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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
Swiss National Bank
51
Swiss National Bank
Switzerland
$53.3M
Macquarie Group
52
Macquarie Group
Australia
$52.1M
MGP
53
M&G plc
United Kingdom
$50.9M
RhumbLine Advisers
54
RhumbLine Advisers
Massachusetts
$48.6M
CS
55
Candriam SCA
Luxembourg
$47.1M
Sumitomo Mitsui Trust Group
56
Sumitomo Mitsui Trust Group
Japan
$47.1M
Pictet Asset Management
57
Pictet Asset Management
Switzerland
$44.3M
ACM
58
Advisors Capital Management
New Jersey
$42.5M
HSBC Holdings
59
HSBC Holdings
United Kingdom
$38.8M
Schroder Investment Management Group
60
Schroder Investment Management Group
United Kingdom
$38.7M
National Pension Service
61
National Pension Service
South Korea
$38.5M
Manulife (Manufacturers Life Insurance)
62
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$38.1M
Universal-Beteiligungs- und Servicegesellschaft
63
Universal-Beteiligungs- und Servicegesellschaft
Germany
$37.2M
Bank of Montreal
64
Bank of Montreal
Ontario, Canada
$35.9M
Balyasny Asset Management
65
Balyasny Asset Management
Illinois
$35.1M
Mitsubishi UFJ Asset Management
66
Mitsubishi UFJ Asset Management
Japan
$33.5M
CCM
67
Copeland Capital Management
Pennsylvania
$33.2M
WCM
68
Wedge Capital Management
North Carolina
$32.5M
CP
69
Coho Partners
Pennsylvania
$30.8M
CPC
70
Cookson Peirce & Co
Pennsylvania
$29.2M
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$28.9M
APG Asset Management
72
APG Asset Management
Netherlands
$28.2M
Pathstone Holdings
73
Pathstone Holdings
New Jersey
$27.8M
Massachusetts Financial Services
74
Massachusetts Financial Services
Massachusetts
$26.9M
Squarepoint
75
Squarepoint
New York
$26.2M