Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DIBS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Kanen Wealth Management LLC | 2.1M | $11.4M | +75.8% | 5.855% | 4.09% |
| 2 | BECK MACK & OLIVER LLC | 1.3M | $7.1M | -33.4% | 3.674% | 0.15% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $6.7M | — | 3.440% | 0.00% |
| 4 | FIL Ltd | 1.0M | $5.5M | +17.6% | 2.830% | 0.00% |
| 5 | Joel Isaacson & Co., LLC | 1000K | $5.5M | -6.4% | 2.829% | 0.18% |
| 6 | Harspring Capital Management, LLC | 650K | $3.6M | -1.5% | 1.840% | 1.88% |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 523K | $2.9M | +3.8% | 1.479% | 0.00% |
| 8 | TWO SIGMA INVESTMENTS, LP | 457K | $2.5M | +29.3% | 1.293% | 0.00% |
| 9 | G2 Investment Partners Management LLC | 450K | $2.5M | -33.5% | 1.274% | 0.61% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 435K | $2.4M | +8.8% | 1.230% | 0.00% |
| 11 | MILLENNIUM MANAGEMENT LLC | 417K | $2.3M | +33.9% | 1.179% | 0.00% |
| 12 | DIMENSIONAL FUND ADVISORS LP | 336K | $1.8M | +29.7% | 0.950% | 0.00% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 316K | $1.7M | -1.2% | 0.894% | 0.00% |
| 14 | BlackRock, Inc. | 291K | $1.6M | -11.3% | 0.823% | 0.00% |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 259K | $1.4M | -24.1% | 0.732% | 0.00% |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 217K | $1.2M | +29.9% | 0.615% | 0.02% |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | 180K | $992K | +80.9% | 0.511% | 0.00% |
| 18 | Truffle Hound Capital, LLC | 180K | $990K | -55.0% | 0.509% | 0.61% |
| 19 | ALLEN OPERATIONS LLC | 177K | $973K | 0.0% | 0.500% | 0.15% |
| 20 | 683 Capital Management, LLC | 176K | $967K | 0.0% | 0.498% | 0.07% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 155K | $854K | — | 0.439% | 0.00% |
| 22 | STATE STREET CORP | 141K | $775K | +9.1% | 0.399% | 0.00% |
| 23 | GOLDMAN SACHS GROUP INC | 138K | $761K | -44.6% | 0.391% | 0.00% |
| 24 | Qube Research & Technologies Ltd | 123K | $674K | +65.4% | 0.347% | 0.00% |
| 25 | BOOTHBAY FUND MANAGEMENT, LLC | 103K | $567K | -22.7% | 0.292% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in DIBS — a direct measure of their conviction.
Filings activity in DIBS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 83 | 4.6% | 52.00% | 3.88 pp | $75M | 6.9% |
| Q4 2025 | 87 | +30% | 55.88% | +32.33 pp | $81M | +137% |
| Q3 2025 | 67 | 8.2% | 23.55% | 1.64 pp | $34M | 6.5% |
| Q2 2025 | 73 | 5.2% | 25.19% | 4.44 pp | $36M | 15% |
| Q1 2025 | 77 | +4.1% | 29.63% | 4.89 pp | $43M | 14% |
| Q4 2024 | 74 | 3.9% | 34.52% | 12.71 pp | $50M | 27% |
| Q3 2024 | 77 | +1.3% | 47.23% | +1.30 pp | $68M | +2.8% |
| Q2 2024 | 76 | — | 45.93% | — | $66M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 12, 2026 | ROSENBLATT DAVID S | Buy | 44K | $4.51 | $197K |
Quick answers to the most common questions about buying DIBS stock.
Based on Q1 2026 13F filings, institutional ownership of 1stdibs.Com, Inc. stands at 52.0%, held across 83 reporting institutions.
Kanen Wealth Management LLC is the largest reported institutional holder of DIBS, with approximately 2,068,723 shares worth $0.01B as of Q1 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of DIBS, including TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP, MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for DIBS is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
15 institutions opened new positions in DIBS during Q1 2026, while 19 fully exited. 24 added to existing positions and 43 trimmed.
DIBS institutional ownership fell by 3.88 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 66.7% of all reported 13F value in DIBS, and the top 25 account for 90.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
1stdibs.Com, Inc. (DIBS) Institutional Ownership