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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
CAM
876
Costello Asset Management
Pennsylvania
$19.1K
GTAM
877
Global Trust Asset Management
Florida
$19.1K
BCPWM
878
Bradley & Co Private Wealth Management
Florida
$19.1K
HFM
879
Harvest Fund Management
China
$19K
AW
880
Avion Wealth
Texas
$19K
AWM
881
Abound Wealth Management
Tennessee
$18.6K
GKIM
882
GW&K Investment Management
Massachusetts
$18K
SS
883
Sunbelt Securities
Texas
$17.5K
RBI
884
Raiffeisen Bank International
Austria
$17.2K
AAS
885
Ameritas Advisory Services
Nebraska
$17.2K
IGAM
886
iA Global Asset Management
Quebec, Canada
$16K
OAJ
887
Ogorek Anthony Joseph
New York
$15K
Walleye Capital
888
Walleye Capital
New York
$14.9K
CFB
889
Cullen/Frost Bankers
Texas
$14.5K
GSWM
890
Golden State Wealth Management
California
$14.3K
HIA
891
Harbor Investment Advisory
Maryland
$13.9K
JWA
892
JFS Wealth Advisors
Pennsylvania
$13.3K
WWM
893
Wolff Wiese Magana
California
$13.3K
OCM
894
Orion Capital Management
California
$13.3K
RDFA
895
Ritter Daniher Financial Advisory
Ohio
$13.2K
AFWM
896
Abich Financial Wealth Management
Virginia
$12.8K
SIS
897
Sound Income Strategies
Florida
$12.7K
RA
898
Rise Advisors
New York
$12.4K
TCM
899
TD Capital Management
Tennessee
$11.9K
PWMG
900
Private Wealth Management Group
New Jersey
$11.4K