Platform Features
Platform Features
Features
Investment Products
Private Wealth Management
Trading Tools
Market Data Services
Analysis Tools
News Services
For Developers
Account Types
For Individuals
For Institutions
Café
More
Log in / Sign up
Stem
STEM
4.030
7.78% ( -0.340 )
Closed: Sep 22, 16:00:00 (EDT)
Start trading
Overview
Overview
Options
Options
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Public and others
74.59%
Institutions
21.72%
Individuals & Insiders
3.69%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Vanguard Capital Management, LLC
4.34%
418.15K
0.25%
+24.62K
06/30/2026
Marshall Wace LLP
4.21%
405.61K
0.81%
+114.27K
06/30/2026
Angeleno Group, LLC
2.23%
214.49K
<0.01%
+0
08/07/2026
BlackRock, Inc.
1.71%
164.48K
0.14%
+29.77K
06/30/2026
Trexquant Investment LP
1.15%
110.64K
0.08%
+18.96K
06/30/2026
Two Sigma Investments, LP
1.07%
103.23K
0.97%
-72.16K
06/30/2026
GSA Capital Partners LLP
1.06%
102.32K
0.20%
-6.18K
06/30/2026
John Carrington
Former Advisor
1.03%
99.21K
0.13%
+0
03/31/2025
BNP Paribas Financial Markets SNC
0.97%
93.09K
0.35%
+40.00K
06/30/2026
Geode Capital Management, LLC
0.97%
93.01K
0.11%
+962.00
06/30/2026
Acadian Asset Management LLC
0.78%
74.65K
0.65%
+64.08K
06/30/2026
Renaissance Technologies LLC
0.69%
66.48K
<0.01%
+7.91K
06/30/2026
Bridgeway Capital Management, LLC
0.62%
59.60K
0.19%
-10.00K
06/30/2026
David Buzby
Independent Chairman of the Board
0.53%
51.05K
0.08%
+7.49K
08/07/2026
Longaeva Partners L.P.
0.50%
48.19K
--
+48.19K
06/30/2026
State Street Investment Management
0.40%
38.28K
0.05%
-1.00
06/30/2026
Morgan Stanley
0.39%
37.49K
0.17%
-10.37K
06/30/2026
Saul Laureles
Chief Legal Officer & Corporate Secretary
0.36%
34.53K
0.07%
+7.08K
07/02/2026
Cohen & Steers Capital Management, Inc.
0.33%
31.89K
0.04%
+0
06/30/2026
XTX Markets Limited
0.31%
29.48K
0.19%
+19.31K
06/30/2026