1stdibs.com, Inc.
DIBS- Exchange
- Nasdaq
- Industry
- Retail-Catalog & Mail-Order Houses
- SEC CIK
- 0001600641
No open-market purchases or sales by 1stdibs.com, Inc. insiders were filed in the last 90 days; 86 institutions reported holding it in 13F filings for Q2 2026, worth $64.4M in total; no superinvestor holds it.
Holders of 5% or more of DIBS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of 1stdibs.com, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Benchmark Capital Partners V L P | 13G/A | 20.00%7.31M shares | – | Feb 14, 20224 filings | Feb 14, 2025 | SEC |
| Rosenblatt David S | 13G/A | 10.50%3.70M shares | +0.70 ppfrom 9.80% | Feb 14, 20229 filings | Aug 14, 2026 | SEC |
| Beck Mack & Oliver LLC | 13G | 8.30%3.30M shares | New | Nov 7, 20241 filing | Nov 7, 2024 | SEC |
| Philotimo Fund, LP | 13G | 5.30%1.94M shares | New | Feb 6, 20261 filing | Feb 6, 2026 | SEC |
| Catsimatidis John A. Jr | 13D | 5.10%1.87M shares | New | Nov 21, 20251 filing | Nov 21, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
23 Schedule 13D and 13G filings on 1stdibs.com, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20269:35 AM ET | Rosenblatt David Sand 2 others | 13G/A | 10.50%3.70M shares | +0.70 ppfrom 9.80% | Jun 30, 2026 | SEC |
| May 15, 202611:42 AM ET | Rosenblatt David Sand 2 others | 13G/A | 9.80%3.62M shares | +0.50 ppfrom 9.30% | Mar 31, 2026 | SEC |
| Feb 13, 20262:09 PM ET | Rosenblatt David Sand 2 others | 13G/A | 9.30%3.54M shares | −1.10 ppfrom 10.40% | Dec 31, 2025 | SEC |
| Feb 6, 20263:48 PM ET | Philotimo Fund, LPand 3 others | 13G | 5.30%1.94M shares | New | Feb 2, 2026 | SEC |
| Jan 15, 20261:11 PM ET | Sofina Capital S.A.and 1 other | 13G | 0.00%0 shares | NewBelow 5% | Nov 14, 2025 | SEC |
| Nov 21, 20259:50 PM ET | Catsimatidis John A. Jrand 4 others | 13D | 5.10%1.87M shares | New | Nov 14, 2025 | SEC |
| Nov 14, 20255:54 PM ET | Rosenblatt David Sand 2 others | 13G/A | 10.40%4.02M shares | +0.20 ppfrom 10.20% | Sep 30, 2025 | SEC |
| Aug 14, 20255:21 PM ET | Rosenblatt David Sand 2 others | 13G/A | 10.20%3.90M shares | +1.10 ppfrom 9.10% | Jun 30, 2025 | SEC |
| Feb 14, 20254:15 PM ET | Benchmark Capital Partners V L Pand 16 others | 13G/A | 20.00%7.31M shares | – | Dec 31, 2024 | SEC |
| Nov 14, 20248:19 PM ET | Rosenblatt David Sand 2 others | 13G/A | 9.10%3.52M shares | – | Sep 30, 2024 | SEC |
| Nov 7, 202412:43 PM ET | Beck Mack & Oliver LLC | 13G | 8.30%3.30M shares | New | Nov 1, 2024 | SEC |
| Jun 6, 2024 | Insight Holdings Group, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Rosenblatt David S | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Foxhaven Asset Management, LP | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Benchmark Capital Partners V L P | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | Insight Holdings Group, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Foxhaven Asset Management, LP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Benchmark Capital Partners V L P | 13G/AOld format | – | – | – | SEC |
| Feb 10, 20234:51 PM ET | Rosenblatt David S | 13GOld format | – | – | – | SEC |
| Apr 18, 2022 | Foxhaven Asset Management, LP | 13GOld format | – | New | – | SEC |
| Feb 14, 20225:08 PM ET | Rosenblatt David S | 13GOld format | – | New | – | SEC |
| Feb 14, 2022 | Benchmark Capital Partners V L P | 13GOld format | – | New | – | SEC |
| Feb 10, 2022 | Insight Venture Partners IX, L.P. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
15 notices from officers, directors and other affiliates planning to sell 1stdibs.com, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Sep 14, 20236:20 PM ET | Rubinger MatthewOfficer | 9.98K | $40.4K | Sep 14, 2023 | Fidelity Brokerage Services LLC | SEC |
| Sep 11, 202312:06 PM ET | Goins Melanie FOfficer | 5.97K | $25.5K | Sep 11, 2023 | Fidelity Brokerage Services LLC | SEC |
| Sep 8, 20233:07 PM ET | Rubinger MatthewOfficer | 5.34K | $23.1K | Sep 8, 2023 | Fidelity Brokerage Services LLC | SEC |
| Sep 8, 20232:56 PM ET | Etergino Thomas JOfficer | 13.5K | $58.3K | Sep 8, 2023 | Fidelity Brokerage Services LLC | SEC |
| Sep 8, 20232:52 PM ET | Rosenblatt David SOfficer · Director | 18.4K | $79.3K | Sep 8, 2023 | Fidelity Brokerage Services LLC | SEC |
| Sep 8, 20232:40 PM ET | Lipman Alison K.Officer | 6.48K | $28.0K | Sep 8, 2023 | Fidelity Brokerage Services LLC | SEC |
| Sep 8, 20232:40 PM ET | Hood NancyOfficer | 6.93K | $29.9K | Sep 8, 2023 | Fidelity Brokerage Services LLC | SEC |
| Jun 6, 20235:28 PM ET | Thomas EterginoChief Financial Officer | 30.9K | $110.4K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20235:25 PM ET | Ross PaulOfficer - Chief Technology Officer | 14.3K | $51.0K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20235:21 PM ET | Nancy HoodChief Marketing Officer | 7.61K | $27.2K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20235:18 PM ET | Melanie GoinsOffice - General Counsel | 6.93K | $24.7K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20235:13 PM ET | Matthew RubingerChief Commercial Officer | 6.42K | $22.9K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20235:09 PM ET | David RosenblattChief Executive Officer | 15.5K | $55.3K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20235:03 PM ET | Carol LattoufOfficer - SVP, Operations | 5.42K | $19.4K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |
| Jun 6, 20234:32 PM ET | Alison LipmanChief People Officer | 7.22K | $25.8K | Jun 8, 2023 | CARTA SECURITIES LLC | SEC |