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Quest Diagnostics

970 hedge funds and large institutions have $19.2B invested in Quest Diagnostics in 2025 Q2 according to their latest regulatory filings, with 117 funds opening new positions, 358 increasing their positions, 325 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

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: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

4.08% more ownership

Funds ownership: 91.84%95.93% (+4.1%)

2% more funds holding

Funds holding: 953970 (+17)

33% less call options, than puts

Call options by funds: $88.3M | Put options by funds: $133M

Holders
970
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
$88.3M
Puts
$133M
Net Calls
Net Calls Change

Top Buyers

1 +$217M
2 +$139M
3 +$133M
4
Squarepoint
Squarepoint
New York
+$124M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$101M
Name Holding Trade Value Shares
Change
Change in
Stake
PDL
326
Portfolio Design Labs
California
$1.89M
Allspring Global Investments
327
Allspring Global Investments
North Carolina
$1.88M
EIP
328
Easterly Investment Partners
Massachusetts
$1.86M
AI
329
Atria Investments
North Carolina
$1.86M
AIP
330
Ameritas Investment Partners
Nebraska
$1.82M
TWM
331
TriaGen Wealth Management
California
$1.82M
MAM
332
Madison Asset Management
Wisconsin
$1.77M
Osaic Holdings
333
Osaic Holdings
Arizona
$1.75M
OPERF
334
Oregon Public Employees Retirement Fund
Oregon
$1.74M
Fifth Third Bancorp
335
Fifth Third Bancorp
Ohio
$1.73M
FAM
336
Fred Alger Management
New York
$1.72M
AG
337
Ascent Group
Virginia
$1.71M
AAS
338
Avantax Advisory Services
Texas
$1.69M
AF
339
Avanza Fonder
Sweden
$1.68M
NGA
340
Naples Global Advisors
Florida
$1.68M
TFS
341
Thoroughbred Financial Services
Tennessee
$1.67M
N
342
Natixis
France
$1.67M
VAS
343
Vestmark Advisory Solutions
Massachusetts
$1.67M
BCV
344
Banque Cantonale Vaudoise
Switzerland
$1.66M
ST
345
Somerset Trust
Pennsylvania
$1.66M
RC
346
Roundview Capital
New Jersey
$1.65M
FNA
347
First National Advisers
Nebraska
$1.61M
ANBT
348
American National Bank & Trust
Texas
$1.6M
NRD
349
Nebula Research & Development
New York
$1.59M
AssetMark Inc
350
AssetMark Inc
California
$1.58M