We are live on ! Find out more
DGX icon

Quest Diagnostics

1,062 hedge funds and large institutions have $20.1B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 349 increasing their positions, 381 reducing their positions, and 87 closing their positions.

New
Increased
Maintained
Reduced
Closed

139% more call options, than puts

Call options by funds: $96.9M | Put options by funds: $40.5M

100% more funds holding in top 10

Funds holding in top 10: 24 (+2)

39% more first-time investments, than exits

New positions opened: 121 | Existing positions closed: 87

9% more capital invested

Capital invested by funds: $18.4B → $20.1B (+$1.67B)

1% more funds holding

Funds holding: 1,0481,062 (+14)

8% less repeat investments, than reductions

Existing positions increased: 349 | Existing positions reduced: 381

2.22% less ownership

Funds ownership: 95.55%93.33% (-2.2%)

Holders
1,062
Holders Change
+14
Holders Change %
+1.34%
% of All Funds
13.08%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
121
Increased
349
Reduced
381
Closed
87
Calls
$96.9M
Puts
$40.5M
Net Calls
+$56.4M
Net Calls Change
+$39M
Name Holding Trade Value Shares
Change
Change in
Stake
WA
276
Wasatch Advisors
Utah
$3.47M
AM
277
AGF Management
Ontario, Canada
$3.46M +$295K +1,517 +9%
Bank of Nova Scotia
278
Bank of Nova Scotia
Ontario, Canada
$3.45M -$9.49M -48,834 -73%
Public Sector Pension Investment Board (PSP Investments)
279
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.45M +$607K +3,125 +22%
OAM
280
Ostrum Asset Management
France
$3.41M -$2.87M -14,769 -46%
MNA
281
Manning & Napier Advisors
New York
$3.41M -$227K -1,167 -6%
Ensign Peak Advisors
282
Ensign Peak Advisors
Utah
$3.41M +$231K +1,189 +7%
VPIM
283
Vanguard Personalized Indexing Management
California
$3.37M +$125K +645 +4%
BG
284
Bahl & Gaynor
Ohio
$3.36M -$33.1M -170,147 -91%
PFSRSONJ
285
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.36M +$16.1K +83 +0.5%
Allspring Global Investments
286
Allspring Global Investments
North Carolina
$3.29M +$64.7K +333 +2%
Osaic Holdings
287
Osaic Holdings
Arizona
$3.27M -$572K -2,943 -15%
OA
288
Oak Associates
Ohio
$3.25M -$165K -850 -5%
Nisa Investment Advisors
289
Nisa Investment Advisors
Missouri
$3.24M -$340K -1,750 -10%
RIM
290
Rakuten Investment Management
Japan
$3.23M +$336K +1,729 +12%
NYLIM
291
New York Life Investment Management
New York
$3.22M +$50.5K +260 +2%
Baird Financial Group
292
Baird Financial Group
Wisconsin
$3.2M -$12K -62 -0.4%
JIC
293
Johnson Investment Counsel
Ohio
$3.18M +$18.1K +93 +0.6%
Thrivent Financial for Lutherans
294
Thrivent Financial for Lutherans
Minnesota
$3.17M -$347K -1,788 -10%
SMDAM
295
Sumitomo Mitsui DS Asset Management
Japan
$3.15M -$11.5K -59 -0.4%
CTA
296
Colonial Trust Advisors
South Carolina
$3.04M -$42.2K -217 -1%
NEI
297
Northwest & Ethical Investments
Ontario, Canada
$3.01M +$1.71M +8,812 +135%
IG
298
ING Group
Netherlands
$3.01M -$341K -1,753 -10%
STA
299
Summit Trail Advisors
New York
$3.01M +$722K +3,714 +32%
BCIM
300
British Columbia Investment Management
British Columbia, Canada
$3M -$864K -4,447 -22%