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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
DILIC
426
Dai-ichi Life Insurance Company
Japan
$934K
SPC
427
Sigma Planning Corp
Michigan
$918K
MCP
428
Martin Capital Partners
Oregon
$917K
HKAM
429
Horizon Kinetics Asset Management
New York
$916K
FCBT
430
First Citizens Bank & Trust
North Carolina
$907K
ACA
431
Atlas Capital Advisors
Wyoming
$889K
CC
432
Courier Capital
New York
$888K
AWA
433
Arkadios Wealth Advisors
Georgia
$884K
NICM
434
Neo Ivy Capital Management
New York
$882K
CM
435
Caption Management
Oklahoma
$880K
VIS
436
Vega Investment Solutions
France
$877K
BAMF
437
BI Asset Management Fondsmaeglerselskab
Denmark
$868K
WAM
438
Wolverine Asset Management
Illinois
$860K
FT
439
Fiduciary Trust
Massachusetts
$849K
SAM
440
Shell Asset Management
Netherlands
$848K
JF
441
Jump Financial
Illinois
$847K
LA
442
Lifeworks Advisors
Michigan
$833K
Envestnet Portfolio Solutions
443
Envestnet Portfolio Solutions
Illinois
$822K
EAM
444
Erste Asset Management
Austria
$811K
EOJOAM
445
E. Ohman J:or Asset Management
Sweden
$808K
GIC
446
Generali Investments CEE
Czech Republic
$808K
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
447
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$800K
VI
448
Vestcor Inc
New Brunswick, Canada
$795K
Group One Trading
449
Group One Trading
Illinois
$793K
EGM
450
Engineers Gate Manager
New York
$791K