MOUNTAIN LAKE ACQUISITION CO (MLAC)
Institutional ownership reported to the SEC as of Q2 2026, across 17 quarters.
2
Reporting holders
$18.2M
Reported value
0.0%
Held as options
-43
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | $18.0M | 1,710,141 | 0.17% | 5q | HELD |
| Crossingbridge Advisors, LLC | $265.6K | 24,961 | 0.05% | 2q | -94.4%-$4.4M |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-08-14 | 13G/A | Polar Asset Management Partners Inc. SPAC | 0.0% |
| 2026-08-14 | 13G/A | Tenor Capital Management Company, L.P. SPACwith 2 co-filers | 0.0% |
| 2026-08-13 | 13G/A | Mizuho Financial Group, Inc. SPAC | 0.0% |
| 2026-08-06 | 13G/A | W. R. Berkley Corporation SPACwith 1 co-filers | 0.0% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 2 | $18.2M | 1,735,102 | 0 | 0 | 1 | 0.0% |
| Q1 2026 | 45 | $233.0M | 22,135,229 | 3 | 6 | 7 | 0.0% |
| Q4 2025 | 46 | $228.4M | 21,976,092 | 8 | 8 | 17 | 0.0% |
| Q3 2025 | 43 | $221.2M | 21,468,800 | 4 | 3 | 8 | 0.0% |
| Q2 2025 | 39 | $213.8M | 20,832,523 | 12 | 7 | 7 | 0.0% |
| Q1 2025 | 32 | $155.4M | 15,459,505 | 32 | 0 | 0 | 0.0% |
| Q1 2023 | 9 | $6.2M | 424,303 | 1 | 0 | 2 | 0.0% |
| Q4 2022 | 8 | $2.9M | 284,133 | 2 | 1 | 4 | 0.0% |
| Q3 2022 | 23 | $44.2M | 4,310,778 | 2 | 4 | 3 | 0.0% |
| Q2 2022 | 23 | $46.0M | 4,520,271 | 0 | 6 | 2 | 0.0% |
| Q1 2022 | 26 | $44.8M | 4,416,835 | 5 | 1 | 10 | 0.3% |
| Q4 2021 | 48 | $121.8M | 11,999,328 | 8 | 6 | 9 | 0.1% |
| Q3 2021 | 51 | $128.1M | 12,883,619 | 7 | 19 | 6 | 0.0% |
| Q2 2021 | 55 | $123.4M | 12,468,061 | 6 | 12 | 10 | 0.0% |
| Q1 2021 | 53 | $106.4M | 10,778,997 | 25 | 11 | 13 | 0.0% |
| Q4 2020 | 34 | $78.0M | 7,833,351 | 14 | 6 | 9 | 0.5% |
| Q3 2020 | 19 | $47.6M | 4,872,621 | 19 | 0 | 0 | 0.0% |