Curbline Properties Corp.
Curbline Properties Corp. (CURB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CURB · as of Sep 30, 2025
Ownership Breakdown
219
Institutional Holders
▼ 8 vs Q2
$2.42B
Total Inst. Value
▲ $22.16M vs Q2
105.54M
Shares Outstanding
freeFloat 91.25%
108.32M
13F Shares Held
▲ 3.47M 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
CURB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. real estate | 16.37M | 15.59% | 15.59% | $364.97B | Nov 12, 2025 | ▲ 74.4K |
VANGUARD GROUP INC real estate | 14.33M | 13.65% | 13.65% | $319.62B | Nov 7, 2025 | ▼ 186.5K |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. real estate | 10.98M | 10.45% | 10.45% | $244.79B | Nov 14, 2025 | ▲ 345.9K |
FMR LLC real estate | 8.09M | 7.71% | 7.71% | $180.43B | Nov 13, 2025 | ▲ 504.4K |
STATE STREET CORP real estate | 5.48M | 5.22% | 5.22% | $123.10B | Nov 14, 2025 | ▼ 33.9K |
PRUDENTIAL FINANCIAL INC real estate | 3.33M | 3.17% | 3.17% | $74.26B | Nov 13, 2025 | ▲ 1.04M |
DAIWA SECURITIES GROUP INC. real estate | 2.78M | 2.65% | 2.65% | $61.97B | Nov 14, 2025 | ▲ 562.6K |
NUVEEN, LLC real estate | 2.55M | 2.43% | 2.43% | $56.95B | Nov 12, 2025 | ▲ 141.9K |
GEODE CAPITAL MANAGEMENT, LLC real estate | 2.49M | 2.38% | 2.38% | $55.63B | Nov 12, 2025 | ▲ 33.7K |
COHEN & STEERS, INC. real estate | 2.45M | 2.34% | 2.34% | $54.69B | Nov 14, 2025 | ▲ 452.1K |
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
31
Increased
+7.09M shares1
New Positions
first time holders17
Decreased
−2.01M shares0
Sold Out
fully exitedNet shares change (top 50)
+5.08M
+7.09M / −2.01M
Net new holders
+15
1 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
CURB 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.
1
Buy transactions
2
Sell transactions
0.50
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 |
|---|---|---|---|---|---|---|---|
Lukes David R President & CEO | May 11, 2026 | Gift | 42,000 | — | — | 42.0K | Form 4 ↗ |
Lukes David R President & CEO | May 11, 2026 | Gift | 126,000 | — | — | 0 | Form 4 ↗ |
Solomon Lesley H EVP & General Counsel | Apr 8, 2026 | Tax Withhold | 408 | $26.79 | $10.9K | 24.4K | Form 4 ↗ |
Lukes David R President & CEO | Feb 2, 2026 | Gift | 126,000 | — | — | 630.0K | Form 4 ↗ |
Lukes David R President & CEO | Mar 13, 2026 | Sale | 39,749 | $26.80 | $1.07M | 590.3K | Form 4 ↗ |
Lukes David R President & CEO | Mar 16, 2026 | Sale | 83,663 | $26.83 | $2.24M | 506.6K | Form 4 ↗ |
Lukes David R President & CEO | Feb 2, 2026 | Gift | 126,000 | — | — | 126.0K | Form 4 ↗ |
Lukes David R President & CEO | Feb 28, 2026 | Tax Withhold | 77,816 | $27.81 | $2.16M | 756.0K | Form 4 ↗ |
Fennerty Conor EVP, CFO & Treasurer | Feb 28, 2026 | Tax Withhold | 19,562 | $27.81 | $544.0K | 159.7K | Form 4 ↗ |
Cattonar John M EVP & Chief Investment Officer | Feb 28, 2026 | Tax Withhold | 9,320 | $27.81 | $259.2K | 138.1K | 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
Curbline Properties Corp. (CURB) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 8.75%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Curbline Properties Corp. is BLACKROCK, INC., holding approximately 16.37 million shares — equal to 15.59% of outstanding shares — as of September 30, 2025.
A total of 219 institutional investors currently hold CURB stock, with a combined institutional value of approximately $2.42 billion as of the most recent 13F filing period.
Frequently asked questions
CURB ownershipCurbline Properties Corp. (CURB) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 15.59% stake. Company insiders hold 8.75%. Data sourced from SEC Form 13F as of September 30, 2025.