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Quest Diagnostics

1,061 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, 380 reducing their positions, and 87 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: $ → $

1% more funds holding

Funds holding: 1,0471,061 (+14)

8% less repeat investments, than reductions

Existing positions increased: 349 | Existing positions reduced: 380

2.22% less ownership

Funds ownership: 95.54%93.32% (-2.2%)

Holders
1,061
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
SW
326
SVB Wealth
Massachusetts
$2.52M
PA
327
Pinnacle Associates
New York
$2.51M
Wealth Enhancement Advisory Services
328
Wealth Enhancement Advisory Services
Minnesota
$2.51M
DM
329
Diversified Management
Wisconsin
$2.47M
OPERF
330
Oregon Public Employees Retirement Fund
Oregon
$2.46M
AWA
331
Acumen Wealth Advisors
Tennessee
$2.45M
DCM
332
Dean Capital Management
Kansas
$2.45M
IA
333
IFP Advisors
Florida
$2.44M
KCPG
334
Kavar Capital Partners Group
Kansas
$2.42M
LTAS
335
Linden Thomas Advisory Services
North Carolina
$2.39M
HWM
336
HB Wealth Management
Georgia
$2.36M
KA
337
Kintegral Advisory
New York
$2.35M
NA
338
NewEdge Advisors
Louisiana
$2.34M
WAM
339
Weatherly Asset Management
California
$2.34M
IIA
340
ICW Investment Advisors
Arizona
$2.32M
BTD
341
BankPlus Trust Department
Mississippi
$2.31M
PFM
342
Patton Fund Management
Texas
$2.31M
MOACM
343
Mutual of America Capital Management
New York
$2.3M
AAM
344
Advisors Asset Management
Colorado
$2.3M
OAC
345
OMERS Administration Corp
Ontario, Canada
$2.28M
CAM
346
Cozad Asset Management
Illinois
$2.26M
AI
347
Atria Investments
North Carolina
$2.26M
ZIG
348
Zurich Insurance Group
Switzerland
$2.25M
Arrowstreet Capital
349
Arrowstreet Capital
Massachusetts
$2.25M
RGC
350
Roberts, Glore & Co
Illinois
$2.23M