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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
CIAS
926
CBIZ Investment Advisory Services
Ohio
$5.91K
PWA
927
Physician Wealth Advisors
Utah
$5.72K
CTC
928
Cetera Trust Company
Minnesota
$5.72K
TFM
929
TFC Financial Management
Massachusetts
$5.53K
FFA
930
Frazier Financial Advisors
Ohio
$5.35K
BOJHT
931
Bank of Jackson Hole Trust
Wyoming
$4.96K
WA
932
Westfuller Advisors
New York
$4.96K
HHMI
933
Howard Hughes Medical Institute
Maryland
$4.57K
TCM
934
Triumph Capital Management
Colorado
$4.19K
HDIM
935
Hanson & Doremus Investment Management
Vermont
$4K
MAFA
936
MJT & Associates Financial Advisory
Minnesota
$3.81K
HWA
937
Heartwood Wealth Advisors
Virginia
$3.62K
DPW
938
DiNuzzo Private Wealth
Pennsylvania
$3.45K
WPA
939
Wealth Preservation Advisors
Tennessee
$3.24K
BFS
940
Bare Financial Services
Pennsylvania
$3.24K
ATC
941
Adirondack Trust Company
New York
$3.05K
JFA
942
JNBA Financial Advisors
Minnesota
$2.86K
DF
943
DecisionPoint Financial
Arizona
$2.73K
VWA
944
Valued Wealth Advisors
Utah
$2.67K
BWAM
945
Boyd Watterson Asset Management
Ohio
$2.48K
BWL
946
Bogart Wealth LLC
Virginia
$2.37K
AWM
947
Activest Wealth Management
Florida
$2.29K
MAM
948
Marquette Asset Management
Minnesota
$2.29K
AP
949
Aspect Partners
Virginia
$2.1K
TIM
950
Tortoise Investment Management
New York
$2.1K