Launch One Acquisition Corp.
LPAA- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002015502
No open-market purchases or sales by Launch One Acquisition Corp. insiders were filed in the last 90 days; 38 institutions reported holding it in 13F filings for Q2 2026, worth $218.2M in total; no superinvestor holds it.
Holders of 5% or more of LPAA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Launch One Acquisition Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Launch One Sponsor LLC | 13G | 20.00%5.75M shares | New | Jan 10, 20251 filing | Jan 10, 2025 | SEC |
| MMCAP International Inc. SPC | 13G/A | 8.10%1.90M shares | – | Feb 13, 20261 filing | Feb 13, 2026 | SEC |
| Picton Mahoney Asset Management | 13G/A | 7.26%1.67M shares | – | Feb 11, 20251 filing | Feb 11, 2025 | SEC |
| AQR Capital Management LLC | 13G/A | 6.85%1.58M shares | – | Feb 14, 20251 filing | Feb 14, 2025 | SEC |
| MMCAP International Inc. SPC | 13G/A | 6.40%1.48M shares | −0.04 ppfrom 6.44% | Feb 10, 20254 filings | Feb 13, 2026 | SEC |
| Berkley W R Corp | 13G | 6.20%1.42M shares | New | Feb 10, 20261 filing | Feb 10, 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
13 Schedule 13D and 13G filings on Launch One Acquisition Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20266:27 AM ET | Mizuho Financial Group Inc | 13G/A | 0.10%20.0K shares | −6.10 ppfrom 6.20%Below 5% | Jun 30, 2026 | SEC |
| Feb 13, 20265:39 PM ET | Barclays PLC | 13G/A | 0.00%0 shares | −7.99 ppfrom 7.99%Below 5% | Dec 31, 2025 | SEC |
| Feb 13, 20269:58 AM ET | MMCAP International Inc. SPCand 1 other | 13G/A | 6.40%1.48M shares | −0.04 ppfrom 6.44% | Dec 31, 2025 | SEC |
| Feb 13, 20269:32 AM ET | MMCAP International Inc. SPCand 1 other | 13G/A | 8.10%1.90M shares | – | Dec 31, 2025 | SEC |
| Feb 12, 20266:57 AM ET | Mizuho Financial Group Inc | 13G | 6.20%1.43M shares | New | Dec 31, 2025 | SEC |
| Feb 10, 20269:15 PM ET | Berkley W R Corpand 1 other | 13G | 6.20%1.42M shares | New | Dec 31, 2025 | SEC |
| Aug 12, 20255:24 PM ET | MMCAP International Inc. SPCand 1 other | 13G/A | 6.44%1.48M shares | +0.01 ppfrom 6.43% | Jun 30, 2025 | SEC |
| Aug 12, 20254:24 PM ET | Barclays PLC | 13G | 7.99%1.84M shares | New | Jun 30, 2025 | SEC |
| May 13, 20255:00 PM ET | MMCAP International Inc. SPCand 1 other | 13G/A | 6.43%1.48M shares | −2.18 ppfrom 8.61% | Mar 31, 2025 | SEC |
| Feb 14, 20259:50 AM ET | AQR Capital Management LLCand 2 others | 13G/A | 6.85%1.58M shares | – | Dec 31, 2024 | SEC |
| Feb 11, 202512:55 PM ET | Picton Mahoney Asset Management | 13G/A | 7.26%1.67M shares | – | Dec 31, 2024 | SEC |
| Feb 10, 20257:02 PM ET | MMCAP International Inc. SPCand 1 other | 13G/A | 8.61%1.98M shares | – | Dec 31, 2024 | SEC |
| Jan 10, 20255:14 PM ET | Launch One Sponsor LLCand 1 other | 13G | 20.00%5.75M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Launch One Acquisition Corp. shares.
No Form 144 notices for Launch One Acquisition Corp. are on file.