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Quest Diagnostics
DGX

1,067 hedge funds and large institutions have $20.1B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 123 funds opening new positions, 351 increasing their positions, 381 reducing their positions, and 88 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: 2 → 4 (+2)

40% more first-time investments, than exits

New positions opened: 123 | Existing positions closed: 88

9% more capital invested

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

2% more funds holding

Funds holding: 1,050 → 1,067 (+17)

8% less repeat investments, than reductions

Existing positions increased: 351 | Existing positions reduced: 381

2.21% less ownership

Funds ownership: 95.56% → 93.34% (-2.2%)

Holders
1,067
Holders Change
+17
Holders Change %
+1.62%
% of All Funds
13.06%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
123
Increased
351
Reduced
381
Closed
88
Calls
$96.9M
Puts
$40.5M
Net Calls
+$56.4M
Net Calls Change
+$39M

Top Buyers

Rank Fund Capital Flow
1
EIG
EdgePoint Investment Group
Ontario, Canada
+$113M
2
MDSL
M.D. Sass LLC
New York
+$58.2M
3
WP
Woodline Partners
California
+$49M
4
CCMG
Clark Capital Management Group
Pennsylvania
+$45.7M
5
Barclays
Barclays
United Kingdom
+$45.1M

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$80.1M
2
Goldman Sachs
Goldman Sachs
New York
-$70M
3
FMI
Fiduciary Management Inc
Wisconsin
-$63.3M
4
FGP
Freestone Grove Partners
California
-$59M
5
JP Morgan Chase
JP Morgan Chase
New York
-$58.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
NFSG
1001
Newbridge Financial Services Group
Florida
$5.09K +$5.05K +26 New
RCM
1002
Raleigh Capital Management
North Carolina
$4.9K +$4.86K +25 New
MAFA
1003
MJT & Associates Financial Advisory
Minnesota
$4.31K – – –
TCM
1004
Triumph Capital Management
Colorado
$4.31K – – –
SFS
1005
Sunrise Financial Services
Washington
$4.17K – – –
EF
1006
Entrust Financial
Pennsylvania
$4.12K – – –
CFG
1007
Clayton Financial Group
Missouri
$3.72K – – –
DPW
1008
DiNuzzo Private Wealth
Pennsylvania
$3.72K – – –
CFM
1009
Cornerstone Financial Management
Massachusetts
$3.53K +$583 +3 +20%
BHWM
1010
Bay Harbor Wealth Management
Maryland
$3.53K +$583 +3 +20%
BFS
1011
Bare Financial Services
Pennsylvania
$3.33K – – –
CWP
1012
Clark Wealth Partners
Illinois
$3.33K +$1.75K +9 +113%
AT
1013
Arlington Trust
Alabama
$3.33K +$3.3K +17 New
ATC
1014
Adirondack Trust Company
New York
$3.13K – – –
DF
1015
DecisionPoint Financial
Arizona
$2.94K – – –
JFA
1016
JNBA Financial Advisors
Minnesota
$2.94K – – –
RWM
1017
Rialto Wealth Management
New York
$2.94K +$777 +4 +36%
BWL
1018
Bogart Wealth LLC
Virginia
$2.83K +$1.55K +8 +133%
AP
1019
Aspect Partners
Virginia
$2.74K – – –
KG
1020
Kilter Group
New York
$2.74K +$1.75K +9 +180%
SWM
1021
SHP Wealth Management
Massachusetts
$2.74K +$2.72K +14 New
BWAM
1022
Boyd Watterson Asset Management
Ohio
$2.55K – – –
RWM
1023
RMG Wealth Management
Wisconsin
$2.47K – – –
TM
1024
Torren Management
California
$2.39K -$77.3K -398 -97%
VWA
1025
Valued Wealth Advisors
Utah
$2.16K -$583 -3 -21%
39 40
41
42 43

DGX Hedge Fund Activity: Q1 2026 in Review

1,067 of the 8,172 institutional investors tracked by Wall St. Rank reported a position in Quest Diagnostics (DGX) for Q1 2026, worth a combined $20.1B — up 9.1% from $18.4B a quarter earlier.

Buyers outnumbered sellers: 123 funds opened new DGX positions and 88 closed out — a net gain of 35 holders — while 351 added to existing stakes and 381 trimmed.

The largest buyer was EdgePoint Investment Group, adding an estimated $113M. The largest seller was UBS Group, cutting an estimated $80.1M.

  • 1,067 institutional investors held Quest Diagnostics (DGX) as of Q1 2026, up from 1,050 in Q4 2025.
  • Funds reported $20.1B of Quest Diagnostics stock for Q1 2026, up 9.1% quarter-over-quarter.
  • 123 funds opened new Quest Diagnostics positions in Q1 2026 and 88 closed out, a net change of +35 holders.
  • The largest Quest Diagnostics buyer in Q1 2026 was EdgePoint Investment Group, an estimated $113M added.
  • The largest Quest Diagnostics seller in Q1 2026 was UBS Group, an estimated $80.1M sold.

Based on aggregated 13F filings for Q1 2026.