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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
OSAM
376
O'Shaughnessy Asset Management
Connecticut
$1.84M +$312K +1,606 +21%
ATPW
377
Ashton Thomas Private Wealth
Arizona
$1.84M +$78.9K +406 +5%
AF
378
Avanza Fonder
Sweden
$1.84M
NGA
379
Naples Global Advisors
Florida
$1.83M +$17.1K +88 +1%
ST
380
Somerset Trust
Pennsylvania
$1.81M +$24.7K +127 +1%
TFS
381
Thoroughbred Financial Services
Tennessee
$1.8M +$194 +1 +0%
PAS
382
Park Avenue Securities
New York
$1.8M +$622K +3,200 +53%
AIP
383
Ameritas Investment Partners
Nebraska
$1.76M -$28.4K -146 -2%
LCM
384
Landscape Capital Management
New Jersey
$1.75M +$1.74M +8,950 New
ANBT
385
American National Bank & Trust
Texas
$1.75M -$41.6K -214 -2%
TRSOTSOK
386
Teachers Retirement System of the State of Kentucky
Kentucky
$1.71M
PCMF
387
Private Capital Management (Florida)
Florida
$1.71M
HP
388
Havemeyer Place
Connecticut
$1.7M +$1.61M +8,261 +2,055%
VWM
389
VCI Wealth Management
Missouri
$1.7M -$148K -761 -8%
ECM
390
Everence Capital Management
Indiana
$1.67M
GIBU
391
Gulf International Bank (UK)
United Kingdom
$1.67M +$522K +2,685 +46%
CGH
392
Crossmark Global Holdings
Texas
$1.67M +$194 +1 +0%
LCS
393
Levin Capital Strategies
New York
$1.67M +$1.3M +6,700 +372%
Rafferty Asset Management
394
Rafferty Asset Management
New York
$1.67M -$676K -3,477 -29%
FWIA
395
Fort Washington Investment Advisors
Ohio
$1.66M -$203K -1,047 -11%
PS
396
Principal Securities
Iowa
$1.64M +$791K +4,073 +95%
AC
397
Arjuna Capital
North Carolina
$1.63M -$220K -1,134 -12%
DPL
398
Danica Pension Livsforsikrings
$1.63M -$10.3M -53,024 -86%
AV
399
ASR Vermogensbeheer
Netherlands
$1.62M +$35.9K +185 +2%
HWAM
400
Hennion & Walsh Asset Management
New Jersey
$1.61M +$186K +957 +13%