Apogee Acquisition Corp
AACPU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002102123
No open-market purchases or sales by Apogee Acquisition Corp insiders were filed in the last 90 days; 17 institutions reported holding it in 13F filings for Q2 2026, worth $19.1M in total; no superinvestor holds it.
Holders of 5% or more of AACPU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Apogee Acquisition Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| K2 Principal Fund, L.P. | 13G | 5.33%800.0K shares | New | Apr 9, 20261 filing | Apr 9, 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
3 Schedule 13D and 13G filings on Apogee Acquisition Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 202611:00 AM ET | Harraden Circle Investments, LLCand 1 other | 13G/A | 0.00%0 shares | −7.05 ppfrom 7.05%Below 5% | Jun 30, 2026 | SEC |
| Apr 14, 20266:00 PM ET | Harraden Circle Investments, LLCand 7 others | 13G | 7.05%1.25M shares | New | Apr 7, 2026 | SEC |
| Apr 9, 20267:31 AM ET | K2 Principal Fund, L.P.and 3 others | 13G | 5.33%800.0K shares | New | Apr 7, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Apogee Acquisition Corp shares.
No Form 144 notices for Apogee Acquisition Corp are on file.