109.63M 0.1% ▼ Trim 3 SEC ↗ ×3
30 Raymond James Financial Inc 505.76K +10.3% $107.20M 0.0% ▲ Add 3 SEC ↗ ×5
31 Amundi 498.75K +22.1% $105.71M 0.0% ▲ Add 3 SEC ↗ ×4
32 Barclays Plc 448.73K -20.6% $95.11M 0.0% ▼ Trim 3 SEC ↗ ×5
33 Envestnet Asset Management Inc 428.56K +3.9% $90.83M 0.0% ▲ Add 3 SEC ↗
34 Schroder Investment Management Group 417.71K +41.6% $88.82M 0.1% ▲ Add 2 SEC ↗ ×3
35 Bnp Paribas Financial Markets 395.25K +46.2% $83.77M 0.0% ▲ Add 3 SEC ↗
36 Pacer Advisors, Inc. 382.00K -10.3% $80.96M 0.2% ▼ Trim 3 SEC ↗
37 Qube Research & Technologies Ltd 343.40K -53.3% $72.78M 0.1% ▼ Trim 3 SEC ↗
38 Mackenzie Financial Corp 333.30K +163.4% $70.64M 0.1% ▲ Add 3 SEC ↗
39 Citigroup Inc 315.58K +9.9% $66.89M 0.0% ▲ Add 3 SEC ↗ ×3
40 Swiss National Bank 309.90K -5.1% $65.68M 0.0% ▼ Trim 3 SEC ↗
41 First Trust Advisors Lp 290.97K -11.6% $61.67M 0.0% ▼ Trim 3 SEC ↗ ×2
42 BNP Paribas Asset Management… 280.32K +21.4% $59.41M 0.1% ▲ Add 3 SEC ↗ ×2
43 Balyasny Asset Management L.P. 275.37K +9402.1% $58.36M 0.1% ▲ Add 3 SEC ↗
44 Marshall Wace ✦ 269.76K +34.7% $57.18M 0.0% ▲ Add 9 SEC ↗ ×3
45 Mitsubishi UFJ Asset Management… 268.35K +6.7% $56.88M 0.0% ▲ Add 3 SEC ↗
46 Rhumbline Advisers 267.73K +1.7% $56.74M 0.0% ▲ Add 3 SEC ↗
47 Sumitomo Mitsui Trust Group, Inc. 258.60K -2.3% $54.81M 0.0% ▼ Trim 3 SEC ↗
48 Quantinno Capital Management LP 252.92K +9.5% $53.61M 0.1% ▲ Add 3 SEC ↗
49 FIL Ltd 251.98K +191.1% $53.41M 0.0% ▲ Add 3 SEC ↗ ×3
50 Bank Of Montreal /Can/ 243.65K +15.8% $51.64M 0.0% ▲ Add 3 SEC ↗ ×8
51 Nomura Asset Management… 232.80K +9.7% $49.34M 0.1% ▲ Add 3 SEC ↗
52 Hsbc Holdings Plc 224.99K +15.3% $47.78M 0.0% ▲ Add 3 SEC ↗ ×8
53 Royal Bank Of Canada 219.61K +10.6% $46.55M 0.0% ▲ Add 3 SEC ↗ ×8
54 Voya Investment Management Llc 211.50K +13.6% $44.83M 0.0% ▲ Add 3 SEC ↗ ×3
55 PFA Pension, Forsikringsaktieselskab 205.61K New $43.58M 0.1% New 1 SEC ↗
56 California Public Employees… 196.15K -17.5% $41.57M 0.0% ▼ Trim 3 SEC ↗
57 Focus Partners Wealth 163.33K +8.3% $34.62M 0.0% ▲ Add 3 SEC ↗
58 Storebrand Asset Management As 160.97K +14.5% $34.12M 0.1% ▲ Add 3 SEC ↗
59 Credit Agricole S A 155.44K +4.6% $32.95M 0.1% ▲ Add 3 SEC ↗ ×7
60 LPL Financial LLC 143.08K +29.2% $30.33M 0.0% ▲ Add 3 SEC ↗
61 Citadel Advisors ✦ 133.21K -61.6% $28.23M 0.0% ▼ Trim 6 SEC ↗ ×2
62 Stifel Financial Corp 123.22K +10.0% $26.12M 0.0% ▲ Add 3 SEC ↗ ×5
63 Franklin Resources Inc 120.97K -0.6% $25.64M 0.0% ▼ Trim 3 SEC ↗ ×9
64 Squarepoint Ops LLC 117.83K -65.9% $24.97M 0.0% ▼ Trim 3 SEC ↗
65 Gotham Asset Management ✦ 117.53K -10.1% $24.91M 0.1% ▼ Trim 9 SEC ↗
66 National Bank Of Canada /Fi/ 117.00K +139.0% $24.79M 0.0% ▲ Add 3 SEC ↗ ×5
67 Universal- Beteiligungs- und… 116.37K -11.8% $24.61M 0.0% ▼ Trim 3 SEC ↗
68 Healthcare Of Ontario Pension Plan… 115.92K -32.2% $24.57M 0.0% ▼ Trim 3 SEC ↗
69 Robeco Institutional Asset… 112.55K +0.1% $23.85M 0.0% ▲ Add 3 SEC ↗
70 Adage Capital Partners ✦ 106.30K New $22.53M 0.0% New 1 SEC ↗
