DGX icon

Quest Diagnostics

953 hedge funds and large institutions have $17.2B invested in Quest Diagnostics in 2025 Q1 according to their latest regulatory filings, with 143 funds opening new positions, 312 increasing their positions, 332 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

6% less repeat investments, than reductions

Existing positions increased: 312 | Existing positions reduced: 332

39% less call options, than puts

Call options by funds: $83.5M | Put options by funds: $136M

Holders
953
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$83.5M
Puts
$136M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SEI Investments
76
SEI Investments
Pennsylvania
$24.8M
AAMU
77
AEGON Asset Management (UK)
United Kingdom
$24.1M
Citigroup
78
Citigroup
New York
$23.8M
AIM
79
Achmea Investment Management
Netherlands
$23.1M
VRS
80
Virginia Retirement Systems
Virginia
$23M
Citadel Advisors
81
Citadel Advisors
Florida
$23M
Skandinaviska Enskilda Banken (SEB)
82
Skandinaviska Enskilda Banken (SEB)
Sweden
$22.5M
Stifel Financial
83
Stifel Financial
Missouri
$21.3M
8KM
84
8 Knots Management
Texas
$20.9M
Robeco Institutional Asset Management
85
Robeco Institutional Asset Management
Netherlands
$20.6M
CCM
86
Causeway Capital Management
California
$20.4M
WIC
87
Willis Investment Counsel
Georgia
$20.3M
TAM
88
Tocqueville Asset Management
New York
$19.3M
Natixis Advisors
89
Natixis Advisors
Massachusetts
$19M
Chevy Chase Trust
90
Chevy Chase Trust
Maryland
$19M
SAM
91
Silvercrest Asset Management
New York
$18.3M
State Board of Administration of Florida Retirement System
92
State Board of Administration of Florida Retirement System
Florida
$17.6M
TD Asset Management
93
TD Asset Management
Ontario, Canada
$17.3M
FP
94
Foundry Partners
Minnesota
$17.3M
HA
95
Heartland Advisors
Wisconsin
$17.3M
FCI
96
Financial Counselors Inc
Kansas
$16.9M
RI
97
RTW Investments
New York
$16.8M
DCP
98
Distillate Capital Partners
Illinois
$16.6M
SIC
99
Schwartz Investment Counsel
Michigan
$16.2M
GT
100
Glenmede Trust
Pennsylvania
$16M