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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
Janney Montgomery Scott
251
Janney Montgomery Scott
Pennsylvania
$4.21M -$85.7K -441 -2%
X
252
Xponance
Pennsylvania
$4.2M +$357K +1,837 +9%
AP
253
Appleton Partners
Massachusetts
$4.14M +$27.8K +143 +0.7%
AB
254
Amalgamated Bank
New York
$4.13M +$90.7K +467 +2%
RP
255
Riverwater Partners
Wisconsin
$4.11M +$1.02M +5,232 +33%
US Bancorp
256
US Bancorp
Minnesota
$4.1M -$303K -1,559 -7%
MPWT
257
MassMutual Private Wealth & Trust
Connecticut
$4M -$46K -237 -1%
Mirae Asset Global ETFs Holdings
258
Mirae Asset Global ETFs Holdings
Hong Kong
$4M +$170K +873 +4%
DWP
259
Daymark Wealth Partners
Ohio
$3.92M
PVI
260
Pine Valley Investments
New Jersey
$3.91M -$192K -988 -5%
IIM
261
INTECH Investment Management
Florida
$3.9M -$1.26M -6,463 -25%
Jones Financial Companies
262
Jones Financial Companies
Missouri
$3.83M +$2.83M +14,575 +291%
ProShare Advisors
263
ProShare Advisors
Maryland
$3.78M -$1.78M -9,161 -32%
UIM
264
USS Investment Management
United Kingdom
$3.74M +$577K +2,971 +18%
Daiwa Securities Group
265
Daiwa Securities Group
Japan
$3.71M +$159K +818 +5%
CI
266
Cambiar Investors
Colorado
$3.66M -$982K -5,055 -21%
Susquehanna International Group
267
Susquehanna International Group
Pennsylvania
$3.63M -$2.35M -12,109 -40%
YCM
268
Yousif Capital Management
Michigan
$3.63M -$193K -994 -5%
BHWM
269
Bar Harbor Wealth Management
New Hampshire
$3.62M +$185K +950 +5%
Tudor Investment Corp
270
Tudor Investment Corp
Connecticut
$3.57M +$2.94M +15,157 +494%
URS
271
Utah Retirement Systems
Utah
$3.55M -$45.1K -232 -1%
SAM
272
Soviero Asset Management
New York
$3.53M +$3.5M +18,000 New
FM
273
Foster & Motley
Ohio
$3.51M -$317K -1,631 -8%
KAS
274
Kestra Advisory Services
Texas
$3.51M
DCM
275
Delta Capital Management
New Jersey
$3.49M +$19.4K +100 +0.6%