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Quest Diagnostics (DGX) Institutional Ownership

Quest Diagnostics logo
$243.75 -0.64 (-0.26%)
As of 11:35 AM Eastern
This is a fair market value price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Quest Diagnostics (NYSE:DGX)

Current
Institutional Ownership
Percentage
88.06%
Number of
Institutional Buyers
(last 12 months)
623
Total
Institutional Inflows
(last 12 months)
$13.57B
Number of
Institutional Sellers
(last 12 months)
406
Total
Institutional Outflows
(last 12 months)
$1.95B
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DGX Institutional Buying and Selling by Quarter

Quest Diagnostics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/24/2026California State Teachers Retirement System37,043,773$7.85B0.0%+22,733.0%33.562%
8/23/2026 Ameritas Advisory Services LLC211$45K0.0%N/A0.000%
8/23/2026 Wedmont Private Capital3,120$647K0.0%+2.8%0.003%
8/23/2026 HB Wealth Management LLC12,123$2.57M0.0%+0.7%0.011%
8/23/2026 Saudi Central Bank7,691$1.63M0.0%+87.3%0.007%
8/22/2026 Strive Financial Group LLC279$59K0.0%-33.6%0.000%
8/22/2026 Munich Reinsurance Co Stock Corp in Munich24,324$5.16M0.1%+72.1%0.022%
8/22/2026 Raiffeisen Bank International AG239$51K0.0%+162.6%0.000%
8/22/2026 Syon Capital LLC3,595$762K0.0%+25.4%0.003%
8/22/2026 TD Waterhouse Canada Inc.37,951$8.20M0.0%+1.6%0.034%
8/22/2026 Concurrent Investment Advisors LLC5,183$1.10M0.0%+1.2%0.005%
8/22/2026 Prosperitas Financial LLC1,583$336K0.1%N/A0.001%
8/22/2026 NEOS Investment Management LLC17,210$3.65M0.0%+13.9%0.016%
8/22/2026 Power Wealth Management LLC1,000$212K0.1%N/A0.001%
8/21/2026 AXQ Capital LP1,697$360K0.0%N/A0.002%
8/21/2026 Braidwell LP43,200$9.16M0.3%N/A0.039%
8/21/2026 Continuum Advisory LLC611$130K0.0%N/A0.001%
8/21/2026 Nykredit A S33,940$7.19M0.0%N/A0.031%
8/21/2026 B. Metzler seel. Sohn & Co. AG10,247$2.17M0.0%+3.2%0.009%
8/21/2026 PFG Private Wealth Management LLC1,453$308K0.1%+5.1%0.001%
8/20/2026 Proficio Capital Partners LLC957$203K0.0%N/A0.001%
8/20/2026 Railway Pension Investments Ltd66,000$13.99M0.2%+91.3%0.060%
8/20/2026 Ancora Advisors LLC137$29K0.0%-64.0%0.000%
8/20/2026 Benjamin Edwards Inc.7,447$1.58M0.0%-9.2%0.007%
8/20/2026 Cookson Peirce & Co. Inc.155,589$32.98M1.1%-0.5%0.141%
8/20/2026 Northwestern Mutual Wealth Management Co.26,801$5.68M0.0%+22.0%0.024%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC942,407$199.74M0.0%+11.3%0.854%
8/19/2026 New Mexico Educational Retirement Board5,503$1.17M0.0%+7.8%0.005%
8/19/2026 Royal London Asset Management Ltd.51,492$10.91M0.0%-0.2%0.047%
8/19/2026 Toth Financial Advisory Corp32,530$6.90M0.7%+9.3%0.029%
8/19/2026 Mufg Securities Americas Inc.3,334$707K0.0%+9.5%0.003%
8/19/2026 Nissay Asset Management Corp Japan14,901$3.16M0.0%+2.2%0.014%
8/19/2026 Braun Stacey Associates Inc.154,396$32.72M0.9%-1.6%0.140%
8/19/2026 Hsbc Holdings PLC224,986$47.79M0.0%+15.3%0.204%
8/19/2026 Prosperitas Financial LLC1,583$336K0.1%N/A0.001%
8/19/2026 Wellington Management Group LLP87,570$18.56M0.0%-3.5%0.079%
8/19/2026 Archer Investment Corp232$49K0.0%N/A0.000%
8/18/2026 Beacon Pointe Advisors LLC3,169$671K0.0%N/A0.003%
8/18/2026 Livforsakringsbolaget Skandia Omsesidigt889$188K0.0%N/A0.001%
8/18/2026 Rakuten Investment Management Inc.18,058$3.84M0.0%N/A0.016%
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8/18/2026 Empowered Funds LLC10,624$2.25M0.0%N/A0.010%
8/18/2026 United Capital Financial Advisors LLC4,185$887K0.0%N/A0.004%
8/18/2026 Bank OZK15,322$3.25M1.0%N/A0.014%
8/18/2026 Old North State Trust LLC2,082$441K0.2%N/A0.002%
