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Sidus Space
SIDU

22 hedge funds and large institutions have $1.06M invested in Sidus Space in 2025 Q3 according to their latest regulatory filings, with 7 funds opening new positions, 5 increasing their positions, 4 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

25% more repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 4

17% more first-time investments, than exits

New positions opened: 7 | Existing positions closed: 6

0% more funds holding

Funds holding: 22 → 22 (0)

1.18% less ownership

Funds ownership: 4.1% → 2.91% (-1.2%)

18% less capital invested

Capital invested by funds: $1.29M → $1.06M (-$226K)

Holders
22
Holders Change
–
Holders Change %
0%
% of All Funds
0.29%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
5
Reduced
4
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$491K
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$155K
3
Goldman Sachs
Goldman Sachs
New York
+$49.7K
4
QC
Quadrature Capital
United Kingdom
+$38.2K
5
Cetera Investment Advisers
Cetera Investment Advisers
Illinois
+$16.3K

Top Sellers

Rank Fund Capital Flow
1
XT
XTX Topco
Cayman Islands
-$168K
2
Millennium Management
Millennium Management
New York
-$78.6K
3
Morgan Stanley
Morgan Stanley
New York
-$63.7K
4
VF
Virtu Financial
New York
-$61K
5
Jane Street
Jane Street
New York
-$41.6K
Name Holding Trade Value Shares
Change 		Change in
Stake
TSS
26
Two Sigma Securities
New York
– -$30.9K -17,862 Closed
TRCT
27
Tower Research Capital (TRC)
New York
– -$6.62K -3,828 Closed
CTC
28
Central Trust Company
Missouri
– -$173 -100 Closed
1
2

SIDU Hedge Fund Activity: Q3 2025 in Review

22 of the 7,625 institutional investors tracked by Wall St. Rank reported a position in Sidus Space (SIDU) for Q3 2025, worth a combined $1.06M — down 18% from $1.29M a quarter earlier.

Buyers outnumbered sellers: 7 funds opened new SIDU positions and 6 closed out — a net gain of 1 holder — while 5 added to existing stakes and 4 trimmed.

The largest buyer was Vanguard Group, adding an estimated $491K. The largest seller was XTX Topco, exiting entirely with an estimated $168K sold.

  • 22 institutional investors held Sidus Space (SIDU) as of Q3 2025, unchanged from Q2 2025.
  • Funds reported $1.06M of Sidus Space stock for Q3 2025, down 18% quarter-over-quarter.
  • 7 funds opened new Sidus Space positions in Q3 2025 and 6 closed out, a net change of +1 holder.
  • The largest Sidus Space buyer in Q3 2025 was Vanguard Group, an estimated $491K added.
  • The largest Sidus Space seller in Q3 2025 was XTX Topco, an estimated $168K sold.

Based on aggregated 13F filings for Q3 2025.