$SIDU

$1.13 +$0.01 (0.89%) Close

$SIDU Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 85.3M shares outstanding

Who owns SIDU?

By type of holder

Institutions 33.4% Insiders 0.0% Everyone else 66.6%

Concentration Top 10 holders own 26.2%

BlackRock, Inc. 9.4% · Vanguard Capital Management LLC 4.2%

Institutional ownership

33.4%

+23.1 pts vs last qtr

Institutional holders

105

+46 vs last qtr

Net shares bought

+19.7M

by institutions in Q2 2026

New / sold out

65 / 19

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +7.4M
Vanguard Portfolio Management LLC NEW +2.0M

Biggest sellers in Q2 2026

SLT Holdings LLC SOLD OUT −269.8K
Foundations Investment Advisors, LLC SOLD OUT −269.8K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Sidus Space Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+14316.6%

+424.35% a year

Each share's claim on the business

−99.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $3.37M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years41% Under 1 year59%

Quarterly turnover

125.2%

of institutional shares changed hands

Top 10 managers, median time held

1.5 years

Super Investors

Investment managers reporting SIDU on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	8.0M	9.41%	+7.4M (+1136.1%)	Q3 '25	0.0%
Shares held by quarter Peak holding8.0M (Q2'26) Change over 8 quarters+8.0M Share of the company9.410% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	3.6M	4.23%	+242.6K (+7.2%)	2024	0.0%
Shares held by quarter Peak holding3.6M (Q2'26) Change over 8 quarters+3.6M Share of the company4.230% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

8.0M

% of company

9.41%

Change vs last qtr

+7.4M (+1136.1%)

Held since

Q3 '25

Vanguard Capital Management LLC

3.6M

% of company

4.23%

Change vs last qtr

+242.6K (+7.2%)

Held since

2024

28 more super investors behind a free account

See every manager holding Sidus Space Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting SIDU on Form N-PORT; together they hold 15.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$7.3M	2.6M	3.05%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$6.16M	2.2M	2.57%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$7.3M

% of company

3.05%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$6.16M

% of company

2.57%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Sidus Space Inc and how much of the fund the position is.

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