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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.

Other share classesCSTAFCSTWF

13F holders, Q1 2022

Institutional positions in Constellation Acquisition Corp I as of Mar 31, 2022. 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
28
−9 vs. Q4 2021
Shares held
3.26M
−1.56M (−32.3%) vs. Q4 2021
Total value
$32.1M
−$15.9M (−33.2%) vs. Q4 2021
New holders
0
4 more added
Sold out
9
5 more reduced

Compare with Q4 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.

Institutional holdersQ1 2022: 28 institutions
Q1 2021: 69 institutionsQ2 2021: 52 institutionsQ3 2021: 45 institutionsQ4 2021: 37 institutionsQ1 2022: 28 institutionsQ2 2022: 27 institutionsQ3 2022: 22 institutionsQ4 2022: 16 institutionsQ1 2023: 6 institutionsQ2 2023: 5 institutionsQ3 2023: 5 institutionsQ4 2023: 5 institutionsQ1 2024: 1 institutionQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2022: $32.1M
Q1 2021: $149.3MQ2 2021: $97.2MQ3 2021: $80.0MQ4 2021: $48.1MQ1 2022: $32.1MQ2 2022: $25.7MQ3 2022: $17.8MQ4 2022: $6.56MQ1 2023: $1.19MQ2 2023: $778.4KQ3 2023: $826.7KQ4 2023: $354.1KQ1 2024: $57.5KQ2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding CSTUF and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20241$57.5K
Q4 20235$354.1K
Q3 20235$826.7K
Q2 20235$778.4K
Q1 20236$1.19M
Q4 202216$6.56M
Q3 202222$17.8M
Q2 202227$25.7M
Q1 202228$32.1M
Q4 202137$48.1M
Q3 202145$80.0M
Q2 202152$97.2M
Q1 202169$149.3M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Constellation Acquisition Corp I; share changes are against Q4 2021.

Institutions holding CSTUF in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
HGC Investment Management Inc.968,478$9.54M0.57%−298,957−23.6%Reduced
Magnetar Financial LLC770,736$7.59M0.08%−18,215−2.3%Reduced
Longfellow Investment Management Co LLC433,764$4.27M0.69%+49,411+12.9%Added
Parallax Volatility Advisers, L.P.120,133$1.18M0.03%−4,597−3.7%Reduced
JPMorgan Chase & Co100,000$985.0K0.00%00.0%Unchanged
Mint Tower Capital Management B.V.100,000$985.0K0.11%00.0%Unchanged
Boothbay Fund Management, LLC92,622$912.0K0.03%+1,124+1.2%Added
Royal Bank of Canada87,286$859.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc85,304$840.0K0.00%00.0%Unchanged
HRT Financial LP64,780$637.0K0.00%00.0%Unchanged
Janus Henderson Group PLC61,109$602.0K0.00%00.0%Unchanged
Venator Capital Management Ltd.50,000$492.0K0.42%00.0%Unchanged
Wealthspring Capital LLC46,588$459.0K0.09%+1,200+2.6%Added
Susquehanna International Group, LLP45,557$449.0K0.00%00.0%Unchanged
Kepos Capital LP40,000$394.0K0.03%00.0%Unchanged
Sage Mountain Advisors LLC37,347$368.0K0.06%−310−0.8%Reduced
Schechter Investment Advisors, LLC33,028$325.0K0.03%00.0%Unchanged
Jane Street Group, LLC30,046$296.0K0.00%+208+0.7%Added
Angelo Gordon & Co., L.P.27,529$271.0K0.03%00.0%Unchanged
Calamos Advisors LLC20,000$197.0K0.00%00.0%Unchanged
Manatuck Hill Partners, LLC15,000$148.0K0.06%00.0%Unchanged
Walleye Capital LLC12,000$118.0K0.00%00.0%Unchanged
Mariner Investment Group LLC10,000$98.0K0.12%00.0%Unchanged
Morgan Stanley9,615$95.0K0.00%00.0%Unchanged
UBS Group AG1,317$13.0K0.00%−135−9.3%Reduced
Condor Capital Management220$2.00K0.00%00.0%Unchanged
Sculptor Capital LP1$00.00%00.0%Unchanged
DuPont Capital Management Corp4$00.00%00.0%Unchanged
Aristeia Capital LLC0$00.00%−621,988−100.0%Sold out
Glazer Capital, LLC0$00.00%−450,000−100.0%Sold out
BCK Capital Management LP0$00.00%−54,293−100.0%Sold out
CSS LLC0$00.00%−50,205−100.0%Sold out
Nomura Holdings Inc0$00.00%−50,000−100.0%Sold out
Deutsche Bank AG0$00.00%−26,000−100.0%Sold out
Context Capital Management, LLC0$00.00%−19,300−100.0%Sold out
DeepCurrents Investment Group LLC0$00.00%−14,184−100.0%Sold out
Ancora Advisors, LLC0$00.00%−400−100.0%Sold out