L3VLUP
ProSign in

CDP in the 13F filings

Corporate Office Properties Trust · CUSIP 22002T108

Sector · Real estateTheme · Real estate investment trusts
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
31 Dec 2025
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 10 Feb 2026
Managers listing it
21
at least, of 95 tracked, among listed positions
Comparable managers
92
filed both Q3 2025 and Q4 2025; 3 listed it in both
Shares listed
18,977,098
combined, among listed positions
Reported value
$528m
combined, at the quarter end

Among the 92 comparable managers: 12 buyers (opened or added shares) and 13 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +397,716.

Managers listing CDP in Q4 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q3 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

21 of 21 holders

ActionFiling
AllianceBernstein LP9,237,394$257m0.08%Added+780,02117 Feb 2026 (the filing on sec.gov)
Balyasny Asset Management LLC1,896,161$53m0.07%Added+647,44917 Feb 2026 (the filing on sec.gov)
AQR Capital Management LLC1,606,837$45munder 0.1%Trimmed-78,37617 Feb 2026 (the filing on sec.gov)
Fidelity (FMR LLC)1,456,250$40munder 0.1%Trimmed-1,145,42617 Feb 2026 (the filing on sec.gov)
Two Sigma Investments LP967,902$27munder 0.1%Added+67,85517 Feb 2026 (the filing on sec.gov)
Wellington Management Group LLP865,165$24munder 0.1%Added+498,17517 Feb 2026 (the filing on sec.gov)
Invesco Ltd768,242$21munder 0.1%Added+10,22119 Feb 2026 (the filing on sec.gov)
Two Sigma Advisers LP627,800$17munder 0.1%Added+40,80017 Feb 2026 (the filing on sec.gov)
Arrowstreet Capital LP297,407$8.3munder 0.1%Trimmed-165,26713 Feb 2026 (the filing on sec.gov)
Millennium Management LLC260,913$7.3munder 0.1%Added+208,08817 Feb 2026 (the filing on sec.gov)
Jane Street Group LLC249,239$6.9munder 0.1%Trimmed-96,01612 Feb 2026 (the filing on sec.gov)
Citadel Advisors LLC229,491$6.4munder 0.1%Trimmed-16,80717 Feb 2026 (the filing on sec.gov)
Renaissance Technologies LLC140,081$3.9munder 0.1%Added+121,88112 Feb 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc95,957$2.7munder 0.1%Added+4,36217 Feb 2026 (the filing on sec.gov)
Tudor Investment Corp79,466$2.2munder 0.1%Trimmed-111,53317 Feb 2026 (the filing on sec.gov)
Janus Henderson Group Ltd51,349$1.4munder 0.1%Held017 Feb 2026 (the filing on sec.gov)
D. E. Shaw & Co.49,479$1.4munder 0.1%Trimmed-19,25117 Feb 2026 (the filing on sec.gov)
Neuberger Berman Group LLC44,426$1.2munder 0.1%Added+13,94727 Oct 2026 (the filing on sec.gov)
Marshall Wace LLP33,050$919kunder 0.1%Newnew13 Feb 2026 (the filing on sec.gov)
Quantbot Technologies LP10,659$296kunder 0.1%Newnew10 Feb 2026 (the filing on sec.gov)
Squarepoint Ops LLC9,830$273kunder 0.1%Trimmed-35,24313 Feb 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q3 2025 to Q4 2025, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (2)

Exited (5)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
7 in Q3 2024 to 3 in Q2 2026

Tracked managers listing it, at least.

0358102014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
CDP by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20131$27mn.a.n.a.
Q4 20132$51mn.a.n.a.
Q1 20141$48mn.a.n.a.
Q2 20143$63mn.a.n.a.
Q3 20143$72mn.a.n.a.
Q4 20145$105mn.a.n.a.
Q1 20154$78mn.a.n.a.
Q2 20156$101mn.a.n.a.
Q3 20152$97mn.a.n.a.
Q4 20153$89mn.a.n.a.
Q1 20162$98mn.a.n.a.
Q2 20162$145mn.a.n.a.
Q3 20163$145mn.a.n.a.
Q4 20163$148mn.a.n.a.
Q1 20174$245mn.a.n.a.
Q2 20173$187mn.a.n.a.
Q3 20173$298mn.a.n.a.
Q4 20179$414mn.a.n.a.
Q1 20187$245mn.a.n.a.
Q2 20184$602mn.a.n.a.
Q3 20184$726mn.a.n.a.
Q4 20187$238mn.a.n.a.
Q1 20196$767mn.a.n.a.
Q2 20196$311mn.a.n.a.
Q3 20197$760mn.a.n.a.
Q4 20197$667mn.a.n.a.
Q1 20206$543mn.a.n.a.
Q2 20205$288mn.a.n.a.
Q3 20203$203mn.a.n.a.
Q4 20202$82mn.a.n.a.
Q1 20213$16mn.a.n.a.
Q4 20212$63mn.a.n.a.
Q1 20222$5.4mn.a.n.a.
Q2 20221$41mn.a.n.a.
Q3 20222$38mn.a.n.a.
Q4 20221$7.1mn.a.n.a.
Q1 20231$9.6mn.a.n.a.
Q2 20231$18mn.a.n.a.
Q3 20231$21mn.a.n.a.
Q4 20234$76m40
Q1 20243$59m12
Q2 20244$57m22
Q3 20247$107m61
Q4 20245$240m50
Q1 20255$270m50
Q2 20254$266m21
Q3 20255$307m23
Q4 20253$327m1213
Q1 20262$314m1411
Q2 20263$341m1412

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

CDP and WELL →CDP and EQIX →CDP and PLD →Choose a stock to compare with CDP →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own CDP, latest filings →Back to the 13F Explorer →