Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in LPAA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Vivaldi Asset Management, LLC | 2.1M | $22.2M | 0.0% | 9.000% | 1.16% |
| 2 | LMR Partners LLP | 2.0M | $21.2M | 0.0% | 8.609% | 0.16% |
| 3 | Magnetar Financial LLC | 1.9M | $20.9M | 0.0% | 8.457% | 0.21% |
| 4 | PICTON MAHONEY ASSET MANAGEMENT | 1.7M | $17.9M | 0.0% | 7.260% | 0.18% |
| 5 | CNH PARTNERS LLC | 1.6M | $16.6M | -1.1% | 6.767% | 0.27% |
| 6 | BERKLEY W R CORP | 1.5M | $15.9M | +4.5% | 6.466% | 0.86% |
| 7 | MMCAP International Inc. SPC | 1.5M | $15.9M | 0.0% | 6.435% | 1.37% |
| 8 | MIZUHO SECURITIES USA LLC | 1.5M | $15.8M | +3.8% | 6.448% | 0.37% |
| 9 | Karpus Management, Inc. | 1.1M | $11.6M | — | 4.718% | 0.36% |
| 10 | WOLVERINE ASSET MANAGEMENT LLC | 1.0M | $10.9M | -0.2% | 4.409% | 0.18% |
| 11 | D. E. Shaw & Co., Inc. | 990K | $10.6M | 0.0% | 4.304% | 0.01% |
| 12 | Alberta Investment Management Corp | 750K | $8.0M | 0.0% | 3.261% | 0.05% |
| 13 | TENOR CAPITAL MANAGEMENT Co., L.P. | 750K | $8.0M | 0.0% | 3.261% | 0.12% |
| 14 | Wealthspring Capital LLC | 696K | $7.4M | -1.1% | 3.027% | 1.76% |
| 15 | GOLDMAN SACHS GROUP INC | 627K | $6.7M | +0.1% | 2.726% | 0.00% |
| 16 | Crossingbridge Advisors, LLC | 472K | $5.1M | +468.6% | 2.050% | 0.91% |
| 17 | RiverPark Advisors, LLC | 409K | $4.4M | +392.6% | 1.776% | 1.59% |
| 18 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 367K | $3.9M | 0.0% | 1.594% | 0.20% |
| 19 | TORONTO DOMINION BANK | 314K | $3.4M | +28.3% | 1.367% | 0.00% |
| 20 | Shaolin Capital Management LLC | 300K | $3.2M | 0.0% | 1.304% | 0.13% |
| 21 | WHITEBOX ADVISORS LLC | 250K | $2.7M | 0.0% | 1.087% | 0.04% |
| 22 | ARISTEIA CAPITAL LLC | 196K | $2.1M | 0.0% | 0.854% | 0.05% |
| 23 | PERISCOPE CAPITAL INC. | 161K | $1.7M | 0.0% | 0.698% | 0.30% |
| 24 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 150K | $1.6M | -62.5% | 0.653% | 0.00% |
| 25 | Quarry LP | 150K | $1.6M | 0.0% | 0.652% | 0.31% |
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 LPAA — a direct measure of their conviction.
Filings activity in LPAA during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new LPAA position in Q1 2026
Institutions that fully closed their LPAA position in Q1 2026
7 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 | 43 | +0.0% | 98.68% | +7.46 pp | $246M | +8.2% |
| Q4 2025 | 43 | +0.0% | 91.22% | +3.36 pp | $227M | +3.8% |
| Q3 2025 | 43 | 4.4% | 87.86% | +0.87 pp | $219M | +1.0% |
| Q2 2025 | 45 | +9.8% | 86.99% | +13.75 pp | $217M | +19% |
| Q1 2025 | 41 | 4.7% | 73.24% | +1.75 pp | $182M | +2.4% |
| Q4 2024 | 43 | +43% | 71.49% | +22.16 pp | $178M | +45% |
| Q3 2024 | 30 | — | 49.33% | — | $123M | — |
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 LPAA stock.
Based on Q1 2026 13F filings, institutional ownership of Launch One Acquisition Corp. stands at 98.7%, held across 43 reporting institutions.
Vivaldi Asset Management, LLC is the largest reported institutional holder of LPAA, with approximately 2,070,000 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 LPAA.
Our composite Smart Money Score for LPAA is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
5 institutions opened new positions in LPAA during Q1 2026, while 5 fully exited. 32 added to existing positions and 6 trimmed.
LPAA institutional ownership rose by 7.46 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 68.7% of all reported 13F value in LPAA, and the top 25 account for 97.3%.
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.
Launch One Acquisition Corp. (LPAA) Institutional Ownership