Constellation Acquisition Corp I
CSTUF- Exchange
- OTC
- Industry
- Blank Checks
- SEC CIK
- 0001834032
No open-market purchases or sales by Constellation Acquisition Corp I insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Constellation Acquisition Corp I as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 45
- −6 vs. Q2 2021
- Shares held
- 8.07M
- −1.61M (−16.7%) vs. Q2 2021
- Total value
- $80.0M
- −$16.8M (−17.4%) vs. Q2 2021
- New holders
- 2
- 10 more added
- Sold out
- 8
- 8 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSTUF on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 1 | $57.5K |
| Q4 2023 | 5 | $354.1K |
| Q3 2023 | 5 | $826.7K |
| Q2 2023 | 5 | $778.4K |
| Q1 2023 | 6 | $1.19M |
| Q4 2022 | 16 | $6.56M |
| Q3 2022 | 22 | $17.8M |
| Q2 2022 | 27 | $25.7M |
| Q1 2022 | 28 | $32.1M |
| Q4 2021 | 37 | $48.1M |
| Q3 2021 | 45 | $80.0M |
| Q2 2021 | 52 | $97.2M |
| Q1 2021 | 69 | $149.3M |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Constellation Acquisition Corp I; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Glazer Capital, LLC | 1,649,790 | $16.3M | 0.29% | −65,290−3.8% | Reduced |
| HGC Investment Management Inc. | 1,292,635 | $12.8M | 0.92% | +3,977+0.3% | Added |
| Magnetar Financial LLC | 806,136 | $8.00M | 0.08% | 00.0% | Unchanged |
| Silver Rock Financial LP | 739,025 | $7.32M | 1.10% | +12,800+1.8% | Added |
| Aristeia Capital LLC | 621,988 | $6.16M | 0.12% | 00.0% | Unchanged |
| Kepos Capital LP | 440,000 | $4.37M | 0.29% | −123,914−22.0% | Reduced |
| Millennium Management LLC | 435,000 | $4.31M | 0.01% | −182,610−29.6% | Reduced |
| Shaolin Capital Management LLC | 314,552 | $3.12M | 0.09% | +65,438+26.3% | Added |
| Longfellow Investment Management Co LLC | 280,083 | $2.78M | 0.45% | +370+0.1% | Added |
| Hound Partners, LLC | 124,381 | $1.23M | 0.07% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 100,000 | $991.0K | 0.00% | 00.0% | Unchanged |
| Lombard Odier Asset Management (USA) Corp | 100,000 | $991.0K | 0.14% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 100,000 | $991.0K | 0.18% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 88,917 | $883.0K | 0.04% | −5,059−5.4% | Reduced |
| Royal Bank of Canada | 87,286 | $865.0K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 85,304 | $845.0K | 0.02% | −100,000−54.0% | Reduced |
| HRT Financial LP | 65,198 | $647.0K | 0.00% | +915+1.4% | Added |
| Susquehanna International Group, LLP | 63,302 | $627.0K | 0.00% | +17,745+39.0% | Added |
| Janus Henderson Group PLC | 61,109 | $605.0K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 57,001 | $566.0K | 0.01% | +15,801+38.4% | Added |
| BCK Capital Management LP | 53,460 | $530.0K | 0.32% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 52,476 | $521.0K | 0.13% | +3,378+6.9% | Added |
| CSS LLC | 50,205 | $498.0K | 0.03% | −10,000−16.6% | Reduced |
| Nomura Holdings Inc | 50,000 | $497.0K | 0.00% | 00.0% | Unchanged |
| Venator Capital Management Ltd. | 50,000 | $496.0K | 0.33% | 00.0% | Unchanged |
| EMG Holdings, L.P. | 40,000 | $396.0K | 0.12% | +40,000 | New |
| Sage Mountain Advisors LLC | 38,347 | $380.0K | 0.06% | +23,139+152.2% | Added |
| Jane Street Group, LLC | 29,638 | $293.0K | 0.00% | 00.0% | Unchanged |
| Angelo Gordon & Co., L.P. | 27,529 | $273.0K | 0.03% | 00.0% | Unchanged |
| Deutsche Bank AG | 26,000 | $258.0K | 0.00% | +16,000+160.0% | Added |
| Prelude Capital Management, LLC | 21,373 | $210.0K | 0.01% | +21,373 | New |
| Calamos Advisors LLC | 20,000 | $199.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 20,000 | $199.0K | 0.00% | 00.0% | Unchanged |
| Context Capital Management, LLC | 19,300 | $191.0K | 0.02% | 00.0% | Unchanged |
| Manatuck Hill Partners, LLC | 15,000 | $149.0K | 0.05% | 00.0% | Unchanged |
| DeepCurrents Investment Group LLC | 14,184 | $141.0K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 12,000 | $119.0K | 0.00% | 00.0% | Unchanged |
| Mariner Investment Group LLC | 10,000 | $99.0K | 0.27% | 00.0% | Unchanged |
| Morgan Stanley | 9,615 | $95.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,402 | $14.0K | 0.00% | −1,721−55.1% | Reduced |
| Ancora Advisors, LLC | 400 | $4.00K | 0.00% | 00.0% | Unchanged |
| Condor Capital Management | 220 | $2.00K | 0.00% | 00.0% | Unchanged |
| Sculptor Capital LP | 1 | $0 | 0.00% | 00.0% | Unchanged |
| DuPont Capital Management Corp | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 2 | – | – | −199,998−100.0% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −411,092−100.0% | Sold out |
| Arena Capital Advisors, LLC- CA | 0 | $0 | 0.00% | −390,385−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Kamunting Street Capital Management, L.P. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Ramius Advisors LLC | 0 | $0 | 0.00% | −43,592−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −10,121−100.0% | Sold out |
| Ellington Management Group LLC | – | – | – | – | Not filed |