Safeguard Acquisition Corp.
SAC- Exchange
- NYSE
- Industry
- Blank Checks
- SEC CIK
- 0002082844
No open-market purchases or sales by Safeguard Acquisition Corp. insiders were filed in the last 90 days; 56 institutions reported holding it in 13F filings for Q2 2026, worth $193.0M in total; no superinvestor holds it.
Holders of 5% or more of SAC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Safeguard Acquisition Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Safeguard Acquisition Management LLC | 13D | 18.92%7.98M shares | New | Jan 30, 20261 filing | Jan 30, 2026 | SEC |
| Adage Capital Management, L.P. | 13G | 7.59%1.80M shares | New | Feb 12, 20261 filing | Feb 12, 2026 | SEC |
| Harraden Circle Investments, LLC | 13G | 6.19%1.47M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Linden Capital L.P. | 13G | 5.30%1.25M shares | New | Apr 24, 20261 filing | Apr 24, 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
4 Schedule 13D and 13G filings on Safeguard Acquisition Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20266:30 PM ET | Harraden Circle Investments, LLCand 7 others | 13G | 6.19%1.47M shares | New | Apr 22, 2026 | SEC |
| Apr 24, 202612:46 PM ET | Linden Capital L.P.and 3 others | 13G | 5.30%1.25M shares | New | Apr 22, 2026 | SEC |
| Feb 12, 20269:12 AM ET | Adage Capital Management, L.P.and 2 others | 13G | 7.59%1.80M shares | New | Dec 31, 2025 | SEC |
| Jan 30, 20264:25 PM ET | Safeguard Acquisition Management LLCand 2 others | 13D | 18.92%7.98M shares | New | Dec 3, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Safeguard Acquisition Corp. shares.
No Form 144 notices for Safeguard Acquisition Corp. are on file.