CAMBRIDGE ACQUISITION CORP CAQUW
*W EXP 01/30/203 · Equity WRT · CUSIP G1871M116
- SectorBlank check (SPAC)
- IndustryBlank Checks
- HeadquartersBoston, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $0.30. Options: 1 managers hold calls ($50.0k notional), 0 hold puts (—).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2026 | 9 |
| Q2 2026 | 37 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $0 | $0 | — |
| Q4 2025 | $0 | $0 | — |
| Q1 2026 | $0 | $0 | — |
| Q2 2026 | $50.0k | $0 | 0.00 |
Biggest buyers
| ADAGE CAPITAL PARTNERS GP, L.L.C. | New | +600.0k |
| Magnetar Financial LLC | New | +566.7k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | New | +366.7k |
| BNP PARIBAS FINANCIAL MARKETS | New | +324.9k |
| SONA ASSET MANAGEMENT (US) LLC | New | +316.7k |
| AQR Arbitrage LLC | New | +246.6k |
| Kryger Capital LLC | New | +214.3k |
| GLAZER CAPITAL, LLC | New | +200.0k |
| MOORE CAPITAL MANAGEMENT, LP | New | +200.0k |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | New | +173.6k |
Biggest sellers
| TWO SIGMA INVESTMENTS, LP | Sold out | -120.8k |
| Parallax Volatility Advisers, L.P. | Reduced | -55.0k |
| Virtu Financial LLC | Sold out | -43.0k |
| Clear Street Group Inc. | Reduced | -800 |
Biggest calls
| MILLENNIUM MANAGEMENT LLC | New | $50.0k166.7k shares |
Biggest puts
| None |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 1 | $5.0m | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.00% of their portfolio | 600.0k $180.0k | New |
| Magnetar Financial LLC 0.00% of their portfolio | 566.7k $170.0k | New |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.00% of their portfolio | 366.7k $110.0k | New |
| TENOR CAPITAL MANAGEMENT Co., L.P. 0.00% of their portfolio | 333.3k $100.0k | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 324.9k $97.5k | New |
| SONA ASSET MANAGEMENT (US) LLC 0.00% of their portfolio | 316.7k $95.0k | New |
| Hudson Bay Capital Management LP 0.00% of their portfolio | 266.7k $80.0k | Unchanged |
| AQR Arbitrage LLC 0.00% of their portfolio | 246.6k $74.0k | New |
| Kryger Capital LLC 0.00% of their portfolio | 214.3k $64.3k | New |
| GLAZER CAPITAL, LLC 0.00% of their portfolio | 200.0k $60.0k | New |
| MOORE CAPITAL MANAGEMENT, LP 0.00% of their portfolio | 200.0k $60.0k | New |
| Radcliffe Capital Management, L.P. 0.00% of their portfolio | 183.3k $59.6k | Unchanged |
| RIVERNORTH CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 173.6k $69.5k | New |
| MMCAP International Inc. SPC 0.00% of their portfolio | 166.7k $50.0k | New |
| BERKLEY W R CORP 0.00% of their portfolio | 141.7k $42.5k | Unchanged |
| WHITEBOX ADVISORS LLC 0.00% of their portfolio | 133.3k $40.0k | New |
| Linden Advisors LP 0.00% of their portfolio | 116.7k $37.9k | New |
| Periscope Capital Inc. 0.01% of their portfolio | 116.5k $35.0k | New |
| Lineage Point Capital LP 0.01% of their portfolio | 100.0k $30.0k | New |
| Centiva Capital, LP 0.00% of their portfolio | 91.7k $27.5k | New |
| Clear Street Group Inc. 0.00% of their portfolio | 79.0k $23.7k | Reduced -800 |
| Polar Asset Management Partners Inc. 0.00% of their portfolio | 74.2k $22.2k | New |
| Parallax Volatility Advisers, L.P. 0.00% of their portfolio | 70.0k $21.0k | Reduced -55.0k |
| PICTON MAHONEY ASSET MANAGEMENT 0.00% of their portfolio | 66.7k $20.0k | New |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 55.0k $16.5k | New |
| Shaolin Capital Management LLC 0.00% of their portfolio | 47.8k $14.3k | New |
| Verition Fund Management LLC 0.00% of their portfolio | 45.8k $13.8k | Unchanged |
| Mint Tower Capital Management B.V. 0.00% of their portfolio | 41.7k $12.0k | New |
| Cable Car Capital, LP 0.00% of their portfolio | 33.3k $10.0k | New |
| K2 PRINCIPAL FUND, L.P. 0.00% of their portfolio | 33.3k $10.0k | New |
| GRITSTONE ASSET MANAGEMENT LLC 0.01% of their portfolio | 33.3k $10.0k | New |
| DLD Asset Management, LP 0.00% of their portfolio | 33.3k $10.0k | New |
| Kepos Capital LP 0.01% of their portfolio | 27.2k $8.0k | New |
| HEIGHTS CAPITAL MANAGEMENT, INC 0.00% of their portfolio | 18.3k $5.5k | New |
| ABC ARBITRAGE SA 0.00% of their portfolio | 13.3k $4.0k | New |
| PenderFund Capital Management Ltd. 0.00% of their portfolio | 3.3k $1.0k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 2.2k $1.0k | New |