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Quest Diagnostics

1,051 hedge funds and large institutions have $20B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 347 increasing their positions, 373 reducing their positions, and 89 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: $ → $

0% more funds holding

Funds holding: 1,0461,051 (+5)

7% less repeat investments, than reductions

Existing positions increased: 347 | Existing positions reduced: 373

2.74% less ownership

Funds ownership: 95.54%92.8% (-2.7%)

Holders
1,051
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
WSFS
826
Wilmington Savings Fund Society
Delaware
$108K
Walleye Trading
827
Walleye Trading
New York
$108K
OP
828
Oslo Pensjonsforsikring
$107K
KFA
829
Kelleher Financial Advisors
New York
$106K
WB
830
Webster Bank
Connecticut
$102K
LFG
831
Larson Financial Group
Missouri
$101K
Los Angeles Capital Management
832
Los Angeles Capital Management
California
$99.4K
NA
833
Networth Advisors
Pennsylvania
$96.2K
MO
834
McMillan Office
Michigan
$95.2K
PNC
835
Park National Corp
Ohio
$93.9K
HFM
836
Harvest Fund Management
China
$91K
LI
837
LRI Investments
Florida
$90.9K
Federated Hermes
838
Federated Hermes
Pennsylvania
$90.3K
OSNBOA
839
Old Second National Bank of Aurora
Illinois
$88.2K
RFP
840
Root Financial Partners
California
$84.7K
SFG
841
Strive Financial Group
Indiana
$82K
GEA
842
Glen Eagle Advisors
New Jersey
$78.4K
JWM
843
JPL Wealth Management
Colorado
$77.8K
AA
844
Ancora Advisors
Ohio
$74.7K
CT
845
Coastline Trust
Rhode Island
$74.3K
SS
846
SBI Securities
Japan
$73.1K
VNT
847
Vanguard National Trust
Pennsylvania
$73.1K
CH
848
Cromwell Holdings
Wyoming
$72.9K
QWM
849
Quaker Wealth Management
New Jersey
$69.6K
WAG
850
Wiser Advisor Group
Arizona
$66.6K