Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 3/20/2026 10:04:43 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($23.07) M
0 Insiders 37 Insiders
0 Transactions 62 Transactions
2/20/2026 to 3/20/2026
3 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($70.04) M
0 Insiders 43 Insiders
0 Transactions 110 Transactions
12/20/2025 to 3/20/2026
6 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
$788,395 ($182.23) M
8 Insiders 73 Insiders
8 Transactions 247 Transactions
9/20/2025 to 3/20/2026
12 Month
Buy/Sell Ratio 0.02
1%
99%
Buy Sell
$6.01 M ($302.41) M
12 Insiders 96 Insiders
19 Transactions 467 Transactions
3/20/2025 to 3/20/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Biodesix Inc
$3,928,047 6
Caris Life Sciences, Inc.
$630,000 1
Billiontoone, Inc.
$414,000 1
Fortrea Holdings Inc.
$407,150 2
Caris Life Sciences, Inc.
$258,293 2
Billiontoone, Inc.
$150,000 1
Fortrea Holdings Inc.
$100,018 1
Billiontoone, Inc.
$60,000 1
Billiontoone, Inc.
$48,000 1
Caris Life Sciences, Inc.
$9,540 1

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($33,527,192) 17
Natera, Inc.
($28,666,843) 14
Guardant Health, Inc.
($27,238,215) 2
Natera, Inc.
($17,708,936) 1
Guardant Health, Inc.
($17,163,673) 6
Natera, Inc.
($14,112,351) 26
Natera, Inc.
($12,483,703) 33
GRAIL, Inc.
($11,896,762) 12
Natera, Inc.
($11,011,477) 1
GRAIL, Inc.
($9,789,428) 6

Most Unique Insiders Buying (>25K)

12 months
Name Unique insiders Total Trades
Billiontoone, Inc. 4 4
Fortrea Holdings Inc. 2 3
Caris Life Sciences, Inc. 2 3
Biodesix Inc 1 5

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Natera, Inc. 11 130
Veracyte, Inc. 10 26
Guardant Health, Inc. 10 22
LABCORP HOLDINGS INC. 10 20
Radnet, Inc. 10 18
Quest Diagnostics Inc 8 19
Caredx, Inc. 5 12
Exact Sciences Corp 5 9
Castle Biosciences Inc 4 44
GRAIL, Inc. 3 26

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Quest Diagnostics Inc 0.00 $0 ($5,523,820) 0.00 $0 ($6,751,151) 0.00 $0 ($14,815,251)
Natera, Inc. 0.00 $0 ($4,207,909) 0.00 $0 ($94,864,419) 0.00 $0 ($133,426,914)
GRAIL, Inc. 0.00 $0 ($3,955,044) 0.00 $0 ($19,058,690) 0.00 $0 ($26,669,457)
Veracyte, Inc. 0.00 $0 ($3,207,700) 0.00 $0 ($7,249,372) 0.00 $0 ($7,880,589)
LABCORP HOLDINGS INC. 0.00 $0 ($3,022,351) 0.00 $0 ($6,524,418) 0.00 $0 ($14,287,259)
Castle Biosciences Inc 0.00 $0 ($1,986,998) 0.00 $0 ($7,161,514) 0.00 $0 ($9,841,919)
Radnet, Inc. 0.00 $0 ($932,280) 0.00 $0 ($8,366,383) 0.00 $0 ($25,465,021)
Sera Prognostics, Inc. 0.00 $0 ($103,854) 0.00 $0 ($394,424) 0.00 $0 ($830,688)
Exagen Inc. 0.00 $0 ($103,807) 0.00 $0 ($479,406) 0.00 $0 ($679,768)
Guardant Health, Inc. 0.00 $0 ($30,655) 0.00 $0 ($24,122,037) 0.00 $0 ($54,814,158)
Caredx, Inc. -- $0 $0 0.00 $0 ($898,840) 0.00 $0 ($2,039,345)
Personalis, Inc. -- $0 $0 0.00 $0 ($266,212) 0.00 $0 ($292,579)
Exact Sciences Corp -- $0 $0 0.00 $0 ($1,740,409) 0.00 $0 ($1,973,421)
Fulgent Genetics, Inc. -- $0 $0 0.00 $0 ($454,101) 0.00 $0 ($673,267)
Celcuity Inc. -- $0 $0 0.00 $0 ($3,900,554) 0.00 $0 ($8,718,924)
Aclarion, Inc. -- $0 $0 -- $62 $0 -- $62 $0
Caris Life Sciences, Inc. -- $0 $0 -- $110,333 $0 -- $897,833 $0
Billiontoone, Inc. -- $0 $0 -- $678,000 $0 -- $678,000 $0
Biodesix Inc -- $0 $0 -- $0 $0 -- $3,928,047 $0
Fortrea Holdings Inc. -- $0 $0 -- $0 $0 -- $507,168 $0