Rainier Acquisition Corp
RNAQ- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002147219
In the last 90 days, Rainier Acquisition Corp insiders filed 2 open-market purchases and 0 sales; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Holders of 5% or more of RNAQ
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Rainier Acquisition Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| 683 Capital Management, LLC | 13G | 11.20%862.5K shares | 0.00 ppfrom 11.20% | Sep 3, 20262 filings | Sep 3, 2026 | SEC |
| MMCAP International Inc. SPC | 13G | 5.20%400.0K shares | New | Sep 1, 20261 filing | Sep 1, 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 Rainier Acquisition Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Sep 3, 20265:55 PM ET | 683 Capital Management, LLCand 2 others | 13G | 11.20%862.5K shares | 0.00 ppfrom 11.20% | Aug 27, 2026 | SEC |
| Sep 3, 20265:53 PM ET | 683 Capital Management, LLCand 2 others | 13G | 11.20%862.5K shares | New | Aug 27, 2026 | SEC |
| Sep 1, 20262:40 PM ET | MMCAP International Inc. SPCand 1 other | 13G | 5.20%400.0K shares | New | Aug 28, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Rainier Acquisition Corp shares.
No Form 144 notices for Rainier Acquisition Corp are on file.