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Quest Diagnostics

982 hedge funds and large institutions have $19.9B invested in Quest Diagnostics in 2025 Q3 according to their latest regulatory filings, with 116 funds opening new positions, 349 increasing their positions, 336 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

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: $ → $

more funds holding

Funds holding:

2.35% less ownership

Funds ownership: 95.95%93.6% (-2.4%)

12% less call options, than puts

Call options by funds: $98.2M | Put options by funds: $112M

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

Holders
982
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$98.2M
Puts
$112M
Net Calls
Net Calls Change

Top Buyers

1 +$190M
2 +$162M
3 +$82.7M
4
Goldman Sachs
Goldman Sachs
New York
+$79.7M
5
Marshall Wace
Marshall Wace
United Kingdom
+$67.1M

Top Sellers

1 -$116M
2 -$88.7M
3 -$79.3M
4
UBS AM
UBS AM
Illinois
-$60M
5
UBS Group
UBS Group
Switzerland
-$59.9M
Name Holding Trade Value Shares
Change
Change in
Stake
TPCW
476
TD Private Client Wealth
New York
$773K
Lido Advisors
477
Lido Advisors
California
$771K
SFS
478
Sowell Financial Services
Arkansas
$771K
WA
479
Waverly Advisors
Alabama
$765K
DWP
480
Destiny Wealth Partners
Florida
$762K
SCTC
481
Sanibel Captiva Trust Company
Florida
$757K
MWM
482
MOKAN Wealth Management
Kansas
$756K
FMII
483
Farmers & Merchants Investments Inc
Nebraska
$750K
AWP
484
Ascent Wealth Partners
New York
$750K
BP
485
Ballentine Partners
Massachusetts
$745K
BC
486
Burney Company
Virginia
$737K
UBV
487
United Bank (Virginia)
Virginia
$735K
First Eagle Investment Management
488
First Eagle Investment Management
New York
$731K
OTL
489
Oak Thistle LLC
New York
$730K
LIM
490
Leavell Investment Management
Alabama
$728K
SOAMC
491
Spirit of America Management Corp
New York
$724K
RCP
492
Rothschild Capital Partners
New York
$713K
CT
493
Colonial Trust
South Carolina
$712K
TMAM
494
Tokio Marine Asset Management
Japan
$711K
SC
495
Steph & Co
Wisconsin
$703K
DWA
496
Douglass Winthrop Advisors
New York
$702K
GCM
497
Graham Capital Management
Connecticut
$700K
SPIA
498
Steward Partners Investment Advisory
New York
$698K
Kovitz Investment Group Partners
499
Kovitz Investment Group Partners
Illinois
$695K
SFI
500
Siemens Fonds Invest
Germany
$688K