Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MLAC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | TENOR CAPITAL MANAGEMENT Co., L.P. | 2.0M | $21.1M | 0.0% | 6.453% | 0.32% |
| 2 | Magnetar Financial LLC | 1.9M | $20.0M | 0.0% | 6.130% | 0.20% |
| 3 | BERKLEY W R CORP | 1.9M | $19.8M | +418.0% | 6.059% | 1.06% |
| 4 | MIZUHO SECURITIES USA LLC | 1.7M | $18.0M | +78.6% | 5.518% | 0.42% |
| 5 | Polar Asset Management Partners Inc. | 1.5M | $15.8M | +1.2% | 4.831% | 0.35% |
| 6 | CNH PARTNERS LLC | 1.4M | $14.8M | +0.0% | 4.537% | 0.24% |
| 7 | Vivaldi Asset Management, LLC | 980K | $10.3M | 0.0% | 3.163% | 0.54% |
| 8 | Alberta Investment Management Corp | 980K | $10.3M | 0.0% | 3.162% | 0.06% |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | 972K | $10.2M | +0.9% | 3.135% | 0.17% |
| 10 | Westchester Capital Management, LLC | 888K | $9.3M | 0.0% | 2.864% | 0.44% |
| 11 | LINDEN ADVISORS LP | 875K | $9.2M | 0.0% | 2.823% | 0.05% |
| 12 | Karpus Management, Inc. | 620K | $6.5M | — | 2.001% | 0.20% |
| 13 | CoinFund Management LLC | 566K | $6.0M | +22.8% | 1.826% | 16.85% |
| 14 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 500K | $5.3M | 0.0% | 1.613% | 0.26% |
| 15 | LMR Partners LLP | 497K | $5.2M | 0.0% | 1.604% | 0.04% |
| 16 | Crossingbridge Advisors, LLC | 442K | $4.7M | — | 1.428% | 0.84% |
| 17 | GOLDMAN SACHS GROUP INC | 424K | $4.5M | 0.0% | 1.370% | 0.00% |
| 18 | TORONTO DOMINION BANK | 350K | $3.7M | -8.8% | 1.129% | 0.01% |
| 19 | WHITEBOX ADVISORS LLC | 300K | $3.2M | 0.0% | 0.968% | 0.05% |
| 20 | Hudson Bay Capital Management LP | 260K | $2.7M | 0.0% | 0.840% | 0.03% |
| 21 | MOORE CAPITAL MANAGEMENT, LP | 200K | $2.1M | 0.0% | 0.645% | 0.05% |
| 22 | Shaolin Capital Management LLC | 200K | $2.1M | -50.0% | 0.645% | 0.09% |
| 23 | Jain Global LLC | 197K | $2.1M | -47.6% | 0.635% | 0.01% |
| 24 | D. E. Shaw & Co., Inc. | 194K | $2.0M | 0.0% | 0.625% | 0.00% |
| 25 | Radcliffe Capital Management, L.P. | 193K | $2.0M | 0.0% | 0.623% | 0.15% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MLAC — a direct measure of their conviction.
Filings activity in MLAC during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MLAC position in Q1 2026
Institutions that fully closed their MLAC position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 45 | 6.3% | 199.99% | +0.00 pp | $229M | 0.3% |
| Q4 2025 | 48 | +6.7% | 199.99% | +0.00 pp | $230M | +5.1% |
| Q3 2025 | 45 | +0.0% | 199.99% | +0.00 pp | $219M | +2.3% |
| Q2 2025 | 45 | +22% | 199.99% | +8.52 pp | $214M | +15% |
| Q1 2025 | 37 | 33% | 191.47% | +67.81 pp | $185M | +55% |
| Q2 2021 | 55 | +1.9% | 123.66% | +13.64 pp | $120M | +12% |
| Q1 2021 | 54 | +54% | 110.02% | +36.47 pp | $106M | +50% |
| Q4 2020 | 35 | — | 73.55% | — | $71M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MLAC stock.
Based on Q1 2026 13F filings, institutional ownership of Mountain Lake Acquisition Corp. stands at 200.0%, held across 45 reporting institutions.
TENOR CAPITAL MANAGEMENT Co., L.P. is the largest reported institutional holder of MLAC, with approximately 2,000,000 shares worth $0.02B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MLAC.
Our composite Smart Money Score for MLAC is 30 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
5 institutions opened new positions in MLAC during Q1 2026, while 8 fully exited. 33 added to existing positions and 7 trimmed.
MLAC institutional ownership rose by 0.00 percentage points quarter-over-quarter, with a net change of -3 holders.
The top 10 institutions account for 65.3% of all reported 13F value in MLAC, and the top 25 account for 92.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Mountain Lake Acquisition Corp. (MLAC) Institutional Ownership