Rankings · Capital

Insiders buying

Companies whose directors, officers and largest holders bought more shares on the open market than they sold over the last twelve months, from SEC Form 4 filings, ranked by the net amount bought. Share grants and option exercises are left out.

49 companies meet this test

Figures as of October 1, 2026

#CompanyGradeNet bought by insidersInsiders buyingMarket value
1IMVTIMMUNOVANT, INC.not rated$348.2M1$6.9B
2AKTSAktis Oncology, Inc.not rated$114.3M6$1B
3KYMRKYMERA THERAPEUTICS, INC.D-$101.9M1$9.2B
4SNDASONIDA SENIOR LIVING, INC.D$100M1$1.8B
5STAASTAAR Surgical CoC$62.8M2$1.1B
6KODKODIAK SCIENCES INC.not rated$60M1$5.7B
7MANEVeradermics, Incnot rated$58.1M5$4.9B
8GENBGenerate Biomedicines, Inc.not rated$50.3M6$2B
9BHVNBiohaven Ltd.not rated$30.6M4$2B
10ZBIOZenas BioPharma, Inc.F-$23.8M7$1.7B
11BHCBausch Health Companies Inc.A$15.5M1$2.2B
12AUPHAurinia Pharmaceuticals Inc.A+$12.7M1$2.2B
13SMMTSummit Therapeutics Inc.F$11M3$13.1B
14VRDNViridian Therapeutics, Inc./DED-$9.9M1$2.3B
15PRCTPROCEPT BioRobotics CorporationC-$9.9M1$1B
16AVTRAvantor, Inc.F$8.4M4$10.4B
17SRRKSCHOLAR ROCK HOLDING CORPORATIONF$4.6M1$5.8B
18OPKOPKO Health, Inc.F-$3.2M3$1.2B
19BLLNBillionToOne, Inc.A$3.2M6$6.4B
20ABTABBOTT LABORATORIESB+$2.4M2$175.9B
21MRVIMaravai LifeSciences Holdings, Inc.D-$1.9M2$1.1B
22IDYAIDEAYA Biosciences, Inc.D-$1.6M1$3.6B
23PSNLPersonalis, Inc.D-$1.3M1$1.7B
24COOThe Cooper Companies, Inc.A$1.3M5$10.8B
25PODDINSULET CORPORATIONB+$1.3M3$9.2B

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A ranking orders companies by one stated measure. It is not a recommendation, and it says nothing about whether any share price is reasonable.