1Stdibs.Com Inc
Ownership
Ownership Structure
Who owns 1Stdibs.Com Inc (DIBS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 59.7% of the shares are freely tradable; institutional investors hold 67.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Beck, Mack & Oliver LLC | 3.86 | 1,298,261 | -33.4 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.62 | 1,215,462 | +0.0 | 03/31/2026 |
| Joel Isaacson & CO., LLC | 3.09 | 1,037,746 | +3.8 | 06/30/2026 |
| Fidelity International Ltd | 2.97 | 1,000,000 | +17.6 | 03/31/2026 |
| Acadian Asset Management LLC | 2.04 | 685,698 | +106,540.4 | 03/31/2026 |
| Harspring Capital Management LLC | 1.64 | 550,000 | -15.4 | 06/30/2026 |
| Arrowstreet Capital Limited Partnership | 1.55 | 522,695 | +3.8 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Climate Leadership F | 3.27 | 1,100,010 | +0.0 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.37 | 797,080 | +0.0 | 07/31/2026 |
| iShares Russell 2000 ETF | 1.48 | 495,990 | -0.6 | 08/31/2026 |
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 |
|---|---|---|---|---|---|
| Rosenblatt David S | Chief Executive Officer | 2,203,074 | 9,252,911 $ | Sep 8, 2026 | direct |
| Etergino Thomas J | Chief Financial Officer | 350,293 | 1,471,231 $ | Sep 8, 2026 | direct |
| Goins Melanie F | General Counsel and CPO | 264,692 | 1,111,706 $ | Sep 8, 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 8, 2026 | Goins Melanie F | General Counsel and CPO | Other | 8,970 | 4.73 | 42,428 |
| Sep 8, 2026 | Goins Melanie F | General Counsel and CPO | Other | 11,525 | – | – |
| Sep 8, 2026 | Goins Melanie F | General Counsel and CPO | Other | 10,042 | – | – |
| Sep 8, 2026 | Goins Melanie F | General Counsel and CPO | Other | 8,990 | – | – |
| Sep 8, 2026 | Etergino Thomas J | Chief Financial Officer | Other | 17,599 | 4.73 | 83,243 |
| Sep 8, 2026 | Etergino Thomas J | Chief Financial Officer | Other | 11,175 | – | – |
| Sep 8, 2026 | Etergino Thomas J | Chief Financial Officer | Other | 11,172 | – | – |
| Sep 8, 2026 | Etergino Thomas J | Chief Financial Officer | Other | 12,125 | – | – |
| Sep 8, 2026 | Rosenblatt David S | Chief Executive Officer | Other | 96,229 | 4.73 | 455,163 |
| Sep 8, 2026 | Rosenblatt David S | Chief Executive Officer | Other | 41,667 | – | – |
| Sep 8, 2026 | Rosenblatt David S | Chief Executive Officer | Other | 47,500 | – | – |
| Sep 8, 2026 | Rosenblatt David S | Chief Executive Officer | Other | 37,500 | – | – |
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.