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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
CA
426
Commerzbank Aktiengesellschaft
Germany
$1.31M
AC
427
AlphaCore Capital
California
$1.31M
MSU
428
Mizuho Securities USA
New York
$1.3M
AWM
429
Apollon Wealth Management
South Carolina
$1.29M
ETC
430
Exchange Traded Concepts
Oklahoma
$1.28M
N
431
Numerai
California
$1.28M
KPPF
432
Klein Pavlis & Peasley Financial
California
$1.27M
SCTC
433
Sanibel Captiva Trust Company
Florida
$1.27M
MYIA
434
Mount Yale Investment Advisors
Colorado
$1.26M
Jane Street
435
Jane Street
New York
$1.26M
UBP
436
Union Bancaire Privee
Switzerland
$1.24M
HIMCH
437
Hartford Investment Management Co (HIMCO)
Connecticut
$1.23M
PCM
438
Penserra Capital Management
California
$1.23M
YP
439
YANKCOM Partnership
South Dakota
$1.21M
SFI
440
Siemens Fonds Invest
Germany
$1.21M
WI
441
WBI Investments
New Jersey
$1.19M
GIC
442
Generali Investments CEE
Czech Republic
$1.18M
CFO
443
Callan Family Office
Pennsylvania
$1.17M
MFG
444
Merit Financial Group
Georgia
$1.16M
CMAI
445
Capital Management Associates Inc
Minnesota
$1.16M
KPWS
446
Kestra Private Wealth Services
Texas
$1.15M
AWA
447
Arkadios Wealth Advisors
Georgia
$1.14M
MSRPS
448
Maryland State Retirement & Pension System
Maryland
$1.13M
XT
449
XTX Topco
Cayman Islands
$1.13M
CG
450
Caprock Group
Idaho
$1.12M