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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
SAM
651
S.A. Mason
Michigan
$372K
GF
652
Gabelli Funds
New York
$372K
BBHC
653
Brown Brothers Harriman & Co
New York
$368K
OKSA
654
O'Keefe Stevens Advisory
New York
$367K
WANY
655
Wealthspire Advisors (New York)
New York
$367K
ONST
656
Old North State Trust
North Carolina
$363K
AO
657
Advisor OS
Illinois
$362K
LCWP
658
Legacy Capital Wealth Partners
Arkansas
$357K
PI
659
PFG Investments
New York
$357K
SCM
660
Schnieders Capital Management
California
$356K
GFP
661
Gryphon Financial Partners
Ohio
$355K
BHCM
662
Brevan Howard Capital Management
Jersey
$354K
IC
663
Inscription Capital
Texas
$353K
EWM
664
Evercore Wealth Management
New York
$350K
WCM
665
Washington Capital Management
Washington
$349K
EW
666
Evoke Wealth
California
$348K
DO
667
denkapparat Operations
Germany
$348K
BCV
668
Banque Cantonale Vaudoise
Switzerland
$346K
AG
669
Ascent Group
Virginia
$346K
DWM
670
Destination Wealth Management
California
$346K
MFAM
671
Motley Fool Asset Management
Virginia
$344K
FFBTD
672
First Financial Bank - Trust Division
Ohio
$344K
CLIP
673
Colter Lewis Investment Partners
Connecticut
$343K
LG
674
Lane Generational
Massachusetts
$341K
MTI
675
Merrithew & Thorsten Inc
California
$341K