Average Insider

Where insiders trade, we follow

Insider Buy/Sell Ratio — Last 30 Days

Extreme outlier transactions (>3σ) are excluded.Show All Data
Ratio0.2:1
Daily Buy & Sell Volume

By Sector

By Industry

Oil & Gas Exploration & Production
Buys41
Sells22
Buy $$3.91M
Sell $$3.78B
Ratio1:965.03
Computer Hardware
Buys2
Sells1186
Buy $$9.90K
Sell $$1.46B
Ratio1:147239.28
% Change vs. Prior
Ratio +inf%Value +86.8%
Semiconductors
Buys35
Sells217
Buy $$468.61K
Sell $$1.00B
Ratio1:2135.93
% Change vs. Prior
Ratio -95.9%Value +2.5%
Biotechnology
Buys198
Sells939
Buy $$194.28M
Sell $$622.78M
Ratio1:3.21
% Change vs. Prior
Ratio +193.4%Value -23.6%
Software - Application
Buys63
Sells528
Buy $$47.62M
Sell $$754.92M
Ratio1:15.85
% Change vs. Prior
Ratio +38.3%Value -1.5%
Software - Infrastructure
Buys26
Sells705
Buy $$4.52M
Sell $$740.43M
Ratio1:163.87
% Change vs. Prior
Ratio -28.9%Value -51.7%
Information Technology Services
Buys31
Sells49
Buy $$9.20M
Sell $$606.92M
Ratio1:65.97
Waste Management
Buys21
Sells2
Buy $$453.60M
Sell $$404.95K
Ratio1120.14:1
% Change vs. Prior
Ratio +317.2%Value -51.7%
Medical - Care Facilities
Buys1
Sells16
Buy $$416.33
Sell $$422.53M
Ratio1:1014888.91
% Change vs. Prior
Ratio -99.8%Value -46.1%
Residential Construction
Buys32
Sells2
Buy $$402.80M
Sell $$366.24K
Ratio1099.83:1
Banks - Regional
Buys98
Sells224
Buy $$5.64M
Sell $$378.68M
Ratio1:67.15
% Change vs. Prior
Ratio +34.9%Value -62.6%
Medical - Diagnostics & Research
Buys2
Sells193
Buy $$7.82K
Sell $$319.28M
Ratio1:40833.76
% Change vs. Prior
Ratio -99.4%Value -55.6%
Asset Management
Buys130
Sells79
Buy $$192.09M
Sell $$83.21M
Ratio2.31:1
% Change vs. Prior
Ratio +7807.5%Value -56.1%
Specialty Retail
Buys36
Sells240
Buy $$82.71M
Sell $$156.86M
Ratio1:1.90
% Change vs. Prior
Ratio +1773.8%Value -79.8%
Auto - Dealerships
Buys108
Sells5
Buy $$180.05M
Sell $$1.68M
Ratio107.27:1
Shares
52
Price
$518.36
Total Value
$26.95K
Shares Held After
992
% of Holdings
5.0%
Sep 8, 2026
Sale
Shares
1,428
Price
$519.31
Total Value
$741.57K
Shares Held After
164,279
% of Holdings
0.9%
Shares
60
Price
$517.42
Total Value
$31.05K
Shares Held After
1,044
% of Holdings
5.4%
Sep 8, 2026
Sale
Shares
2,326
Price
$518.36
Total Value
$1.21M
Shares Held After
165,707
% of Holdings
1.4%
Sep 8, 2026
Sale
Shares
2,662
Price
$517.42
Total Value
$1.38M
Shares Held After
168,033
% of Holdings
1.6%
Shares
16
Price
$516.27
Total Value
$8.26K
Shares Held After
1,103
% of Holdings
1.4%
Sep 8, 2026
Sale
Shares
703
Price
$516.27
Total Value
$362.94K
Shares Held After
170,695
% of Holdings
0.4%
Shares
648
Price
$536.40
Total Value
$347.59K
Shares Held After
62,733
% of Holdings
1.0%
Shares
803
Price
$535.73
Total Value
$430.19K
Shares Held After
63,381
% of Holdings
1.3%
Shares
982
Price
$534.94
Total Value
$525.31K
Shares Held After
64,184
% of Holdings
1.5%
Shares
968
Price
$533.85
Total Value
$516.77K
Shares Held After
65,166
% of Holdings
1.5%
Shares
1,074
Price
$532.85
Total Value
$572.28K
Shares Held After
66,134
% of Holdings
1.6%
Shares
2,225
Price
$531.92
Total Value
$1.18M
Shares Held After
67,208
% of Holdings
3.2%
Shares
1,299
Price
$530.66
Total Value
$689.33K
Shares Held After
69,433
% of Holdings
1.8%
Shares
3,109
Price
$529.83
Total Value
$1.65M
Shares Held After
70,732
% of Holdings
4.2%
Shares
1,739
Price
$528.68
Total Value
$919.37K
Shares Held After
73,841
% of Holdings
2.3%
Shares
2,617
Price
$527.70
Total Value
$1.38M
Shares Held After
75,580
% of Holdings
3.3%
Shares
1,669
Price
$526.68
Total Value
$879.03K
Shares Held After
78,196
% of Holdings
2.1%
Shares
2,073
Price
$525.75
Total Value
$1.09M
Shares Held After
79,866
% of Holdings
2.5%
Shares
1,537
Price
$524.63
Total Value
$806.36K
Shares Held After
81,938
% of Holdings
1.8%
Shares
1,306
Price
$523.81
Total Value
$684.10K
Shares Held After
83,475
% of Holdings
1.5%
Shares
856
Price
$522.65
Total Value
$447.39K
Shares Held After
84,781
% of Holdings
1.0%
Shares
1,278
Price
$521.71
Total Value
$666.75K
Shares Held After
85,637
% of Holdings
1.5%
Shares
423
Price
$520.47
Total Value
$220.16K
Shares Held After
86,916
% of Holdings
0.5%
Shares
820
Price
$519.31
Total Value
$425.83K
Shares Held After
87,338
% of Holdings
0.9%
Shares
1,336
Price
$518.36
Total Value
$692.53K
Shares Held After
88,159
% of Holdings
1.5%
Shares
1,529
Price
$517.42
Total Value
$791.14K
Shares Held After
89,495
% of Holdings
1.7%
Shares
404
Price
$516.27
Total Value
$208.57K
Shares Held After
91,024
% of Holdings
0.4%
Shares
11
Price
$536.40
Total Value
$5.90K
Shares Held After
0
% of Holdings
100.0%
Shares
14
Price
$535.73
Total Value
$7.50K
Shares Held After
11
% of Holdings
56.0%
Shares
17
Price
$534.94
Total Value
$9.09K
Shares Held After
26
% of Holdings
39.5%
Shares
17
Price
$533.85
Total Value
$9.08K
Shares Held After
43
% of Holdings
28.3%
Shares
19
Price
$532.85
Total Value
$10.12K
Shares Held After
60
% of Holdings
24.1%
Shares
39
Price
$531.92
Total Value
$20.74K
Shares Held After
79
% of Holdings
33.1%
Shares
23
Price
$530.66
Total Value
$12.21K
Shares Held After
118
% of Holdings
16.3%
Shares
55
Price
$529.83
Total Value
$29.14K
Shares Held After
141
% of Holdings
28.1%
Shares
31
Price
$528.68
Total Value
$16.39K
Shares Held After
195
% of Holdings
13.7%
Shares
46
Price
$527.70
Total Value
$24.27K
Shares Held After
226
% of Holdings
16.9%
Shares
29
Price
$526.68
Total Value
$15.27K
Shares Held After
272
% of Holdings
9.6%
Shares
36
Price
$525.75
Total Value
$18.93K
Shares Held After
302
% of Holdings
10.7%

