Corporate Office Properties Tru

Historical 13F Holders

Symbol
CDP
CUSIP
22002T108
All holders as of
Q2 2026
Type
Equity
Class
SH BEN INT
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 22002T108 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 14.7% 7/18/2025
Event 6/30/2025
Vanguard Portfolio Management LLC 13G 10.2% 2/5/2026
Event 1/30/2026
AllianceBernstein L.P. 13G/A 7.5% 11/14/2025
Event 9/30/2025
JPMorgan Chase & Co 13G 5.3% 7/16/2026
Event 6/30/2026
Vanguard Capital Management LLC 13G 5.3% 4/29/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 8 15.1 k $503 k
2026 Q2 333 133 M $4.74 B
2026 Q1 325 127 M $3.88 B
2025 Q4 312 123 M $3.43 B
2025 Q3 314 125 M $3.64 B
2025 Q2 312 121 M $3.34 B
2025 Q1 309 121 M $3.30 B
2024 Q4 309 120 M $3.72 B
2024 Q3 296 120 M $3.65 B
2024 Q2 271 119 M $2.98 B
2024 Q1 274 118 M $2.86 B
2023 Q4 254 120 M $3.08 B
2023 Q3 249 118 M $2.81 B
2023 Q2 244 115 M $2.74 B
2023 Q1 254 118 M $2.80 B
2022 Q4 253 125 M $3.26 B
2022 Q3 238 121 M $2.85 B
2022 Q2 262 119 M $3.17 B
2022 Q1 246 116 M $3.32 B
2021 Q4 265 117 M $3.27 B
2021 Q3 249 115 M $3.11 B
2021 Q2 257 114 M $3.20 B
2021 Q1 282 112 M $2.95 B
2020 Q4 261 113 M $2.96 B
2020 Q3 264 112 M $2.67 B
2020 Q2 270 112 M $2.84 B
2020 Q1 234 112 M $2.47 B
2019 Q4 263 109 M $3.21 B
2019 Q3 249 107 M $3.18 B
2019 Q2 267 110 M $2.92 B
2019 Q1 246 109 M $2.98 B
2018 Q4 263 107 M $2.26 B
2018 Q3 272 108 M $3.22 B
2018 Q2 254 106 M $3.09 B
2018 Q1 269 106 M $2.75 B
2017 Q4 278 106 M $3.10 B
2017 Q3 245 103 M $3.37 B
2017 Q2 247 101 M $3.55 B
2017 Q1 252 104 M $3.44 B
2016 Q4 266 102 M $3.19 B
2016 Q3 257 94.0 M $2.66 B
2016 Q2 259 94.2 M $2.79 B
2016 Q1 245 94.5 M $2.48 B
2015 Q4 231 93.9 M $2.05 B
2015 Q3 227 95.7 M $2.01 B
2015 Q2 232 95.8 M $2.26 B
2015 Q1 232 97.9 M $2.88 B
2014 Q4 241 100 M $2.84 B
2014 Q3 234 91.3 M $2.35 B
2014 Q2 218 98.0 M $2.73 B
2014 Q1 210 93.6 M $2.49 B