SUMA Acquisition Corp
SUMAU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002105838
No open-market purchases or sales by SUMA Acquisition Corp insiders were filed in the last 90 days; 8 institutions reported holding it in 13F filings for Q2 2026, worth $8.95M in total; no superinvestor holds it.
Holders of 5% or more of SUMAU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of SUMA Acquisition Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Magnetar Financial LLC | 13G | 8.39%1.49M shares | New | May 13, 20261 filing | May 13, 2026 | SEC |
| Polar Asset Management Partners Inc. | 13G | 7.40%1.30M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| Glazer Capital, LLC | 13G/A | 6.24%1.10M shares | +1.23 ppfrom 5.01% | May 14, 20262 filings | Aug 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
7 Schedule 13D and 13G filings on SUMA Acquisition Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20265:27 PM ET | Glazer Capital, LLCand 1 other | 13G/A | 6.24%1.10M shares | +1.23 ppfrom 5.01% | Jun 30, 2026 | SEC |
| Aug 13, 202611:06 AM ET | Centiva Capital, LPand 1 other | 13G/A | 0.00%0 shares | −5.65 ppfrom 5.65%Below 5% | Jun 30, 2026 | SEC |
| May 15, 20261:12 PM ET | Polar Asset Management Partners Inc. | 13G | 7.40%1.30M shares | New | Mar 31, 2026 | SEC |
| May 14, 20264:54 PM ET | Centiva Capital, LPand 1 other | 13G | 5.65%1.00M shares | New | Mar 31, 2026 | SEC |
| May 14, 20263:02 PM ET | Glazer Capital, LLCand 1 other | 13G | 5.01%863.4K shares | New | Mar 31, 2026 | SEC |
| May 13, 202610:00 AM ET | Magnetar Financial LLCand 3 others | 13G | 8.39%1.49M shares | New | Mar 31, 2026 | SEC |
| Mar 18, 20265:13 PM ET | Millennium Management LLCand 2 others | 13G | 3.70%650.0K shares | NewBelow 5% | Mar 11, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell SUMA Acquisition Corp shares.
No Form 144 notices for SUMA Acquisition Corp are on file.