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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
526
$597K
527
$593K
528
$591K
529
$589K
530
$584K
531
$569K
532
$568K
533
$565K
534
$562K
535
$559K
536
$556K
537
$554K
538
$554K
539
$554K
540
$553K
541
$549K
542
$544K
543
$543K
544
$542K
545
$542K
546
$537K
547
$537K
548
$533K
549
$532K
550
$526K