PROEM ACQUISITION CORP I PAACU
UNIT 01/29/2031 · Unit · CUSIP G7341A129
- SectorBlank check (SPAC)
- IndustryBlank Checks
- HeadquartersDallas, TX
- 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 ($2.4m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $10.08.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2026 | 43 |
| Q2 2026 | 14 |
Biggest buyers
| Tuttle Capital Management, LLC | Added | +1.2k |
Biggest sellers
| Polar Asset Management Partners Inc. | Sold out | -1.2m |
| ARISTEIA CAPITAL, L.L.C. | Sold out | -1.0m |
| Magnetar Financial LLC | Sold out | -1.0m |
| Linden Advisors LP | Sold out | -1.0m |
| MILLENNIUM MANAGEMENT LLC | Sold out | -843.5k |
| GLAZER CAPITAL, LLC | Sold out | -649.9k |
| AQR Arbitrage LLC | Sold out | -440.1k |
| BERKLEY W R CORP | Sold out | -397.7k |
| Periscope Capital Inc. | Sold out | -350.0k |
| WHITEBOX ADVISORS LLC | Sold out | -300.0k |
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 |
|---|---|
| Linden Capital L.P. 13G · passive investor new · filed 2026-02-18 | 7.5% |
| Polar Asset Management Partners Inc. 13G · institution new · filed 2026-05-15 | 6.5% |
| ARISTEIA CAPITAL, L.L.C. 13G · institution new · filed 2026-05-14 | 5.7% |
| Magnetar Financial LLC 13G · institution new · filed 2026-05-13 | 5.4% |
Fell to 5% or below in the last year: MILLENNIUM MANAGEMENT LLC (4.1%, 2026-02-20)
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 | — | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| LMR Partners LLP 0.05% of their portfolio | 650.0k $6.6m | Unchanged |
| Tekne Capital Management, LLC 1.65% of their portfolio | 500.0k $5.0m | Unchanged |
| Khan Imran 100.00% of their portfolio | 292.5k $2.9m | Unchanged |
| OMERS ADMINISTRATION Corp 0.02% of their portfolio | 260.0k $2.6m | Unchanged |
| Proem Advisors LLC 0.50% of their portfolio | 242.9k $2.4m | Unchanged |
| Lineage Point Capital LP 0.41% of their portfolio | 200.0k $2.0m | Unchanged |
| Calamos Advisors LLC 0.01% of their portfolio | 148.0k $1.5m | Unchanged |
| Westchester Capital Management, LLC 0.06% of their portfolio | 117.2k $1.2m | Reduced -5.0k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio | 100.0k $1.0m | Unchanged |
| Bulldog Investors, LLP 0.11% of their portfolio | 50.0k $504.0k | Unchanged |
| Quarry LP 0.06% of their portfolio | 37.5k $378.0k | Unchanged |
| Warberg Asset Management LLC 0.07% of their portfolio | 24.6k $247.6k | Reduced -26.9k |
| Clear Street Group Inc. 0.00% of their portfolio | 20.6k $207.8k | Reduced -161.3k |
| Tuttle Capital Management, LLC 0.11% of their portfolio | 16.2k $162.8k | Added +1.2k |