Kilroy Realty Corporation
Kilroy Realty Corporation (KRC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · KRC · as of Sep 30, 2025
Ownership Breakdown
373
Institutional Holders
▲ 35 vs Q2
$5.94B
Total Inst. Value
▲ $1.13B vs Q2
116.28M
Shares Outstanding
freeFloat 98.84%
140.38M
13F Shares Held
▲ 488,380 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
KRC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC real estate investment trusts | 15.96M | 13.50% | 13.50% | $674.29B | Nov 7, 2025 | ▼ 37.0K |
COHEN & STEERS, INC. real estate investment trusts | 15.14M | 12.81% | 12.81% | $639.90B | Nov 14, 2025 | ▼ 1.56M |
BLACKROCK, INC. real estate investment trusts | 14.69M | 12.42% | 12.42% | $620.61B | Nov 12, 2025 | ▼ 1.22M |
D1 CAPITAL PARTNERS L.P. real estate investment trusts | 8.48M | 7.17% | 7.17% | $358.39B | Nov 14, 2025 | ▲ 6.60M |
FMR LLC real estate investment trusts | 7.05M | 5.96% | 5.96% | $297.66B | Nov 13, 2025 | ▲ 2.67M |
STATE STREET CORP real estate investment trusts | 5.76M | 4.87% | 4.87% | $246.22B | Nov 14, 2025 | ▼ 86.3K |
APG ASSET MANAGEMENT US INC. real estate investment trusts | 4.29M | 3.63% | 3.63% | $180.72B | Nov 12, 2025 | — held |
PRINCIPAL FINANCIAL GROUP INC real estate investment trusts | 4.23M | 3.58% | 3.58% | $178.90B | Nov 4, 2025 | ▼ 137.9K |
DAIWA SECURITIES GROUP INC. real estate investment trusts | 3.58M | 3.03% | 3.03% | $151.18B | Nov 14, 2025 | ▲ 15.2K |
NORTHERN TRUST CORP real estate investment trusts | 3.15M | 2.66% | 2.66% | $133.08B | Nov 14, 2025 | ▲ 115.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+17.81M shares4
New Positions
first time holders17
Decreased
−5.71M shares0
Sold Out
fully exitedNet shares change (top 50)
+12.10M
+17.81M / −5.71M
Net new holders
+13
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
KRC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
36
Buy transactions
3
Sell transactions
12.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Hunt Jolie A. director | May 19, 2026 | Award | 4,339 | — | — | 29.7K | Form 4 ↗ |
KIESKE DAVID ANDREW director | May 19, 2026 | Award | 4,339 | — | — | 7.6K | Form 4 ↗ |
Ritter Louisa director | May 19, 2026 | Award | 4,339 | — | — | 28.0K | Form 4 ↗ |
CARTER DARYL J director | May 19, 2026 | Award | 4,339 | — | — | 17.3K | Form 4 ↗ |
BRENNAN EDWARD F director | May 19, 2026 | Award | 4,339 | — | — | 43.7K | Form 4 ↗ |
Stevenson Gary R. director | May 19, 2026 | Award | 4,339 | — | — | 42.7K | Form 4 ↗ |
Marakovits Cia Buckley director | May 19, 2026 | Award | 4,339 | — | — | 7.6K | Form 4 ↗ |
Roth Heidi Rena See Remarks | May 7, 2026 | Sale | 19,541 | $35.22 | $688.2K | 83.2K | Form 4 ↗ |
Stadler Lauren N See Remarks | May 6, 2026 | Sale | 3,000 | $34.65 | $103.9K | 15.5K | Form 4 ↗ |
Paratte A. Robert See Remarks | Apr 30, 2026 | Sale | 10,000 | $33.11 | $331.1K | 125.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Kilroy Realty Corporation (KRC) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.16%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Kilroy Realty Corporation is VANGUARD GROUP INC, holding approximately 15.96 million shares — equal to 13.50% of outstanding shares — as of September 30, 2025.
A total of 373 institutional investors currently hold KRC stock, with a combined institutional value of approximately $5.94 billion as of the most recent 13F filing period.
Frequently asked questions
KRC ownershipKilroy Realty Corporation (KRC) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 13.50% stake. Company insiders hold 1.16%. Data sourced from SEC Form 13F as of September 30, 2025.