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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, Q4 2021

Institutional positions in Constellation Acquisition Corp I as of Dec 31, 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
37
−8 vs. Q3 2021
Shares held
4.82M
−3.25M (−40.3%) vs. Q3 2021
Total value
$48.1M
−$32.0M (−39.9%) vs. Q3 2021
New holders
2
6 more added
Sold out
10
8 more reduced

Compare with Q3 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 holdersQ4 2021: 37 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 heldQ4 2021: $48.1M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Constellation Acquisition Corp I; share changes are against Q3 2021.

Institutions holding CSTUF in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
HGC Investment Management Inc.1,267,435$12.6M0.78%−25,200−1.9%Reduced
Magnetar Financial LLC788,951$7.90M0.08%−17,185−2.1%Reduced
Aristeia Capital LLC621,988$6.20M0.11%00.0%Unchanged
Glazer Capital, LLC450,000$4.47M0.11%−1,199,790−72.7%Reduced
Longfellow Investment Management Co LLC384,353$3.83M0.62%+104,270+37.2%Added
Parallax Volatility Advisers, L.P.124,730$1.25M0.02%+67,729+118.8%Added
JPMorgan Chase & Co100,000$997.0K0.00%00.0%Unchanged
Mint Tower Capital Management B.V.100,000$997.0K0.17%00.0%Unchanged
Boothbay Fund Management, LLC91,498$916.0K0.03%+2,581+2.9%Added
Royal Bank of Canada87,286$870.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc85,304$848.0K0.00%+85,304New
HRT Financial LP64,780$645.0K0.00%−418−0.6%Reduced
Janus Henderson Group PLC61,109$609.0K0.00%00.0%Unchanged
BCK Capital Management LP54,293$541.0K0.36%+833+1.6%Added
CSS LLC50,205$500.0K0.02%00.0%Unchanged
Nomura Holdings Inc50,000$498.0K0.00%00.0%Unchanged
Venator Capital Management Ltd.50,000$498.0K0.31%00.0%Unchanged
Susquehanna International Group, LLP45,557$453.0K0.00%−17,745−28.0%Reduced
Wealthspring Capital LLC45,388$450.0K0.10%−7,088−13.5%Reduced
Kepos Capital LP40,000$400.0K0.03%−400,000−90.9%Reduced
Sage Mountain Advisors LLC37,657$374.0K0.05%−690−1.8%Reduced
Schechter Investment Advisors, LLC33,028$328.0K0.03%+33,028New
Jane Street Group, LLC29,838$297.0K0.00%+200+0.7%Added
Angelo Gordon & Co., L.P.27,529$274.0K0.03%00.0%Unchanged
Deutsche Bank AG26,000$258.0K0.00%00.0%Unchanged
Calamos Advisors LLC20,000$200.0K0.00%00.0%Unchanged
Context Capital Management, LLC19,300$192.0K0.01%00.0%Unchanged
Manatuck Hill Partners, LLC15,000$150.0K0.06%00.0%Unchanged
DeepCurrents Investment Group LLC14,184$141.0K0.00%00.0%Unchanged
Walleye Capital LLC12,000$120.0K0.00%00.0%Unchanged
Mariner Investment Group LLC10,000$99.0K0.04%00.0%Unchanged
Morgan Stanley9,615$96.0K0.00%00.0%Unchanged
UBS Group AG1,452$14.0K0.00%+50+3.6%Added
Ancora Advisors, LLC400$4.00K0.00%00.0%Unchanged
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
Silver Rock Financial LP0$00.00%−739,025−100.0%Sold out
Millennium Management LLC0$00.00%−435,000−100.0%Sold out
Shaolin Capital Management LLC0$00.00%−314,552−100.0%Sold out
Hound Partners, LLC0$00.00%−124,381−100.0%Sold out
Lombard Odier Asset Management (USA) Corp0$00.00%−100,000−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−85,304−100.0%Sold out
EMG Holdings, L.P.0$00.00%−40,000−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−21,373−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−20,000−100.0%Sold out
Picton Mahoney Asset Management0$00.00%−2−100.0%Sold out