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Livermore
Livermore
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Copt Defense Properties

CDP
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0000860546

No open-market purchases or sales by Copt Defense Properties insiders were filed in the last 90 days; 327 institutions reported holding it in 13F filings for Q2 2026, worth $4.61B in total; no superinvestor holds it.

Holders of 5% or more of CDP

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Copt Defense Properties, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of CDP
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A14.70%16.6M shares–Jul 18, 20251 filingJul 18, 2025SEC
Vanguard Portfolio Management LLC13G10.18%11.5M sharesNewFeb 5, 20261 filingFeb 5, 2026SEC
Alliancebernstein L.P.13G/A7.50%8.46M shares+2.00 ppfrom 5.50%Feb 5, 20252 filingsNov 14, 2025SEC

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

5 Schedule 13D and 13G filings on Copt Defense Properties, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on CDP
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 26, 20262:15 PM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 5, 202612:52 PM ETVanguard Portfolio Management LLC13G10.18%11.5M sharesNewJan 30, 2026SEC
Nov 14, 202512:12 PM ETAlliancebernstein L.P.13G/A7.50%8.46M shares+2.00 ppfrom 5.50%Sep 30, 2025SEC
Jul 18, 20251:00 PM ETBlackRock, Inc.13G/A14.70%16.6M shares–Jun 30, 2025SEC
Feb 5, 20254:31 PM ETAlliancebernstein L.P.13G5.50%6.25M sharesNewDec 31, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Copt Defense Properties shares.

No Form 144 notices for Copt Defense Properties are on file.