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Quest Diagnostics

982 hedge funds and large institutions have $19.9B invested in Quest Diagnostics in 2025 Q3 according to their latest regulatory filings, with 116 funds opening new positions, 349 increasing their positions, 336 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2.35% less ownership

Funds ownership: 95.95%93.6% (-2.4%)

12% less call options, than puts

Call options by funds: $98.2M | Put options by funds: $112M

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

Holders
982
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$98.2M
Puts
$112M
Net Calls
Net Calls Change

Top Buyers

1 +$190M
2 +$162M
3 +$82.7M
4
Goldman Sachs
Goldman Sachs
New York
+$79.7M
5
Marshall Wace
Marshall Wace
United Kingdom
+$67.1M

Top Sellers

1 -$116M
2 -$88.7M
3 -$79.3M
4
UBS AM
UBS AM
Illinois
-$60M
5
UBS Group
UBS Group
Switzerland
-$59.9M
Name Holding Trade Value Shares
Change
Change in
Stake
SRC
551
Shufro Rose & Co
New York
$550K
FFA
552
Farther Finance Advisors
California
$546K
GC
553
Guggenheim Capital
Illinois
$544K
GPA
554
Garrison Point Advisors
California
$544K
Twin Tree Management
555
Twin Tree Management
Texas
$543K
Kayne Anderson Rudnick Investment Management
556
Kayne Anderson Rudnick Investment Management
California
$536K
WPC
557
Wedmont Private Capital
Pennsylvania
$535K
EWA
558
Emergent Wealth Advisors
New York
$534K
ACM
559
Aurdan Capital Management
Pennsylvania
$532K
MMA
560
Miracle Mile Advisors
California
$531K
Acadian Asset Management
561
Acadian Asset Management
Massachusetts
$531K
SAM
562
Sequent Asset Management
Texas
$513K
TSWM
563
Triangle Securities Wealth Management
North Carolina
$512K
SO
564
STRS Ohio
Ohio
$508K
IWC
565
Integrated Wealth Concepts
Massachusetts
$506K
WIA
566
World Investment Advisors
California
$502K
BWM
567
BankPlus Wealth Management
Mississippi
$499K
SPA
568
Sherbrooke Park Advisers
New York
$490K
BJL
569
Brighton Jones LLC
Washington
$486K
FFBTD
570
First Financial Bank - Trust Division
Ohio
$484K
CIA
571
Concurrent Investment Advisors
Florida
$482K
MBT
572
Montecito Bank & Trust
California
$478K
Man Group
573
Man Group
United Kingdom
$477K
SC
574
Searle & Co
Connecticut
$476K
AA
575
ALPS Advisors
Colorado
$475K