8/18/2026Jefferies Financial Group Inc.17,375$3.68M0.0%N/A0.016%
8/18/2026 Public Employees Retirement System of Ohio66,246$14.04M0.0%N/A0.060%
8/17/2026 Capstone Investment Advisors LLC2,836$601K0.0%N/A0.003%
8/17/2026 Proficio Capital Partners LLC957$203K0.0%N/A0.001%
8/17/2026 Transamerica Financial Advisors LLC3,969$841K0.1%N/A0.004%
8/17/2026 Corient Private Wealth LP38,912$8.25M0.0%N/A0.035%
8/17/2026 Artia Global Partners LP65,122$13.80M2.5%N/A0.059%
8/17/2026 Bank of America Corp DE1,935,133$410.15M0.0%N/A1.753%
8/15/2026 Caisse de depot et placement du Quebec2,045$433K0.0%N/A0.002%
8/15/2026 Man Group plc2,336$495K0.0%N/A0.002%
8/15/2026 Roberts Glore & Co. Inc. IL11,349$2.41M0.6%N/A0.010%
8/15/2026 Jupiter Topco LLC10,393$2.20M0.0%N/A0.009%
8/14/2026 Hsbc Holdings PLC224,986$47.79M0.0%N/A0.204%
8/14/2026 Ancora Advisors LLC137$29K0.0%N/A0.000%
8/14/2026 Canada Pension Plan Investment Board4,600$975K0.0%N/A0.004%
8/14/2026 Castleark Management LLC31,480$6.67M0.2%N/A0.029%
8/14/2026 Legal & General Group Plc717,085$151.99M0.0%N/A0.650%
8/14/2026 The Manufacturers Life Insurance Company 99,770$21.15M0.0%N/A0.090%
8/14/2026 Manning & Napier Advisors LLC3,663$779K0.0%N/A0.003%
8/14/2026 Vega Investment Solutions7,071$1.50M0.2%N/A0.006%
8/13/2026 Cibc World Market Inc.7,488$1.59M0.0%N/A0.007%
8/13/2026 OMERS ADMINISTRATION Corp6,614$1.40M0.0%N/A0.006%
8/13/2026 Osmosis Investment Management UK Ltd2,358$500K0.0%N/A0.002%
8/13/2026 Sanctuary Advisors LLC26,825$5.69M0.0%N/A0.024%
8/13/2026 Jericho Financial LLP1,622$344K0.2%N/A0.001%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.3,113$660K0.0%N/A0.003%
8/13/2026 Meiji Yasuda Asset Management Co Ltd.2,943$624K0.0%N/A0.003%
8/13/2026 Te Ahumairangi Investment Management Ltd30,621$6.49M1.0%N/A0.028%
8/13/2026 Twin Tree Management LP2,097$444K0.0%N/A0.002%
8/13/2026 Bank of Nova Scotia13,561$2.87M0.0%N/A0.012%
8/12/2026 Elevation Point Wealth Partners LLC6,487$1.38M0.0%N/A0.006%
8/12/2026 Daiichi Life Insurance Co. Ltd.7,033$1.49M0.0%N/A0.006%
8/12/2026 Commerce Bank38,935$8.25M0.0%N/A0.035%
8/12/2026 Northwestern Mutual Wealth Management Co.26,801$5.68M0.0%N/A0.024%
8/12/2026 Westpac Banking Corp294$62K0.0%N/A0.000%
8/12/2026 Korea Investment CORP46,829$9.93M0.0%N/A0.042%
8/12/2026 EP Wealth Advisors LLC3,498$741K0.0%N/A0.003%
8/12/2026 Callan Family Office LLC5,868$1.24M0.0%N/A0.005%
8/12/2026 Heartland Advisors Inc.45,311$9.60M0.4%N/A0.041%
8/11/2026 Keating Financial Advisory Services Inc.772$164K0.0%N/A0.001%
8/11/2026 OneAscent Financial Services LLC1,300$276K0.0%N/A0.001%
8/11/2026 Allworth Financial LP1,675$355K0.0%N/A0.002%
8/11/2026 Greenspring Advisors LLC2,448$519K0.0%N/A0.002%
8/11/2026 B. Metzler seel. Sohn & Co. AG10,247$2.17M0.0%N/A0.009%
8/11/2026 Ceredex Value Advisors LLC106,581$22.59M0.6%N/A0.097%
8/11/2026 Portfolio Design Labs LLC1,226$260K0.0%N/A0.001%
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8/11/2026 SGL Investment Advisors Inc.27,290$6.49M2.2%N/A0.025%
8/11/2026 Advisors Capital Management LLC327,575$69.43M0.7%N/A0.297%
8/11/2026 Trillium Asset Management LLC25,644$5.44M0.2%N/A0.023%
8/11/2026 Glaxis Capital Management LLC5,500$1.17M2.3%N/A0.005%
8/11/2026 Vise Technologies Inc.3,611$765K0.0%N/A0.003%
8/11/2026 E Fund Management Co. Ltd.1,843$391K0.0%N/A0.002%
8/11/2026 Frazier Financial Advisors LLC166$35K0.0%N/A0.000%
8/11/2026 Edmond DE Rothschild Holding S.A.4,452$944K0.0%N/A0.004%
8/10/2026 Tocqueville Asset Management L.P.106,964$22.67M0.3%N/A0.097%
8/10/2026 Danica Pension Livsforsikringsaktieselskab10,653$2.26M0.0%N/A0.010%


