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Quest Diagnostics

1,061 hedge funds and large institutions have $20.1B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 349 increasing their positions, 380 reducing their positions, and 87 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: $ → $

1% more funds holding

Funds holding: 1,0471,061 (+14)

8% less repeat investments, than reductions

Existing positions increased: 349 | Existing positions reduced: 380

2.22% less ownership

Funds ownership: 95.54%93.32% (-2.2%)

Holders
1,061
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
KeyBank National Association
451
KeyBank National Association
Ohio
$1.12M
FGP
452
Freestone Grove Partners
California
$1.12M
LSERS
453
Louisiana State Employees Retirement System
Louisiana
$1.1M
MWM
454
Modern Wealth Management
Kansas
$1.09M
B
455
Bailard
California
$1.09M
LGA
456
Lebenthal Global Advisors
New York
$1.08M
BAM
457
Byrne Asset Management
New Jersey
$1.08M
BCG
458
Breakwater Capital Group
New Jersey
$1.07M
PAG
459
Private Advisor Group
New Jersey
$1.06M
OIAM
460
OFI Invest Asset Management
France
$1.06M
IQI
461
Integrated Quantitative Investments
Washington
$1.05M
Nomura Holdings
462
Nomura Holdings
Japan
$1.05M
DIM
463
DLK Investment Management
California
$1.03M
IMC Chicago
464
IMC Chicago
Illinois
$1.02M
MAWA
465
Moss Adams Wealth Advisors
Washington
$1.01M
CIA
466
Concurrent Investment Advisors
Florida
$1M
WA
467
Waverly Advisors
Alabama
$1M
NMERB
468
New Mexico Educational Retirement Board
New Mexico
$1M
JSAM
469
J. Safra Asset Management
New York
$993K
NWAG
470
Net Worth Advisory Group
Utah
$984K
NFG
471
Nations Financial Group
Iowa
$979K
ACA
472
Atlas Capital Advisors
Wyoming
$970K
MCP
473
Martin Capital Partners
Oregon
$965K
WAM
474
Wolverine Asset Management
Illinois
$938K
CPW
475
Crestmont Private Wealth
Texas
$925K