Lake Superior Acquisition Corp
LKSP- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002043508
No open-market purchases or sales by Lake Superior Acquisition Corp insiders were filed in the last 90 days; 36 institutions reported holding it in 13F filings for Q2 2026, worth $106.9M in total; no superinvestor holds it.
Holders of 5% or more of LKSP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Lake Superior Acquisition Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Karpus Management, Inc. | 13G/A | 6.40%1.25M shares | −2.73 ppfrom 9.13% | Feb 13, 20262 filings | Aug 14, 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 Lake Superior Acquisition Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20264:06 PM ET | Karpus Management, Inc. | 13G/A | 6.40%1.25M shares | −2.73 ppfrom 9.13% | Jun 30, 2026 | SEC |
| Aug 13, 20266:35 AM ET | Mizuho Financial Group Inc | 13G/A | 3.80%599.1K shares | −4.30 ppfrom 8.10%Below 5% | Jun 30, 2026 | SEC |
| Aug 11, 20267:58 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 2.80%443.9K shares | −2.50 ppfrom 5.30%Below 5% | Jun 30, 2026 | SEC |
| May 14, 20266:08 AM ET | Mizuho Financial Group Inc | 13G | 8.10%964.6K shares | New | Mar 31, 2026 | SEC |
| May 8, 20261:58 PM ET | Goldman Sachs Group Incand 1 other | 13G | 5.30%623.4K shares | New | Mar 31, 2026 | SEC |
| Feb 13, 20264:09 PM ET | Karpus Management, Inc. | 13G | 9.13%1.78M shares | New | Dec 31, 2025 | SEC |
| Nov 13, 202511:06 AM ET | Feis Equities LLCand 1 other | 13G/A | 0.10%11.1K shares | −5.61 ppfrom 5.71%Below 5% | Nov 6, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Lake Superior Acquisition Corp shares.
No Form 144 notices for Lake Superior Acquisition Corp are on file.