SIDU
SIDUS SPACE-A (SIDU)
NASDAQ
$2.36-$0.02 (-0.63%)
Price as of Aug 21, 2026 7:59 PM EDT
  • $239.7M
    Market Cap
  • 100.85%
    1-Year Change
  • Aerospace & Defense
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
1.26%
1.3M
+704,823 (+55.61%)
Dec 31, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
1.07%
1.1M
+1.1M (+100.00%)
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
0.75%
755,306
+417,340 (+55.25%)
Mar 31, 2026
BLACKROCK, INC.
0.65%
649,273
+646,941 (+99.64%)
Mar 31, 2026
UBS GROUP AG
0.47%
472,372
-26,627 (-5.64%)
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
0.44%
445,228
+445,228 (+100.00%)
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO
0.38%
379,931
+379,931 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Other55.9M (55.65%)
  • Institutions31.7M (31.53%)
  • Mutual Funds12.6M (12.50%)
  • Insiders322,343 (0.32%)

Insider Transactions

  • 0.32% (322,343)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
SHUMAN JEFFREY S
Award
Jul 01, 2026
$0.00
47,655
$0.00
47,655
Wendling Kelle B.
Award
Jul 01, 2026
$0.00
17,241
$0.00
17,241
Riera Leonardo
Award
Jul 01, 2026
$0.00
21,990
$0.00
21,990
Coffey Lavanson
Award
Jul 01, 2026
$0.00
24,365
$0.00
24,365
SHUMAN JEFFREY S
Exempt
Jul 01, 2026
$0.00
16,621
$0.00
31,034
Coffey Lavanson
Exempt
Jul 01, 2026
$0.00
7,124
$0.00
17,241
Riera Leonardo
Exempt
Jul 01, 2026
$0.00
4,749
$0.00
17,241
Coffey Lavanson
Exempt
Jul 01, 2026
$0.00
7,124
$0.00
13,006
SHUMAN JEFFREY S
Exempt
Jul 01, 2026
$0.00
16,621
$0.00
47,307
Riera Leonardo
Exempt
Jul 01, 2026
$0.00
4,749
$0.00
13,916
Kilborne Dana S
Exempt
Oct 01, 2025
$0.00
735
$0.00
2,206
Coffey Lavanson
Exempt
Oct 01, 2025
$0.00
735
$0.00
2,206
Kilborne Dana S
Exempt
Oct 01, 2025
$0.00
735
$0.00
8,690
Oliver John Cole
Exempt
Oct 01, 2025
$0.00
490
$0.00
1,471
Coffey Lavanson
Exempt
Oct 01, 2025
$0.00
735
$0.00
3,676
Oliver John Cole
Exempt
Oct 01, 2025
$0.00
490
$0.00
7,465
SHUMAN JEFFREY S
Award
Aug 01, 2025
$0.00
15,686
$0.00
15,686
Coffey Lavanson
Award
Aug 01, 2025
$0.00
5,882
$0.00
5,882
Oliver John Cole
Award
Aug 01, 2025
$0.00
8,936
$0.00
8,936
Riera Leonardo
Award
Aug 01, 2025
$0.00
9,167
$0.00
9,167
SHUMAN JEFFREY S
Exempt
Aug 01, 2025
$0.00
15,686
$0.00
0
Coffey Lavanson
Exempt
Aug 01, 2025
$0.00
5,882
$0.00
0
Oliver John Cole
Exempt
Aug 01, 2025
$0.00
8,936
$0.00
0
Kilborne Dana S
Award
Aug 01, 2025
$0.00
10,896
$0.00
10,896
SHUMAN JEFFREY S
Exempt
Aug 01, 2025
$0.00
15,686
$0.00
30,686
Coffey Lavanson
Exempt
Aug 01, 2025
$0.00
5,882
$0.00
5,882
Oliver John Cole
Exempt
Aug 01, 2025
$0.00
8,936
$0.00
8,936
Riera Leonardo
Exempt
Aug 01, 2025
$0.00
9,167
$0.00
0
Kilborne Dana S
Exempt
Aug 01, 2025
$0.00
10,896
$0.00
0
Riera Leonardo
Exempt
Aug 01, 2025
$0.00
9,167
$0.00
9,167