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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
UM
326
UniSuper Management
Australia
$2.53M -$184K -945 -7%
SW
327
SVB Wealth
Massachusetts
$2.52M -$870K -4,479 -26%
PA
328
Pinnacle Associates
New York
$2.51M +$4.47K +23 +0.2%
Wealth Enhancement Advisory Services
329
Wealth Enhancement Advisory Services
Minnesota
$2.51M -$595K -3,060 -18%
DM
330
Diversified Management
Wisconsin
$2.47M +$1.95M +10,013 +386%
OPERF
331
Oregon Public Employees Retirement Fund
Oregon
$2.46M -$38.9K -200 -2%
AWA
332
Acumen Wealth Advisors
Tennessee
$2.45M +$230K +1,182 +10%
DCM
333
Dean Capital Management
Kansas
$2.45M -$389 -2 -0%
IA
334
IFP Advisors
Florida
$2.44M -$737K -3,792 -23%
KCPG
335
Kavar Capital Partners Group
Kansas
$2.42M -$67K -345 -3%
LTAS
336
Linden Thomas Advisory Services
North Carolina
$2.39M +$49.9K +257 +2%
HWM
337
HB Wealth Management
Georgia
$2.36M +$144K +742 +7%
KA
338
Kintegral Advisory
New York
$2.35M -$103K -531 -4%
NA
339
NewEdge Advisors
Louisiana
$2.34M -$302K -1,552 -11%
WAM
340
Weatherly Asset Management
California
$2.34M -$69.9K -360 -3%
IIA
341
ICW Investment Advisors
Arizona
$2.32M +$50.1K +258 +2%
BTD
342
BankPlus Trust Department
Mississippi
$2.31M -$272K -1,398 -11%
PFM
343
Patton Fund Management
Texas
$2.31M -$3.94M -20,266 -63%
MOACM
344
Mutual of America Capital Management
New York
$2.3M -$47.4K -244 -2%
AAM
345
Advisors Asset Management
Colorado
$2.3M -$72.7K -374 -3%
OAC
346
OMERS Administration Corp
Ontario, Canada
$2.28M +$1.96M +10,073 +643%
CAM
347
Cozad Asset Management
Illinois
$2.26M +$199K +1,022 +10%
AI
348
Atria Investments
North Carolina
$2.26M -$79.5K -409 -3%
ZIG
349
Zurich Insurance Group
Switzerland
$2.25M
Arrowstreet Capital
350
Arrowstreet Capital
Massachusetts
$2.25M +$2.23M +11,468 New