Security key
49427F108
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 148,232,619
- Total 13F value
- $5,541,932,673
- Share change
- +6,296,061
- Put/Call ratio
- 79%
- SEC-reported price per share
- $37.37
- Number of holders
- 374
- Value change
- +$227,795,796
- Number of buys
- 186
- Number of sells
- 164
- Shares outstanding
- 116,329,032
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
374
Top holders
10
KRC full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
KILROY REALTY CORP SEC filings
KILROY REALTY CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 49427F108
Recent filing periods:
Ownership snapshot
Top reported holders of KRC - KILROY REALTY CORP - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
08 Oct 2025
13F
13D/G
3/4/5
Lead comparable stake: 12%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
12%
FMR LLC
4.2%
Merryl Elizabeth Werber
0.02%
VANGUARD GROUP INC
14%
COHEN & STEERS, INC.
13%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
12%
from 13D/G
|
$620,608,277
14,688,953 shares
|
— | 30 Sep 2025 |
| FMR LLC |
13F
13D/G
Company
|
4.2%
from 13D/G
|
$297,655,576
7,045,103 shares
|
— | 30 Sep 2025 |
| Merryl Elizabeth Werber |
3/4/5
SVP, CAO, Controller
|
0.02%
|
$1,127,967
26,697 shares
|
-$239,253 | 08 Oct 2025 |
| VANGUARD GROUP INC |
13F
Company
|
14%
|
$674,287,102
15,959,458 shares
|
— | 30 Sep 2025 |
| COHEN & STEERS, INC. |
13F
Company
|
13%
|
$639,897,000
15,144,915 shares
|
— | 30 Sep 2025 |
| D1 Capital Partners L.P. |
13F
Company
|
7.3%
|
$358,392,132
8,482,654 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
374
Shares
148,232,619
Rows available
374
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
354
Q4 2025 holders
374
Holder diff
20
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend