Curbline Properties Corp.
Ownership
Ownership Structure
Who owns Curbline Properties Corp. (CURB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.0% of the shares are freely tradable; institutional investors hold 119.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.62 | 16,821,395 | +0.8 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 11.36 | 13,070,983 | -18.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.06 | 9,273,439 | +0.0 | 03/31/2026 |
| State Street Corp | 4.72 | 5,433,754 | -0.4 | 03/31/2026 |
| Principal Financial Group Inc | 4.47 | 5,144,690 | -0.6 | 06/30/2026 |
| FMR Inc | 3.71 | 4,273,516 | -22.7 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.71 | 4,262,364 | +0.0 | 03/31/2026 |
| Prudential Financial Inc | 3.57 | 4,111,760 | -0.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.15 | 5,918,727 | +0.0 | 08/31/2026 |
| T. Rowe Price Small-Cap Value | 3.06 | 3,518,359 | -2.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Otto Alexander | Director | 6,550,075 | 187,987,153 $ | Sep 14, 2026 | direct |
| Cattonar John M | EVP & Chief Investment Officer | 180,717 | 5,186,578 $ | Sep 15, 2026 | direct |
| Fennerty Conor | EVP, CFO & Treasurer | 151,437 | 4,346,242 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Fennerty Conor | EVP, CFO & Treasurer | Other | 2,472 | 29.08 | 71,886 |
| Sep 15, 2026 | Cattonar John M | EVP & Chief Investment Officer | Other | 2,472 | 29.08 | 71,886 |
| Sep 14, 2026 | Otto Alexander | Director | Sell | 839 | 29.52 | 24,767 |
| Sep 10, 2026 | Otto Alexander | Director | Sell | 2,344 | 29.51 | 69,171 |
| Sep 9, 2026 | Otto Alexander | Director | Sell | 33,112 | 29.59 | 979,784 |
| Sep 8, 2026 | Otto Alexander | Director | Sell | 221,812 | 29.68 | 6,583,380 |
| Sep 1, 2026 | Otto Alexander | Director | Sell | 100 | 30.02 | 3,002 |
| Aug 31, 2026 | Otto Alexander | Director | Sell | 3,600 | 30.05 | 108,180 |
| Aug 28, 2026 | Otto Alexander | Director | Sell | 110,144 | 30.11 | 3,316,436 |
| Aug 27, 2026 | Otto Alexander | Director | Sell | 500 | 30.00 | 15,000 |
| Aug 26, 2026 | Otto Alexander | Director | Sell | 134,868 | 30.17 | 4,068,968 |
| Aug 25, 2026 | Otto Alexander | Director | Sell | 174,293 | 30.12 | 5,249,705 |
| Aug 19, 2026 | Otto Alexander | Director | Sell | 1,206 | 30.10 | 36,301 |
| Aug 18, 2026 | Otto Alexander | Director | Sell | 32,927 | 30.02 | 988,469 |
| Aug 17, 2026 | Otto Alexander | Director | Sell | 9,173 | 30.04 | 275,557 |
| Aug 14, 2026 | Otto Alexander | Director | Sell | 136,226 | 30.25 | 4,120,837 |
| Aug 13, 2026 | Otto Alexander | Director | Sell | 135,612 | 30.15 | 4,088,702 |
| Aug 12, 2026 | Otto Alexander | Director | Sell | 96,331 | 30.06 | 2,895,710 |
| Aug 7, 2026 | Otto Alexander | Director | Sell | 20,475 | 29.76 | 609,336 |
| Aug 6, 2026 | Otto Alexander | Director | Sell | 109,366 | 29.79 | 3,258,013 |
| Aug 5, 2026 | Otto Alexander | Director | Sell | 134,269 | 30.11 | 4,042,840 |
| Aug 4, 2026 | Otto Alexander | Director | Sell | 38,788 | 30.17 | 1,170,234 |
| Jul 30, 2026 | Fennerty Conor | EVP, CFO & Treasurer | Sell | 55,105 | 30.38 | 1,674,200 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.