STEM
STEM (STEM)
NYSE
$3.10-$0.22 (-6.63%)
Price as of Oct 22, 2026 7:59 PM EDT
  • $32.0M
    Market Cap
  • -84.00%
    1-Year Change
  • Utilities - Renewable
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
118.80%
11.4M
+150,227 (+1.31%)
Dec 31, 2024
BLACKROCK INC.
113.27%
10.9M
-401,086 (-3.68%)
Jun 30, 2024
ONTARIO TEACHERS PENSION PLAN BOARD
53.29%
5.1M
-2.2M (-43.68%)
Dec 31, 2021
SENATOR INVESTMENT GROUP LP
15.06%
1.4M
+25,000 (+1.72%)
Dec 31, 2021
AUTONOMY CAPITAL (JERSEY) L.P.
9.96%
959,037
0 (0.00%)
Dec 31, 2023
ZIMMER PARTNERS, LP
9.87%
950,000
+325,000 (+34.21%)
Dec 31, 2021
CREDIT SUISSE AG/
5.83%
560,885
-194,063 (-34.60%)
Mar 31, 2024

Current Ownership Distribution

  • Institutions1.2B (62.98%)
  • Mutual Funds656.6M (35.68%)
  • Insiders24.7M (1.34%)
  • Other0 (0.00%)

Insider Transactions

  • 1.34% (24.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $1.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
TYSON LAURA D
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
0
Birns Ira M
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
0
Daley Adam
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
0
Shivram Krishna
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
0
TYSON LAURA D
Award
Aug 07, 2026
$0.00
7,486
$0.00
15,473
Birns Ira M
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
14,207
Daley Adam
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
19,535
Shivram Krishna
Exempt
Aug 07, 2026
$0.00
7,486
$0.00
10,597
Musfeldt Brian
Chief Financial Officer
Sell
Jul 20, 2026
$6,085.56
996
$6.11
2,379
Musfeldt Brian
Chief Financial Officer
Exempt
Jul 17, 2026
$0.00
3,375
$0.00
3,375
Musfeldt Brian
Chief Financial Officer
Exempt
Jul 17, 2026
$21,127.50
3,375
$6.26
3,375
Carlson Michael James
President, Managed Services
Sell
Jul 02, 2026
$10,573.95
1,347
$7.85
25,861
Laureles Saul R.
Chief Legal Officer
Sell
Jul 02, 2026
$5,298.75
675
$7.85
34,525
Tappin Matthew
President, Software Products
Sell
Jul 02, 2026
$7,818.60
996
$7.85
9,577
Carlson Michael James
President, Managed Services
Exempt
Jun 30, 2026
$0.00
2,750
$0.00
2,750
Laureles Saul R.
Chief Legal Officer
Exempt
Jun 30, 2026
$0.00
2,750
$0.00
2,750
Carlson Michael James
President, Managed Services
Exempt
Jun 30, 2026
$0.00
5,000
$0.00
5,000
Tappin Matthew
President, Software Products
Exempt
Jun 30, 2026
$0.00
2,750
$0.00
2,750
Carlson Michael James
President, Managed Services
Exempt
Jun 30, 2026
$39,050.00
5,000
$7.81
24,458
Laureles Saul R.
Chief Legal Officer
Exempt
Jun 30, 2026
$0.00
5,000
$0.00
5,000
Carlson Michael James
President, Managed Services
Exempt
Jun 30, 2026
$21,477.50
2,750
$7.81
27,208
Tappin Matthew
President, Software Products
Exempt
Jun 30, 2026
$0.00
5,000
$0.00
5,000
Laureles Saul R.
Chief Legal Officer
Exempt
Jun 30, 2026
$39,050.00
5,000
$7.81
32,450
Tappin Matthew
President, Software Products
Exempt
Jun 30, 2026
$39,050.00
5,000
$7.81
7,823
Laureles Saul R.
Chief Legal Officer
Exempt
Jun 30, 2026
$21,477.50
2,750
$7.81
35,200
Tappin Matthew
President, Software Products
Exempt
Jun 30, 2026
$21,477.50
2,750
$7.81
10,573
Tappin Matthew
President, Software Products
Sell
Mar 10, 2026
$7,283.60
655
$11.12
3,225
Laureles Saul R.
Chief Legal Officer
Sell
Mar 10, 2026
$10,475.04
942
$11.12
27,450
Carlson Michael James
President, Managed Services
Sell
Mar 10, 2026
$23,118.48
2,079
$11.12
19,458
Laureles Saul R.
Chief Legal Officer
Exempt
Mar 07, 2026
$0.00
2,916
$0.00
2,918