City Office REIT
CIO
CIO was delisted on the 8th of January, 2026.
147 hedge funds and large institutions have $208M invested in City Office REIT in 2025 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 45 increasing their positions, 37 reducing their positions, and 18 closing their positions.
111% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 18
57% more capital invested
Capital invested by funds: $133M → $208M (+$75.2M)
22% more repeat investments, than reductions
Existing positions increased: 45 | Existing positions reduced: 37
16% more funds holding
Funds holding: 127 → 147 (+20)
12.43% more ownership
Funds ownership: 61.6% → 74.03% (+12%)
61% less call options, than puts
Call options by funds: $189K | Put options by funds: $482K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCL
Glazer Capital LLC
New York
|
+$15M |
| 2 |
Fidelity International
Hamilton,
Bermuda
|
+$10.7M |
| 3 |
CM
Capula Management
Grand Cayman,
Cayman Islands
|
+$6.68M |
| 4 |
MF
Magnetar Financial
Evanston,
Illinois
|
+$6.53M |
| 5 |
NAM
Nexpoint Asset Management
Dallas,
Texas
|
+$5.04M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LSV Asset Management
Chicago,
Illinois
|
-$9.44M |
| 2 |
Renaissance Technologies
New York
|
-$4.63M |
| 3 |
Acadian Asset Management
Boston,
Massachusetts
|
-$4.15M |
| 4 |
BlackRock
New York
|
-$3.99M |
| 5 |
MAM
Martingale Asset Management
Boston,
Massachusetts
|
-$1.16M |
CIO Hedge Fund Activity: Q3 2025 in Review
147 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in City Office REIT (CIO) for Q3 2025, worth a combined $208M — up 57% from $133M a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new CIO positions and 18 closed out — a net gain of 20 holders — while 45 added to existing stakes and 37 trimmed.
The largest buyer was Glazer Capital LLC, opening a new position worth an estimated $15M. The largest seller was LSV Asset Management, cutting an estimated $9.44M.
- 147 institutional investors held City Office REIT (CIO) as of Q3 2025, up from 127 in Q2 2025.
- Funds reported $208M of City Office REIT stock for Q3 2025, up 57% quarter-over-quarter.
- 38 funds opened new City Office REIT positions in Q3 2025 and 18 closed out, a net change of +20 holders.
- The largest City Office REIT buyer in Q3 2025 was Glazer Capital LLC, an estimated $15M added.
- The largest City Office REIT seller in Q3 2025 was LSV Asset Management, an estimated $9.44M sold.
Based on aggregated 13F filings for Q3 2025.