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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
X
251
Xponance
Pennsylvania
$3.58M
URS
252
Utah Retirement Systems
Utah
$3.49M
MC
253
Maverick Capital
Texas
$3.46M
AM
254
AGF Management
Ontario, Canada
$3.46M
KAS
255
Kestra Advisory Services
Texas
$3.45M
TCA
256
Teewinot Capital Advisers
New York
$3.45M
Nisa Investment Advisors
257
Nisa Investment Advisors
Missouri
$3.44M
PFSRSONJ
258
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.41M
WA
259
Wasatch Advisors
Utah
$3.38M
AAM
260
Advisors Asset Management
Colorado
$3.34M
Daiwa Securities Group
261
Daiwa Securities Group
Japan
$3.34M
AWCI
262
Alpine Woods Capital Investors
New York
$3.34M
OA
263
Oak Associates
Ohio
$3.32M
Mirae Asset Global Investments
264
Mirae Asset Global Investments
South Korea
$3.29M
CBU
265
CIBC Bancorp USA
Illinois
$3.28M
CAPTRUST Financial Advisors
266
CAPTRUST Financial Advisors
North Carolina
$3.27M
CCM
267
Coldstream Capital Management
Washington
$3.25M
Susquehanna International Group
268
Susquehanna International Group
Pennsylvania
$3.23M
Baird Financial Group
269
Baird Financial Group
Wisconsin
$3.19M
VPIM
270
Vanguard Personalized Indexing Management
California
$3.18M
IG
271
ING Group
Netherlands
$3.17M
BHWM
272
Bar Harbor Wealth Management
New Hampshire
$3.16M
UM
273
UniSuper Management
Australia
$3.16M
CTA
274
Colonial Trust Advisors
South Carolina
$3.16M
NYLIM
275
New York Life Investment Management
New York
$3.11M