As of November 6, 2026, Kilroy Realty Corp. is a publicly traded company (NYSE: KRC); its largest reported holder is D1 Capital Partners L.P., with 9.5% on Schedule 13G/A of May 15, 2026, then Vanguard (8.34%). The largest insider holding is Smart Justin William, the president, with 531,640.908 shares (0.46% of shares outstanding), per Form 4 of October 16, 2026 (Schedule 13G/A, May 15, 2026).
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Is Kilroy Realty Corp. a real, registered company?
- Kilroy Realty Corp. files with the SEC under CIK 1025996 (its SEC filings).
- Its shares are listed under the ticker KRC on NYSE (SEC company record).
- Incorporated in Maryland; business address in Los Angeles, California, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Kilroy Realty Corp. in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Eliott Trencher, Chief Investment Officer (Form 8-K filed 2026-08-11). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names D1 Capital Partners L.P. (filed 2026-05-15).
Who are Kilroy Realty Corp.'s owners and officers?
Kilroy Realty Corp.: incorporated in Maryland; business address in Los Angeles, California; industry Real Estate Investment Trusts (Schedule 13G/A, 2026-08-14).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | Cohen & Steers, Inc. | 4.96% |
| Schedule 13G/A, 2026-08-12 | Norges Bank | 2.01% |
| Schedule 13G/A, 2026-07-08 | Cohen & Steers, Inc. | 4.96% |
| Schedule 13G/A, 2026-05-15 | D1 Capital Partners L.P. | 9.5% |
| Schedule 13G/A, 2026-05-15 | Cohen & Steers, Inc. | 6.71% |
| Schedule 13G, 2026-05-12 | State Street Corporation | 5.3% |
| Schedule 13G/A, 2026-05-11 | Norges Bank | 5.76% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.15% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 8.34% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | D1 Capital Partners L.P. | 8.8% |
| Schedule 13G/A, 2026-02-13 | Cohen & Steers, Inc. | 8.13% |
Questions about who owns Kilroy Realty Corp.
Who owns Kilroy Realty Corp.?
On this page, 4 holders' latest ownership filings report 5% or more of Kilroy Realty Corp.: D1 Capital Partners L.P. (9.5%, Schedule 13G/A, filed 2026-05-15), Vanguard Portfolio Management (8.34%, Schedule 13G, filed 2026-04-29), State Street Corporation (5.3%, Schedule 13G, filed 2026-05-12) and Vanguard Capital Management (5.15%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Kilroy Realty Corp.?
By the share each holder's latest filing reports, the largest holders of Kilroy Realty Corp. on this page are D1 Capital Partners L.P. (9.5%), Vanguard Portfolio Management (8.34%) and State Street Corporation (5.3%).
When did D1 Capital Partners L.P. buy into Kilroy Realty Corp.?
The filings give report dates, not purchase dates. The earliest filing from D1 Capital Partners L.P. on this page is the Schedule 13G/A, filed 2026-02-17, reporting 8.8%; its latest, Schedule 13G/A filed 2026-05-15, reports 9.5%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Who Pays Them, And Who They Are Up Against
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-11 | Eliott Trencher | Chief Investment Officer | appointed |
Which insiders own Kilroy Realty Corp. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the president: 531,640.908 shares (0.46% of shares outstanding) (Form 4, 2026-10-16).
- , the chief executive and a director: 157,021.127 shares (0.14% of shares outstanding), 154,224.127 held directly and 2,797 indirectly (Form 4, 2026-10-16).
- A. Robert Paratte: 101,530.71 shares (0.09% of shares outstanding) (Form 4, 2026-10-28).
- , the chief financial officer and executive vice president: 83,939.841 shares (0.07% of shares outstanding) (Form 4, 2026-10-16).
- Roth Heidi Rena: 83,172.68 shares (0.07% of shares outstanding) (Form 4, 2026-05-08).
Shares outstanding: 116,278,807 as of 2026-04-23, from the company's latest SEC cover page.
How much has Kilroy Realty Corp. raised?
No fundraising or offering filing from Kilroy Realty Corp. is on file with us.
Keep reading
More on Kilroy Realty Corp. and the records around it.
Kilroy Realty Corp. elsewhere on the record
- 5%+ stake filings Aug 2026
- Leadership changes Aug 2026
Companies that share a holder
- Norges Bank also filed stake reports on 36 other companies: Atour Lifestyle Holdings Ltd (Aug 2026), BXP, Inc. (Aug 2026), Cabaletta Bio, Inc. (Aug 2026)
- Cohen & Steers, Inc. also filed stake reports on 37 other companies: Omega Healthcare Investors Inc. (Nov 2026), RAYONIER INC. (Oct 2026), ARKO Petroleum Corp. (Aug 2026)
- STATE STREET CORPORATION also filed stake reports on 343 other companies: TRADE DESK INC/THE (Oct 2026), CENTRUS ENERGY CORP (Sep 2026), ACADIA PHARMACEUTICALS INC (Aug 2026)
Related pages
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