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Quest Diagnostics

985 hedge funds and large institutions have $19.3B invested in Quest Diagnostics in 2025 Q2 according to their latest regulatory filings, with 120 funds opening new positions, 364 increasing their positions, 326 reducing their positions, and 82 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

4.13% more ownership

Funds ownership: 92.02%96.15% (+4.1%)

2% more funds holding

Funds holding: 962985 (+23)

33% less call options, than puts

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

Holders
985
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 +$210M
2 +$134M
3 +$129M
4
Squarepoint
Squarepoint
New York
+$120M
5
JP Morgan Chase
JP Morgan Chase
New York
+$97.6M
Name Holding Trade Value Shares
Change
Change in
Stake
501
$652K
502
$652K
503
$649K
504
$645K
505
$641K
506
$641K
507
$640K
508
$640K
509
$636K
510
$635K
511
$634K
512
$630K
513
$623K
514
$622K
515
$622K
516
$620K
517
$620K
518
$619K
519
$612K
520
$608K
521
$608K
522
$604K
523
$602K
524
$601K
525
$600K