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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
VA
401
Vident Advisory
Georgia
$1.6M
PMAM
402
Picton Mahoney Asset Management
Ontario, Canada
$1.57M
IMCOOI
403
Investment Management Corp of Ontario (IMCO)
Canada
$1.57M
IA
404
Integrity Alliance
Iowa
$1.55M
BF
405
BOK Financial
Oklahoma
$1.52M
AF
406
AGP Franklin
Tennessee
$1.51M
HNB
407
Hilltop National Bank
Wyoming
$1.5M
LNWTC
408
Laird Norton Wetherby Trust Company
Washington
$1.49M
BAMF
409
BI Asset Management Fondsmaeglerselskab
Denmark
$1.49M
MIM
410
Miller Investment Management
Pennsylvania
$1.49M
PCM
411
Parsons Capital Management
Rhode Island
$1.49M
AWM
412
AE Wealth Management
Kansas
$1.48M
CIS
413
Custom Index Systems
New York
$1.46M
RC
414
Roundview Capital
New Jersey
$1.45M
CI
415
CX Institutional
Indiana
$1.44M
HNB
416
Huntington National Bank
Ohio
$1.41M
Brown Advisory
417
Brown Advisory
Maryland
$1.41M
Connor, Clark & Lunn Investment Management (CC&L)
418
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.41M
ALMGDA
419
AG2R La Mondiale Gestion d'Actifs
France
$1.4M
DILIC
420
Dai-ichi Life Insurance Company
Japan
$1.38M
FDCDDQ
421
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.37M
BDA
422
Borer Denton & Associates
Pennsylvania
$1.34M
PFPG
423
Pinnacle Financial Partners (Georgia)
Georgia
$1.32M
VIS
424
Vega Investment Solutions
France
$1.32M
NB
425
Norinchukin Bank
Japan
$1.31M