BillionToOne, Inc. (BLLN)

Lynch Thomas P. — General Counsel, Chief Compliance Officer and Secretary
Sep 8, 2026
Sale
Shares
232
Price
$100.92
Total Value
$23.41K
Shares Held After
700
% of Holdings
24.9%

BillionToOne, Inc. (BLLN)

Lynch Thomas P. — General Counsel, Chief Compliance Officer and Secretary
Sep 8, 2026
Sale
Shares
2,518
Price
$100.20
Total Value
$252.29K
Shares Held After
932
% of Holdings
73.0%
Shares
27
Price
$524.63
Total Value
$14.17K
Shares Held After
338
% of Holdings
7.4%

BillionToOne, Inc. (BLLN)

Lynch Thomas P. — General Counsel, Chief Compliance Officer and Secretary
Sep 8, 2026
Sale
Shares
576
Price
$98.89
Total Value
$56.96K
Shares Held After
3,450
% of Holdings
14.3%
Shares
23
Price
$523.81
Total Value
$12.05K
Shares Held After
365
% of Holdings
5.9%

BillionToOne, Inc. (BLLN)

Lynch Thomas P. — General Counsel, Chief Compliance Officer and Secretary
Sep 8, 2026
Sale
Shares
147
Price
$101.41
Total Value
$14.91K
Shares Held After
4,026
% of Holdings
3.5%

BillionToOne, Inc. (BLLN)

Lynch Thomas P. — General Counsel, Chief Compliance Officer and Secretary
Sep 8, 2026
Sale
Shares
1,131
Price
$100.33
Total Value
$113.47K
Shares Held After
4,173
% of Holdings
21.3%
Shares
15
Price
$522.65
Total Value
$7.84K
Shares Held After
388
% of Holdings
3.7%

BillionToOne, Inc. (BLLN)

Lynch Thomas P. — General Counsel, Chief Compliance Officer and Secretary
Sep 8, 2026
Sale
Shares
385
Price
$99.22
Total Value
$38.20K
Shares Held After
5,304
% of Holdings
6.8%
Shares
22
Price
$521.71
Total Value
$11.48K
Shares Held After
403
% of Holdings
5.2%
Version: v26.10.1