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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
JIC
276
Johnson Investment Counsel
Ohio
$3.07M
BCIM
277
British Columbia Investment Management
British Columbia, Canada
$3.06M
UIM
278
USS Investment Management
United Kingdom
$3.05M
Bank of Nova Scotia
279
Bank of Nova Scotia
Ontario, Canada
$3.05M
LBC
280
Lowe Brockenbrough & Co
Virginia
$3.01M
Northwestern Mutual Wealth Management
281
Northwestern Mutual Wealth Management
Wisconsin
$2.99M
GSC
282
G&S Capital
Colorado
$2.91M
BCV
283
Banque Cantonale Vaudoise
Switzerland
$2.9M
Allspring Global Investments
284
Allspring Global Investments
North Carolina
$2.87M
SP
285
Stablepoint Partners
Massachusetts
$2.81M
HI
286
Horizon Investments
North Carolina
$2.79M
Teacher Retirement System of Texas
287
Teacher Retirement System of Texas
Texas
$2.79M
TA
288
TKG Advisors
Indiana
$2.78M
CCA
289
Catalyst Capital Advisors
New York
$2.78M
BO
290
Bank OZK
Arkansas
$2.75M
EI
291
Ethic Inc
New York
$2.75M
Wealth Enhancement Advisory Services
292
Wealth Enhancement Advisory Services
Minnesota
$2.74M
CB
293
Commerce Bank
Missouri
$2.73M
KeyBank National Association
294
KeyBank National Association
Ohio
$2.72M
NAM
295
Nissay Asset Management
Japan
$2.71M
Fuller & Thaler Asset Management
296
Fuller & Thaler Asset Management
California
$2.71M
Janus Henderson Group
297
Janus Henderson Group
United Kingdom
$2.69M
SIA
298
Soltis Investment Advisors
Utah
$2.68M
BCI
299
Brinker Capital Investments
Pennsylvania
$2.66M
FF
300
Farrow Financial
Vermont
$2.66M