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Quest Diagnostics

960 hedge funds and large institutions have $17.3B invested in Quest Diagnostics in 2025 Q1 according to their latest regulatory filings, with 143 funds opening new positions, 315 increasing their positions, 334 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

6% less repeat investments, than reductions

Existing positions increased: 315 | Existing positions reduced: 334

39% less call options, than puts

Call options by funds: $83.5M | Put options by funds: $136M

Holders
960
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$83.5M
Puts
$136M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
426
$1.03M
427
$1.02M
428
$1.02M
429
$1.01M
430
$1.01M
431
$1.01M
432
$996K
433
$990K
434
$984K
435
$982K
436
$971K
437
$967K
438
$966K
439
$956K
440
$955K
441
$946K
442
$939K
443
$939K
444
$935K
445
$931K
446
$929K
447
$918K
448
$913K
449
$906K
450
$893K