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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
351
$1.65M
352
$1.61M
353
$1.6M
354
$1.59M
355
$1.58M
356
$1.57M
357
$1.56M
358
$1.55M
359
$1.55M
360
$1.53M
361
$1.51M
362
$1.49M
363
$1.49M
364
$1.49M
365
$1.49M
366
$1.47M
367
$1.45M
368
$1.44M
369
$1.43M
370
$1.43M
371
$1.41M
372
$1.4M
373
$1.39M
374
$1.39M
375
$1.38M