1stdibs.Com, Inc.
1stdibs.Com, Inc. (DIBS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DIBS · as of Sep 30, 2025
Ownership Breakdown
68
Institutional Holders
▼ 7 vs Q2
$35.03M
Total Inst. Value
▼ $2.27M vs Q2
35.33M
Shares Outstanding
freeFloat 62.78%
13.52M
13F Shares Held
▼ 37,022 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
DIBS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BECK MACK & OLIVER LLC retail-catalog & mail-order houses | 3.29M | 9.18% | 9.18% | $8.52B | Nov 14, 2025 | ▲ 807 |
FIL LTD retail-catalog & mail-order houses | 1.45M | 4.03% | 4.03% | $3.74B | Nov 13, 2025 | ▲ 20.0K |
VANGUARD GROUP INC retail-catalog & mail-order houses | 1.39M | 3.89% | 3.89% | $3.61B | Nov 7, 2025 | ▼ 6.3K |
JOEL ISAACSON & CO., LLC retail-catalog & mail-order houses | 695.4K | 1.94% | 1.94% | $1.80B | Oct 30, 2025 | ▲ 158.2K |
J. GOLDMAN & CO LP retail-catalog & mail-order houses | 686.3K | 1.92% | 1.92% | $1.78B | Nov 14, 2025 | — held |
HARSPRING CAPITAL MANAGEMENT, LLC retail-catalog & mail-order houses | 610.0K | 1.70% | 1.70% | $1.58B | Nov 13, 2025 | ▲ 110.0K |
TRUFFLE HOUND CAPITAL, LLC retail-catalog & mail-order houses | 600.0K | 1.68% | 1.68% | $1.55B | Nov 6, 2025 | ▲ 200.0K |
RENAISSANCE TECHNOLOGIES LLC retail-catalog & mail-order houses | 419.8K | 1.17% | 1.17% | $1.09B | Nov 13, 2025 | ▲ 29.7K |
FIRST MANHATTAN CO. LLC. retail-catalog & mail-order houses | 337.8K | 94.30% | 94.30% | $874.83M | Nov 14, 2025 | — held |
BLACKROCK, INC. retail-catalog & mail-order houses | 325.0K | 90.73% | 90.73% | $841.73M | Nov 12, 2025 | ▼ 96.0K |
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
20
Increased
+919.9K shares4
New Positions
first time holders17
Decreased
−626.8K shares0
Sold Out
fully exitedNet shares change (top 50)
+293.1K
+919.9K / −626.8K
Net new holders
+7
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
DIBS insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
9
Buy transactions
0
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
ROSENBLATT DAVID S Chief Executive Officer | May 12, 2026 | Purchase | 320 | $4.35 | $1.4K | 712.8K | Form 4 ↗ |
ROSENBLATT DAVID S Chief Executive Officer | May 12, 2026 | Purchase | 3,425 | $4.49 | $15.4K | 712.5K | Form 4 ↗ |
ROSENBLATT DAVID S Chief Executive Officer | May 12, 2026 | Purchase | 43,755 | $4.51 | $197.4K | 709.1K | Form 4 ↗ |
Cohler Matt director | May 8, 2026 | Award | 26,798 | — | — | 26.8K | Form 4 ↗ |
Volent Paula director | May 8, 2026 | Award | 26,798 | — | — | 26.8K | Form 4 ↗ |
HICKOK LORI A director | May 8, 2026 | Award | 26,798 | — | — | 26.8K | Form 4 ↗ |
Taylor Everette director | May 8, 2026 | Award | 26,798 | — | — | 26.8K | Form 4 ↗ |
Schipper Brian director | May 8, 2026 | Award | 26,798 | — | — | 26.8K | Form 4 ↗ |
Robb Andrew George director | May 8, 2026 | Award | 26,798 | — | — | 26.8K | Form 4 ↗ |
Etergino Thomas J Chief Financial Officer | Mar 13, 2026 | Award | 145,500 | — | — | 145.5K | 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
1stdibs.Com, Inc. (DIBS) is primarily owned by institutional investors, who hold approximately 38.3% of total shares outstanding. Company insiders own approximately 37.22%, while retail and public investors account for the remaining 24.50%.
The largest institutional shareholder of 1stdibs.Com, Inc. is BECK MACK & OLIVER LLC, holding approximately 3.29 million shares — equal to 9.18% of outstanding shares — as of September 30, 2025.
A total of 68 institutional investors currently hold DIBS stock, with a combined institutional value of approximately $35,025,791 as of the most recent 13F filing period.
Frequently asked questions
DIBS ownership1stdibs.Com, Inc. (DIBS) is primarily owned by institutional investors, who hold approximately 38.3% of shares. The largest shareholder is BECK MACK & OLIVER LLC with a 9.18% stake. Company insiders hold 37.22%. Data sourced from SEC Form 13F as of September 30, 2025.