City Office REIT, Inc.
CIODelisted Jan 9, 2026- Industry
- Real Estate Investment Trusts
- SEC CIK
- 0001593222
City Office REIT, Inc. was delisted on Jan 9, 2026; its insiders filed their last Form 4 on Jan 9, 2026; 152 institutions reported holding it in 13F filings for Q4 2025, worth $217.5M in total; no superinvestor held it.
Holders of 5% or more of CIO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of City Office REIT, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 8.90%3.58M shares | – | Feb 5, 20251 filing | Feb 5, 2025 | SEC |
| Newtyn Management, LLC | 13G/A | 6.90%2.80M shares | – | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
| Glazer Capital, LLC | 13G | 5.98%2.41M shares | New | Oct 23, 20251 filing | Oct 23, 2025 | SEC |
| Vanguard Group Inc | 13G/A | 5.13%2.06M shares | – | Jan 31, 20251 filing | Jan 31, 2025 | 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 City Office REIT, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 17, 20264:15 PM ET | Newtyn Management, LLCand 1 other | 13G/A | 6.90%2.80M shares | – | Dec 31, 2025 | SEC |
| Oct 23, 20251:00 PM ET | Glazer Capital, LLCand 1 other | 13G | 5.98%2.41M shares | New | Sep 25, 2025 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 8.90%3.58M shares | – | Dec 31, 2024 | SEC |
| Jan 31, 202511:56 AM ET | Vanguard Group Inc | 13G/A | 5.13%2.06M shares | – | Dec 31, 2024 | SEC |
| Feb 11, 2021 | Fuller & Thaler Asset Management, Inc. | 13GOld format | – | New | – | SEC |
| Feb 11, 2021 | LSV Asset Management | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell City Office REIT, Inc. shares.
No Form 144 notices for City Office REIT, Inc. are on file.