71 Sei Investments Co 105.42K +32.5% $22.34M 0.0% ▲ Add 3 SEC ↗ ×3
72 Mercer Global Advisors Inc /Adv 104.30K +2.4% $22.11M 0.0% ▲ Add 3 SEC ↗
73 Russell Investments Group, Ltd. 102.29K +7.4% $21.69M 0.0% ▲ Add 3 SEC ↗ ×11
74 Manufacturers Life Insurance… 99.77K +9.6% $21.15M 0.0% ▲ Add 3 SEC ↗
75 Swedbank AB 97.59K +4.0% $20.68M 0.0% ▲ Add 3 SEC ↗ ×2
76 Aviva Plc 96.15K -1.2% $20.38M 0.0% ▼ Trim 3 SEC ↗
77 Captrust Financial Advisors 95.05K +1.9% $20.15M 0.0% ▲ Add 3 SEC ↗
78 Lazard Asset Management Llc 94.53K +94.6% $20.04M 0.0% ▲ Add 3 SEC ↗
79 Blair William & Co/Il 93.29K +1.4% $19.77M 0.1% ▲ Add 3 SEC ↗
80 State Board Of Administration Of… 92.54K -2.8% $19.61M 0.0% ▼ Trim 3 SEC ↗
81 Wellington Management ✦ 87.57K -3.5% $18.56M 0.0% ▼ Trim 9 SEC ↗ ×2
82 Aberdeen Group plc 83.09K -23.5% $17.61M 0.0% ▼ Trim 3 SEC ↗ ×2
83 Chevy Chase Trust Holdings, LLC 80.87K -1.3% $17.14M 0.0% ▼ Trim 3 SEC ↗ ×2
84 CIBC Asset Management Inc 78.67K +7.9% $16.67M 0.0% ▲ Add 3 SEC ↗
85 Mitsubishi UFJ Trust & Banking Corp 78.12K +2.2% $16.56M 0.0% ▲ Add 3 SEC ↗
86 Nordea Investment Management Ab 73.24K +11.0% $15.50M 0.0% ▲ Add 3 SEC ↗ ×3
87 State Of Wisconsin Investment Board 70.10K -4.4% $14.86M 0.0% ▼ Trim 3 SEC ↗
88 Pictet Asset Management Holding SA 69.23K -32.4% $14.67M 0.0% ▼ Trim 3 SEC ↗
89 Danske Bank A/S 68.56K -2.0% $14.53M 0.0% ▼ Trim 3 SEC ↗ ×2
90 HighTower Advisors, LLC 67.69K +12.8% $14.35M 0.0% ▲ Add 3 SEC ↗
91 Td Asset Management Inc 63.27K +9.8% $13.41M 0.0% ▲ Add 3 SEC ↗
92 AQR Capital Management ✦ 61.20K +21.7% $12.92M 0.0% ▲ Add 9 SEC ↗ ×6
93 Prudential Financial Inc 60.13K +8.4% $12.75M 0.0% ▲ Add 3 SEC ↗ ×2
94 Asset Management One Co., Ltd. 55.75K +17.8% $11.82M 0.0% ▲ Add 3 SEC ↗
95 Neuberger Berman Group LLC 53.22K +30.9% $11.28M 0.0% ▲ Add 3 SEC ↗ ×2
96 Royal London Asset Management Ltd 51.49K -0.1% $10.91M 0.0% ▼ Trim 3 SEC ↗
97 New York State Common Retirement… 50.86K -3.8% $10.78M 0.0% ▼ Trim 3 SEC ↗
98 Nomura Asset Management Co Ltd 48.12K -1.5% $10.20M 0.0% ▼ Trim 3 SEC ↗
99 Korea Investment CORP 46.83K -11.5% $9.93M 0.0% ▼ Trim 3 SEC ↗
100 National Pension Service 46.07K -2.2% $9.76M 0.0% ▼ Trim 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Norges Bank $298.13M 0.0%
PFA Pension… $43.58M 0.1%
Adage Capital Partners $22.53M 0.0%

Exited

Tudor Investment Corp Et Al $3.57M was 0.0%
Arrowstreet Capital $2.25M was 0.0%
IMC-Chicago, LLC $1.02M was 0.0%
Group One Trading Llc $188,337 was 0.0%
Walleye Trading LLC $107,593 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 41.40K shares, $8,113 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Sep 01 Davis J. E.

Officer, Director · 10.00K sh · $2.43M

Aug 28 PREVOZNIK MICHAEL E

Officer · 16.01K sh · $3.89M

Aug 28 PREVOZNIK MICHAEL E

Officer · 6.24K sh · $1.52M

Aug 28 PREVOZNIK MICHAEL E

Officer · 430 sh · $105,141

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — PRICE T ROWE ASSOCIATES INC /MD/

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API