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Quest Diagnostics

990 hedge funds and large institutions have $19.9B invested in Quest Diagnostics in 2025 Q3 according to their latest regulatory filings, with 115 funds opening new positions, 353 increasing their positions, 339 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:

2.45% less ownership

Funds ownership: 96.11%93.66% (-2.5%)

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
990
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
FB
476
Fulton Bank
Pennsylvania
$784K
NHT
477
New Hampshire Trust
New Hampshire
$782K
DAS
478
Dynamic Advisor Solutions
Arizona
$778K
TI
479
Tidal Investments
Wisconsin
$775K
TPCW
480
TD Private Client Wealth
New York
$773K
Lido Advisors
481
Lido Advisors
California
$771K
SFS
482
Sowell Financial Services
Arkansas
$771K
WA
483
Waverly Advisors
Alabama
$765K
DWP
484
Destiny Wealth Partners
Florida
$762K
SCTC
485
Sanibel Captiva Trust Company
Florida
$757K
MWM
486
MOKAN Wealth Management
Kansas
$756K
FMII
487
Farmers & Merchants Investments Inc
Nebraska
$750K
AWP
488
Ascent Wealth Partners
New York
$750K
BP
489
Ballentine Partners
Massachusetts
$745K
BC
490
Burney Company
Virginia
$737K
UBV
491
United Bank (Virginia)
Virginia
$735K
First Eagle Investment Management
492
First Eagle Investment Management
New York
$731K
OTL
493
Oak Thistle LLC
New York
$730K
LIM
494
Leavell Investment Management
Alabama
$728K
SOAMC
495
Spirit of America Management Corp
New York
$724K
RCP
496
Rothschild Capital Partners
New York
$713K
CT
497
Colonial Trust
South Carolina
$712K
TMAM
498
Tokio Marine Asset Management
Japan
$711K
SC
499
Steph & Co
Wisconsin
$703K
DWA
500
Douglass Winthrop Advisors
New York
$702K