We are live on ! Find out more
DGX icon

Quest Diagnostics

1,062 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, 381 reducing their positions, and 87 closing their positions.

New
Increased
Maintained
Reduced
Closed

139% more call options, than puts

Call options by funds: $96.9M | Put options by funds: $40.5M

100% more funds holding in top 10

Funds holding in top 10: 24 (+2)

39% more first-time investments, than exits

New positions opened: 121 | Existing positions closed: 87

9% more capital invested

Capital invested by funds: $18.4B → $20.1B (+$1.67B)

1% more funds holding

Funds holding: 1,0481,062 (+14)

8% less repeat investments, than reductions

Existing positions increased: 349 | Existing positions reduced: 381

2.22% less ownership

Funds ownership: 95.55%93.33% (-2.2%)

Holders
1,062
Holders Change
+14
Holders Change %
+1.34%
% of All Funds
13.08%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
121
Increased
349
Reduced
381
Closed
87
Calls
$96.9M
Puts
$40.5M
Net Calls
+$56.4M
Net Calls Change
+$39M
Name Holding Trade Value Shares
Change
Change in
Stake
RS
1101
R Squared
Hong Kong
-$471K -2,713 Closed
NW
1102
NewEdge Wealth
Pennsylvania
-$451K -2,601 Closed
AC
1103
AXQ Capital
New Jersey
-$443K -2,550 Closed
IF
1104
Intrua Financial
Texas
-$432K -2,487 Closed
LIP
1105
Lighthouse Investment Partners
Florida
-$418K -2,407 Closed
1C
1106
111 Capital
France
-$407K -2,343 Closed
OF
1107
Optimize Financial
California
-$407K -2,343 Closed
SRL
1108
Scientech Research LLC
New Jersey
-$395K -2,278 Closed
CIP
1109
Capital Insight Partners
Arizona
-$377K -2,168 Closed
SCM
1110
Stevens Capital Management
Pennsylvania
-$364K -2,095 Closed
FIA
1111
Foundations Investment Advisors
Arizona
-$361K -2,081 Closed
EP
1112
Edgestream Partners
New Jersey
-$356K -2,050 Closed
IFU
1113
iSAM Funds (UK)
United Kingdom
-$307K -1,768 Closed
ICP
1114
Interchange Capital Partners
Pennsylvania
-$302K -1,742 Closed
LP
1115
LMR Partners
United Kingdom
-$298K -1,717 Closed
Two Sigma Advisers
1116
Two Sigma Advisers
New York
-$295K -1,700 Closed
OAM
1117
Oxford Asset Management
United Kingdom
-$253K -1,456 Closed
PA
1118
PharVision Advisers
Florida
-$241K -1,386 Closed
AC
1119
Armistice Capital
New York
-$234K -1,351 Closed
WOSD
1120
WFA of San Diego
California
-$230K -1,324 Closed
WT
1121
Washington Trust
Rhode Island
-$226K -1,300 Closed
GS
1122
GTS Securities
New York
-$220K -1,270 Closed
Fisher Asset Management
1123
Fisher Asset Management
Washington
-$220K -1,269 Closed
HCM
1124
Howard Capital Management
Georgia
-$219K -1,261 Closed
LNB
1125
Ledyard National Bank
-$210K -1,212 Closed