City Office REIT
CIO
CIO was delisted on the 8th of January, 2026.
126 hedge funds and large institutions have $301M invested in City Office REIT in 2017 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 45 increasing their positions, 30 reducing their positions, and 9 closing their positions.
211% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 9
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
50% more repeat investments, than reductions
Existing positions increased: 45 | Existing positions reduced: 30
25% more capital invested
Capital invested by funds: $240M → $301M (+$60.5M)
18% more funds holding
Funds holding: 107 → 126 (+19)
6.28% more ownership
Funds ownership: 57.67% → 63.95% (+6.3%)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $151K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Principal Financial Group
Des Moines,
Iowa
|
+$16M |
| 2 |
REMS
Real Estate Management Services
|
+$13.6M |
| 3 |
Renaissance Technologies
New York
|
+$7.2M |
| 4 |
Nuveen
Charlotte,
North Carolina
|
+$7.09M |
| 5 |
Millennium Management
New York
|
+$6.44M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AAP
Ardsley Advisory Partners
Stamford,
Connecticut
|
-$10.1M |
| 2 |
Two Sigma Investments
New York
|
-$1.02M |
| 3 |
LSV Asset Management
Chicago,
Illinois
|
-$662K |
| 4 |
Lido Advisors
Los Angeles,
California
|
-$593K |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$460K |
CIO Hedge Fund Activity: Q4 2017 in Review
126 of the 4,419 institutional investors tracked by Wall St. Rank reported a position in City Office REIT (CIO) for Q4 2017, worth a combined $301M — up 25% from $240M a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new CIO positions and 9 closed out — a net gain of 19 holders — while 45 added to existing stakes and 30 trimmed.
The largest buyer was Principal Financial Group, adding an estimated $16M. The largest seller was Ardsley Advisory Partners, exiting entirely with an estimated $10.1M sold.
- 126 institutional investors held City Office REIT (CIO) as of Q4 2017, up from 107 in Q3 2017.
- Funds reported $301M of City Office REIT stock for Q4 2017, up 25% quarter-over-quarter.
- 28 funds opened new City Office REIT positions in Q4 2017 and 9 closed out, a net change of +19 holders.
- The largest City Office REIT buyer in Q4 2017 was Principal Financial Group, an estimated $16M added.
- The largest City Office REIT seller in Q4 2017 was Ardsley Advisory Partners, an estimated $10.1M sold.
Based on aggregated 13F filings for Q4 2017.