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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
BEI
401
Benjamin Edwards Inc
Missouri
$1.61M +$151K +776 +10%
VA
402
Vident Advisory
Georgia
$1.6M +$604K +3,109 +62%
PMAM
403
Picton Mahoney Asset Management
Ontario, Canada
$1.57M +$1.56M +8,023 +114,614%
IMCOOI
404
Investment Management Corp of Ontario (IMCO)
Canada
$1.57M +$97.1K +500 +7%
IA
405
Integrity Alliance
Iowa
$1.55M -$10.3K -53 -0.7%
BF
406
BOK Financial
Oklahoma
$1.52M -$2.46M -12,653 -62%
AF
407
AGP Franklin
Tennessee
$1.51M -$49K -252 -3%
HNB
408
Hilltop National Bank
Wyoming
$1.5M +$9.71K +50 +0.7%
LNWTC
409
Laird Norton Wetherby Trust Company
Washington
$1.49M +$6.61K +34 +0.4%
BAMF
410
BI Asset Management Fondsmaeglerselskab
Denmark
$1.49M -$281K -1,444 -16%
MIM
411
Miller Investment Management
Pennsylvania
$1.49M
PCM
412
Parsons Capital Management
Rhode Island
$1.49M -$75.4K -388 -5%
AWM
413
AE Wealth Management
Kansas
$1.48M +$504K +2,596 +52%
CIS
414
Custom Index Systems
New York
$1.46M -$52.1K -268 -3%
RC
415
Roundview Capital
New Jersey
$1.45M
CI
416
CX Institutional
Indiana
$1.44M +$129K +666 +10%
HNB
417
Huntington National Bank
Ohio
$1.41M +$137K +704 +11%
Brown Advisory
418
Brown Advisory
Maryland
$1.41M -$19.8K -102 -1%
Connor, Clark & Lunn Investment Management (CC&L)
419
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.41M +$934K +4,809 +203%
ALMGDA
420
AG2R La Mondiale Gestion d'Actifs
France
$1.4M +$1.39M +7,136 New
DILIC
421
Dai-ichi Life Insurance Company
Japan
$1.38M +$357K +1,836 +35%
FDCDDQ
422
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.37M -$386K -1,988 -22%
BDA
423
Borer Denton & Associates
Pennsylvania
$1.34M -$19.4K -100 -1%
PFPG
424
Pinnacle Financial Partners (Georgia)
Georgia
$1.32M +$985K +5,069 +303%
VIS
425
Vega Investment Solutions
France
$1.32M -$41.8K -215 -3%