SUMA ACQUISITION CORP SUMAU
UNIT 03/05/2031 · Unit · CUSIP G8557R129
- SectorBlank check (SPAC)
- IndustryBlank Checks
- 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 ≈ $10.10.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2026 | 45 |
| Q2 2026 | 8 |
Biggest buyers
| TORONTO DOMINION BANK | Added | +100.0k |
| Clear Street Group Inc. | Added | +10.1k |
| HRT FINANCIAL LP | Added | +300 |
Biggest sellers
| Magnetar Financial LLC | Sold out | -1.5m |
| Alberta Investment Management Corp | Sold out | -1.4m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Sold out | -1.4m |
| Polar Asset Management Partners Inc. | Sold out | -1.3m |
| Centiva Capital, LP | Sold out | -1.0m |
| GLAZER CAPITAL, LLC | Sold out | -863.4k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Sold out | -860.0k |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | Sold out | -714.5k |
| MILLENNIUM MANAGEMENT LLC | Sold out | -650.0k |
| BERKLEY W R CORP | Sold out | -546.8k |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Magnetar Financial LLC 13G · institution new · filed 2026-05-13 | 8.4% |
| Polar Asset Management Partners Inc. 13G · institution new · filed 2026-05-15 | 7.4% |
| GLAZER CAPITAL, LLC 13G · institution +1.2 pts · filed 2026-08-13 | 6.2% |
Fell to 5% or below in the last year: Centiva Capital, LP (0.0%, 2026-08-13), MILLENNIUM MANAGEMENT LLC (3.7%, 2026-03-18)
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 | $3.2m | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| TORONTO DOMINION BANK 0.00% of their portfolio | 250.0k $2.5m | Added +100.0k |
| ARISTEIA CAPITAL, L.L.C. 0.04% of their portfolio | 250.0k $2.5m | Unchanged |
| Lineage Point Capital LP 0.31% of their portfolio | 150.2k $1.5m | Unchanged |
| BOOTHBAY FUND MANAGEMENT, LLC 0.03% of their portfolio | 147.5k $1.5m | Unchanged |
| Diametric Capital, LP 0.04% of their portfolio | 33.3k $336.7k | Unchanged |
| HRT FINANCIAL LP 0.00% of their portfolio | 25.3k $255.0k | Added +300 |
| Quarry LP 0.03% of their portfolio | 16.7k $168.3k | Reduced -50.0k |
| Clear Street Group Inc. 0.00% of their portfolio | 12.7k $128.7k | Added +10.1k |