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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
SPIA
476
Steward Partners Investment Advisory
New York
$918K
QI
477
Qtron Investments
Massachusetts
$905K
HCA
478
Hardworking Capital Advisors
California
$888K
MSE
479
MUFG Securities EMEA
United Kingdom
$884K
OIMU
480
Osmosis Investment Management UK
United Kingdom
$884K
NIM
481
Needham Investment Management
New York
$882K
ITG
482
Index Technologies Group
New York
$877K
VI
483
Vestcor Inc
New Brunswick, Canada
$866K
MCM
484
MAI Capital Management
Ohio
$866K
JG
485
Jain Global
New York
$858K
GGS
486
Galvin Gaustad & Stein
Arizona
$849K
HCA
487
Harbor Capital Advisors
Illinois
$843K
AAM
488
Azzad Asset Management
Virginia
$840K
VSQM
489
V-Square Quantitative Management
Illinois
$838K
FB
490
Fulton Bank
Pennsylvania
$838K
VVP
491
Venture Visionary Partners
Ohio
$836K
SFS
492
Sowell Financial Services
Arkansas
$831K
FT
493
Fiduciary Trust
Massachusetts
$831K
SPC
494
Sigma Planning Corp
Michigan
$827K
MIM
495
Montgomery Investment Management
Maryland
$827K
TMAM
496
Tokio Marine Asset Management
Japan
$823K
PAM
497
Panagora Asset Management
Massachusetts
$822K
EDRH
498
Edmond de Rothschild Holding
Switzerland
$820K
IAA
499
Independent Advisor Alliance
North Carolina
$809K
AV
500
Alamea Verwaltungs
New Jersey
$805K