Chembio Diagnostics Ownership

Who are the major shareholders and have insiders been buying or selling?


Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of CEMI?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,770,8665.2%
Institutions2,611,0457.7%
General Public29,604,81887.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 23.5%.


Top Shareholders

Top 25 shareholders own 12.57% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
4.02%
Norman Pessin
1,367,587$494.2k0%no data
3.25%
The Vanguard Group, Inc.
1,104,564$399.2k0%no data
0.82%
Geode Capital Management, LLC
280,112$101.2k2.07%no data
0.61%
BlackRock, Inc.
206,716$74.7k-26.84%no data
0.61%
Susquehanna Fundamental Investments, LLC
206,419$74.6k0%no data
0.4%
Royce & Associates, LP
135,800$49.1k0%no data
0.36%
BNY Mellon Asset Management
123,952$44.8k-0.64%no data
0.33%
Javan Esfandiari
111,251$40.2k0%no data
0.31%
Katherine Davis
106,457$38.5k0%no data
0.24%
Northern Trust Global Investments
82,143$29.7k0%no data
0.2%
Susquehanna International Group, LLP, Asset Management Arm
68,497$24.8k-21.38%no data
0.16%
John Potthoff
54,086$19.5k0%no data
0.16%
State Street Global Advisors, Inc.
53,409$19.3k4.91%no data
0.15%
ValMark Advisers, Inc.
51,413$18.6k0%no data
0.15%
Richard Eberly
51,413$18.6k0%no data
0.14%
Two Sigma Securities, LLC, Asset Management Arm
46,046$16.6k0%no data
0.14%
Neil Goldman
45,903$16.6k0%no data
0.1%
SignatureFD, LLC
35,000$12.6k75%no data
0.069%
Renaissance Technologies LLC
23,500$8.5k0%no data
0.066%
Jane Street Group, LLC, Asset Management Arm
22,472$8.1k-23.34%no data
0.062%
HighTower Advisors, LLC
21,012$7.6k0%no data
0.06%
Newbridge Financial Services Group, Inc.
20,350$7.4k0%no data
0.056%
Group One Trading LP, Asset Management Arm
19,093$6.9k-12.88%no data
0.053%
Citadel Advisors LLC
17,965$6.5k68.81%no data
0.051%
Engineers Gate Manager LP
17,361$6.3k-84.69%no data