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Quest Diagnostics

1,051 hedge funds and large institutions have $20B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 347 increasing their positions, 373 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

0% more funds holding

Funds holding: 1,0461,051 (+5)

7% less repeat investments, than reductions

Existing positions increased: 347 | Existing positions reduced: 373

2.74% less ownership

Funds ownership: 95.54%92.8% (-2.7%)

Holders
1,051
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$96.9M
Puts
$40.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CA
126
CSM Advisors
Pennsylvania
$15M
PR
127
Payden & Rygel
California
$15M
Mitsubishi UFJ Trust & Banking
128
Mitsubishi UFJ Trust & Banking
Japan
$15M
AAIS
129
ABN AMRO Investment Solutions
$15M
State of Wisconsin Investment Board
130
State of Wisconsin Investment Board
Wisconsin
$14.4M
CIBC Asset Management
131
CIBC Asset Management
Ontario, Canada
$14.3M
P
132
Paradiem
Louisiana
$14M
DB
133
Danske Bank
Denmark
$13.7M
HW
134
Hancock Whitney
Mississippi
$13.3M
JWM
135
JGP Wealth Management
Oregon
$13.2M
Ohio Public Employees Retirement System (OPERS)
136
Ohio Public Employees Retirement System (OPERS)
Ohio
$13.1M
Nordea Investment Management
137
Nordea Investment Management
Sweden
$12.9M
BCM
138
Becker Capital Management
Oregon
$12.3M
FNBOO
139
First National Bank of Omaha
Nebraska
$11.9M
HighTower Advisors
140
HighTower Advisors
Illinois
$11.8M
IHAM
141
Integral Health Asset Management
New York
$11.8M
EWA
142
Exencial Wealth Advisors
Oklahoma
$11.6M
TD Asset Management
143
TD Asset Management
Ontario, Canada
$11.3M
KBC Group
144
KBC Group
Belgium
$11.3M
VIA
145
Vanguard Investments Australia
Australia
$10.9M
Prudential Financial
146
Prudential Financial
New Jersey
$10.9M
Canada Pension Plan Investment Board
147
Canada Pension Plan Investment Board
Ontario, Canada
$10.8M
Korea Investment Corp
148
Korea Investment Corp
South Korea
$10.4M
SLAM
149
Swiss Life Asset Management
$10.4M
New York State Common Retirement Fund
150
New York State Common Retirement Fund
New York
$10.4M