Sidus Space Inc. (SIDU) Institutional Ownership

Institutions by Trading Activity

24,903,577Shares Outstanding

6,585,400Shares held by institutions

$21,731,820Value of institutional holdings

26.44%Institutional ownership %

550.17%Shares Changed QoQ

49No. of institutional investors

Sidus Space Inc. (NASDAQ:SIDU) has 1 institutional investors with active 13F positions as of September 2025.

These investors held 0.0% of outstanding shares in September 2025, down from 0.0% in June 2025.
Their total shares held in SIDU maintained 0.0% quarter over quarter, and separately, investors owning Sidus Space stayed flat from a year ago.
Of these 1 holders, 0 added to their stakes in Sidus Space, 0 trimmed positions, and 1 made no changes.
Institutional investors collectively held 914 shares in Sidus Space as of September 2025, with no net change quarter on quarter, and down 8.18Mn shares year over year.
SLT Holdings LLC holds the largest position in SIDU at 269.75K shares as of September 30, 2025, or 1.08% of shares outstanding.
The most significant purchases of SIDU for the quarter ending September 2025 came from SLT Holdings LLC (269.75K), KPP Advisory Services LLC (19.8K), Sovereign Financial Group, Inc. (10.0K), SIGNATUREFD, LLC (1.55K).
Top sellers of SIDU stock for the quarter ending September 2025 included SG Americas Securities, LLC (27.26K).
Per Business Quant data, the top 5 holders of Sidus Space for the quarter ending September 2025 are SLT Holdings LLC (269.75K), KPP Advisory Services LLC (19.8K), SG Americas Securities, LLC (10.22K), Sovereign Financial Group, Inc. (10.0K), SIGNATUREFD, LLC (1.55K).

6,585,400 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
HRT FINANCIAL LP	31 Dec, 2025	1,364,142	1,364,142	0.00%	$4,283.00
HRT FINANCIAL LP	31 Dec, 2025	1,364,142	1,364,142	0.00%	$4,283.00
HRT FINANCIAL LP	31 Dec, 2025	1,364,142	1,364,142	0.00%	$4,283.00
HRT FINANCIAL LP	31 Dec, 2025	1,364,142	1,364,142	0.00%	$4,283.00
HRT FINANCIAL LP	31 Dec, 2025	1,364,142	1,364,142	0.00%	$4,283.00
VANGUARD GROUP INC	31 Dec, 2025	1,267,451	704,823	125.27%	$3,979,796.00
VANGUARD GROUP INC	31 Dec, 2025	1,267,451	704,823	125.27%	$3,979,796.00
VANGUARD GROUP INC	31 Dec, 2025	1,267,451	704,823	125.27%	$3,979,796.00
VANGUARD GROUP INC	31 Dec, 2025	1,267,451	704,823	125.27%	$3,979,796.00
VANGUARD GROUP INC	31 Dec, 2025	1,267,451	704,823	125.27%	$3,979,796.00
JANE STREET GROUP, LLC	31 Dec, 2025	743,409	719,196	2,970.29%	$2,334,305.00
JANE STREET GROUP, LLC	31 Dec, 2025	743,409	719,196	2,970.29%	$2,334,305.00
JANE STREET GROUP, LLC	31 Dec, 2025	743,409	719,196	2,970.29%	$2,334,305.00
JANE STREET GROUP, LLC	31 Dec, 2025	743,409	719,196	2,970.29%	$2,334,305.00
JANE STREET GROUP, LLC	31 Dec, 2025	743,409	719,196	2,970.29%	$2,334,305.00
UBS Group AG	31 Dec, 2025	498,999	497,180	27,332.60%	$1,566,857.00
UBS Group AG	31 Dec, 2025	498,999	497,180	27,332.60%	$1,566,857.00
UBS Group AG	31 Dec, 2025	498,999	497,180	27,332.60%	$1,566,857.00
UBS Group AG	31 Dec, 2025	498,999	497,180	27,332.60%	$1,566,857.00
UBS Group AG	31 Dec, 2025	498,999	497,180	27,332.60%	$1,566,857.00

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