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Constellation Acquisition Corp I

CSTWF
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.

Other share classesCSTAFCSTUF

13F holders, Q4 2023

Institutional positions in Constellation Acquisition Corp I as of Dec 31, 2023. 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
42
−3 vs. Q3 2023
Shares held
4.09M
−424.0K (−9.4%) vs. Q3 2023
Total value
$91.6K
−$49.0K (−34.8%) vs. Q3 2023
New holders
3
4 more added
Sold out
6
2 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CSTWF 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.

Institutional holdersQ4 2023: 42 institutions
Q1 2021: 24 institutionsQ2 2021: 34 institutionsQ3 2021: 39 institutionsQ4 2021: 50 institutionsQ1 2022: 50 institutionsQ2 2022: 52 institutionsQ3 2022: 51 institutionsQ4 2022: 49 institutionsQ1 2023: 50 institutionsQ2 2023: 49 institutionsQ3 2023: 47 institutionsQ4 2023: 42 institutionsQ1 2024: 7 institutionsQ2 2024: 1 institutionQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 1 institutionQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2023: $91.6K
Q1 2021: $1.93MQ2 2021: $3.93MQ3 2021: $3.37MQ4 2021: $3.90MQ1 2022: $1.71MQ2 2022: $733.0KQ3 2022: $201.0KQ4 2022: $151.0KQ1 2023: $506.9KQ2 2023: $343.9KQ3 2023: $152.3KQ4 2023: $91.6KQ1 2024: $753.1KQ2 2024: $1.00KQ3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $10.1KQ4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding CSTWF and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20251$10.1K
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20241$1.00K
Q1 20247$753.1K
Q4 202342$91.6K
Q3 202347$152.3K
Q2 202349$343.9K
Q1 202350$506.9K
Q4 202249$151.0K
Q3 202251$201.0K
Q2 202252$733.0K
Q1 202250$1.71M
Q4 202150$3.90M
Q3 202139$3.37M
Q2 202134$3.93M
Q1 202124$1.93M

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Constellation Acquisition Corp I; share changes are against Q3 2023.

Institutions holding CSTWF in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Highbridge Capital Management LLC–$14.3K0.00%––
Adage Capital Partners GP, L.L.C.433,333$8.23K0.00%00.0%Unchanged
Moore Capital Management, LP333,333$6.33K0.00%00.0%Unchanged
Periscope Capital Inc.297,459$5.65K0.00%00.0%Unchanged
Security Benefit Life Insurance Co250,000$4.75K0.00%00.0%Unchanged
Shaolin Capital Management LLC248,225$4.72K0.00%−7,200−2.8%Reduced
Aristeia Capital LLC207,329$4.41K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.231,893$4.41K0.00%+27,715+13.6%Added
Sculptor Capital LP170,833$3.63K0.00%00.0%Unchanged
Walleye Capital LLC178,769$3.40K0.00%00.0%Unchanged
Kim, LLC166,666$3.17K0.00%00.0%Unchanged
Silver Rock Financial LP160,422$3.05K0.02%00.0%Unchanged
Vestcor Inc133,332$3.00K0.00%00.0%Unchanged
UBS Oconnor LLC139,600$2.97K0.00%00.0%Unchanged
Jane Street Group, LLC110,077$2.09K0.00%−317−0.3%Reduced
LMR Partners LLP100,000$1.90K0.00%00.0%Unchanged
Tenor Capital Management Co., L.P.66,666$1.27K0.00%00.0%Unchanged
Mizuho Securities USA LLC110,924$1.11K0.00%+110,924New
Walleye Trading LLC57,897$1.10K0.00%00.0%Unchanged
Polar Asset Management Partners Inc.57,500$1.09K0.00%00.0%Unchanged
Goldman Sachs Group Inc54,799$1.04K0.00%00.0%Unchanged
Kepos Capital LP46,633$1.00K0.00%00.0%Unchanged
Mint Tower Capital Management B.V.33,333$1.00K0.00%00.0%Unchanged
Clear Street LLC46,882$8910.00%+200+0.4%Added
Owl Creek Asset Management, L.P.45,000$8550.00%00.0%Unchanged
Omers Administration Corp41,666$7920.00%00.0%Unchanged
StoneX Group Inc.40,300$7660.00%+40,300New
DuPont Capital Management Corp33,332$6330.00%00.0%Unchanged
Nomura Holdings Inc16,666$5780.00%00.0%Unchanged
Flow State Investments, L.P.30,000$5700.00%+2,372+8.6%Added
Cowen and Company, LLC28,900$5490.00%00.0%Unchanged
UBS Group AG27,034$5140.00%+27,034New
CNH Partners LLC19,332$3670.00%00.0%Unchanged
BCK Capital Management LP18,567$3530.00%00.0%Unchanged
Rivernorth Capital Management, LLC18,380$3490.00%00.0%Unchanged
EMG Holdings, L.P.13,333$2530.00%00.0%Unchanged
Whitebox Advisors LLC12,266$2330.00%00.0%Unchanged
Cubist Systematic Strategies, LLC11,891$2260.00%00.0%Unchanged
Exos TFP Holdings LLC6,448$1230.00%00.0%Unchanged
Wolverine Asset Management LLC940$170.00%00.0%Unchanged
HRT Financial LP24,404$00.00%+2,811+13.0%Added
Segantii Capital Management Ltd66,667––00.0%Unchanged
HGC Investment Management Inc.0$00.00%−272,826−100.0%Sold out
Sona Asset Management (US) LLC0$00.00%−179,388−100.0%Sold out
Radcliffe Capital Management, L.P.0$00.00%−135,566−100.0%Sold out
Castle Creek Arbitrage, LLC0$00.00%−19,798−100.0%Sold out
Spartan Fund Management Inc.0$00.00%−18,266−100.0%Sold out
Longfellow Investment Management Co LLC0$00.00%−1,947−100.0%Sold out
Gritstone Asset Management LLC––––Not filed
RP Investment Advisors LP––––Not filed