Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 1/29/2026 10:05:26 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
-- ($21.09) M
0 Insiders 11 Insiders
0 Transactions 31 Transactions
12/29/2025 to 1/29/2026
3 Month
Buy/Sell Ratio 0.01
0%
100%
Buy Sell
$788,395 ($117.24) M
8 Insiders 55 Insiders
8 Transactions 131 Transactions
10/29/2025 to 1/29/2026
6 Month
Buy/Sell Ratio 0.02
2%
98%
Buy Sell
$3.91 M ($183.47) M
11 Insiders 72 Insiders
15 Transactions 245 Transactions
7/29/2025 to 1/29/2026
12 Month
Buy/Sell Ratio 0.03
2%
98%
Buy Sell
$7.61 M ($296.58) M
13 Insiders 98 Insiders
20 Transactions 477 Transactions
1/29/2025 to 1/29/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Biodesix Inc
$3,928,047 6
Fulgent Genetics, Inc.
$1,596,470 1
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

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($36,216,676) 16
Guardant Health, Inc.
($27,238,215) 2
Natera, Inc.
($24,312,524) 15
Natera, Inc.
($17,708,936) 1
Guardant Health, Inc.
($17,163,673) 6
Natera, Inc.
($14,152,722) 26
Natera, Inc.
($12,325,001) 34
Natera, Inc.
($11,849,580) 14
GRAIL, Inc.
($11,020,081) 12
Natera, Inc.
($11,011,477) 1

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
Fulgent Genetics, Inc. 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Natera, Inc. 11 132
Radnet, Inc. 11 24
Veracyte, Inc. 10 26
Guardant Health, Inc. 10 21
LABCORP HOLDINGS INC. 9 18
Quest Diagnostics Inc 8 20
Caredx, Inc. 6 13
Sera Prognostics, Inc. 6 11
Castle Biosciences Inc 5 44
Exact Sciences Corp 5 9

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Natera, Inc. 0.00 $0 ($15,637,074) 0.00 $0 ($81,667,410) 0.00 $0 ($136,822,644)
Celcuity Inc. 0.00 $0 ($2,400,538) 0.00 $0 ($3,900,554) 0.00 $0 ($8,718,924)
Guardant Health, Inc. 0.00 $0 ($2,102,181) 0.00 $0 ($42,183,102) 0.00 $0 ($54,794,178)
Caredx, Inc. 0.00 $0 ($626,027) 0.00 $0 ($841,935) 0.00 $0 ($2,396,990)
Castle Biosciences Inc 0.00 $0 ($316,426) 0.00 $0 ($7,003,375) 0.00 $0 ($8,671,518)
Sera Prognostics, Inc. 0.00 $0 ($11,940) 0.00 $0 ($569,919) 0.00 $0 ($1,146,746)
Personalis, Inc. -- $0 $0 0.00 $0 ($266,212) 0.00 $0 ($292,579)
LABCORP HOLDINGS INC. -- $0 $0 0.00 $0 ($5,327,111) 0.00 $0 ($11,569,228)
Exact Sciences Corp -- $0 $0 0.00 $0 ($1,802,808) 0.00 $0 ($1,973,421)
Quest Diagnostics Inc -- $0 $0 0.00 $0 ($1,230,892) 0.00 $0 ($11,435,831)
Fulgent Genetics, Inc. -- $0 $0 0.00 $0 ($575,130) 2.37 $1,596,470 ($673,267)
Veracyte, Inc. -- $0 $0 0.00 $0 ($4,351,724) 0.00 $0 ($7,188,416)
Biodesix Inc -- $0 $0 -- $2,611,422 $0 -- $3,928,047 $0
Exagen Inc. -- $0 $0 0.00 $0 ($575,961) 0.00 $0 ($575,961)
Radnet, Inc. -- $0 $0 0.00 $0 ($17,906,978) 0.00 $0 ($26,803,181)
Aclarion, Inc. -- $0 $0 -- $62 $0 -- $62 $0
Fortrea Holdings Inc. -- $0 $0 -- $507,168 $0 -- $507,168 $0
GRAIL, Inc. -- $0 $0 0.00 $0 ($15,266,275) 0.00 $0 ($23,519,965)
Caris Life Sciences, Inc. -- $0 $0 -- $110,333 $0 -- $897,833 $0
Billiontoone, Inc. -- $0 $0 -- $678,000 $0 -- $678,000 $0