DGX Institutional Ownership - Frequently Asked Questions

During the previous two years, 1,059 institutional investors and hedge funds held shares of Quest Diagnostics. The most heavily invested institutionals were California State Teachers Retirement System ($7.85B), Vanguard Group Inc. ($2.50B), BlackRock Inc. ($1.97B), Price T Rowe Associates Inc. MD ($1.09B), State Street Corp ($934.03M), JPMorgan Chase & Co. ($719.44M), and Boston Partners ($680.02M).Learn more on Quest Diagnostics' institutional investors.

88.06% of Quest Diagnostics' stock is owned by institutional investors. Learn more on DGX's institutional investor holdings.

Of the 912 institutional investors that purchased Quest Diagnostics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: California State Teachers Retirement System ($36.90M), BlackRock Inc. ($9.28M), Boston Partners ($4.78M), Norges Bank ($3.92M), Bank of America Corp DE ($2.53M), EdgePoint Investment Group Inc. ($2.24M), and Price T Rowe Associates Inc. MD ($2.13M).

Institutional investors have bought a total of 65,937,580 shares in the last 24 months. This purchase volume represents approximately $13.57B in transactions.

Of the 406 institutional investors that sold Quest Diagnostics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($1.50M), Price T Rowe Associates Inc. MD ($708.83K), Victory Capital Management Inc. ($682.80K), Alliancebernstein L.P. ($607.08K), Marshall Wace LLP ($463.94K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($369.57K), and UBS Group AG ($314.19K).

Institutional investors have sold a total of 10,717,447 shares in the last 24 months. This volume of shares sold represents approximately $1.95B in transactions.


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Institutional ownership data for NYSE:DGX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/24/2026. New 13F filings are added each quarter as they're published.
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