Constellation Acquisition Corp I
Constellation Acquisition Corp I (CSTA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CSTA · as of Mar 31, 2024
Ownership Breakdown
1
Institutional Holders
▼ 16 vs Q4
$11,529
Total Inst. Value
▼ $40.22M vs Q4
12.24M
Shares Outstanding
freeFloat 36.70%
1,034
13F Shares Held
▼ 3.64M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CSTA largest shareholders · institutional ownership
Q1 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CLEAR STREET LLC blank checks | 1.0K | 0.84% | 0.84% | $11.53M | May 15, 2025 | NEW |
FIR TREE CAPITAL MANAGEMENT LP blank checks | 0 | 0.00% | 0.00% | $0 | May 15, 2024 | EXIT |
UBS OCONNOR LLC blank checks | 0 | 0.00% | 0.00% | $0 | May 15, 2024 | EXIT |
WOLVERINE ASSET MANAGEMENT LLC blank checks | 0 | 0.00% | 0.00% | $0 | May 13, 2024 | EXIT |
OWL CREEK ASSET MANAGEMENT, L.P. blank checks | 0 | 0.00% | 0.00% | $0 | May 15, 2024 | EXIT |
MOORE CAPITAL MANAGEMENT, LP blank checks | 0 | 0.00% | 0.00% | $0 | May 15, 2024 | EXIT |
K2 PRINCIPAL FUND, L.P. blank checks | 0 | 0.00% | 0.00% | $0 | May 14, 2024 | EXIT |
KEPOS CAPITAL LP blank checks | 0 | 0.00% | 0.00% | $0 | May 10, 2024 | EXIT |
WESTCHESTER CAPITAL MANAGEMENT, LLC blank checks | 0 | 0.00% | 0.00% | $0 | May 15, 2024 | EXIT |
MIZUHO SECURITIES USA LLC blank checks | 0 | 0.00% | 0.00% | $0 | May 10, 2024 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2024 vs prior quarter
Q1 2024
0
Increased
+0 shares1
New Positions
first time holders0
Decreased
−0 shares17
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
-16
1 new / 17 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CSTA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
8
Sell transactions
0.00
Buy/Sell ratio
$21M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Owl Creek Asset Management, L.P. 10 percent owner | Oct 6, 2023 | Sale | 250,000 | $10.88 | $2.72M | 250.0K | Form 4 ↗ |
Constellation Sponsor GmbH & Co. KG director | Jan 26, 2023 | Sale | 7,633,750 | — | — | 0 | Form 4 ↗ |
Stapp Thomas Chief Financial Officer | Jan 26, 2023 | Sale | 204,198 | — | — | 0 | Form 4 ↗ |
Stapp Thomas Chief Financial Officer | Jan 26, 2023 | Sale | 204,198 | $306297.00 | $62.55B | 0 | Form 4 ↗ |
Weckwerth Martin director | Jan 26, 2023 | Sale | 77,790 | — | — | 0 | Form 4 ↗ |
Weckwerth Martin director | Jan 26, 2023 | Sale | 1,455,511 | $2183266.50 | $3177.77B | 0 | Form 4 ↗ |
KLEINFELD KLAUS Chief Executive Officer | Jan 26, 2023 | Sale | 77,789 | — | — | 0 | Form 4 ↗ |
KLEINFELD KLAUS Chief Executive Officer | Jan 26, 2023 | Sale | 1,530,511 | $2295766.50 | $3513.70B | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Constellation Acquisition Corp I (CSTA) is primarily owned by institutional investors, who hold approximately 0.0% of total shares outstanding. Company insiders own approximately 63.30%, while retail and public investors account for the remaining 36.69%.
The largest institutional shareholder of Constellation Acquisition Corp I is CLEAR STREET LLC, holding approximately 1,034 shares — equal to 0.84% of outstanding shares — as of March 31, 2024.
A total of 1 institutional investors currently hold CSTA stock, with a combined institutional value of approximately $11,529 as of the most recent 13F filing period.
Frequently asked questions
CSTA ownershipConstellation Acquisition Corp I (CSTA) is primarily owned by institutional investors, who hold approximately 0.0% of shares. The largest shareholder is CLEAR STREET LLC with a 0.84% stake. Company insiders hold 63.30%. Data sourced from SEC Form 13F as of March 31, 2024.