1stdibs.Com, Inc.
US ˙ NasdaqGM ˙ US3205511047

SecurityDIBS / 1stdibs.Com, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership11,297 shares
Latest Disclosed Value $ 62,134
Citigroup Inc reports 75.20% increase in ownership of DIBS / 1stdibs.Com, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 11,297 shares of 1stdibs.Com, Inc. (US:DIBS) valued at $62,134 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 6,448 shares of 1stdibs.Com, Inc.. This represents a change in shares of 75.20% during the quarter. The current value of the position is $48,125 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F 1STDIBS COM COM 320551104 11,297 4,849 75.20 62 63.16 0.0000
2026-02-13 2025-12-31 13F 1STDIBS COM COM 320551104 6,448 6,448 39 0.0000
2025-08-11 2025-06-30 13F 1STDIBS COM COM 320551104 0 -16,281 -100.00 0 -100.00
2025-05-12 2025-03-31 13F 1STDIBS COM COM 320551104 16,281 -3,497 -17.68 49 -30.00 0.0000
2025-02-12 2024-12-31 13F 1STDIBS COM COM 320551104 19,778 1,293 6.99 70 -13.58 0.0000
2024-11-12 2024-09-30 13F 1STDIBS COM COM 320551104 18,485 12,812 225.84 82 224.00 0.0000
2024-08-12 2024-06-30 13F 1STDIBS COM COM 320551104 5,673 -104,922 -94.87 25 -96.21 0.0000
2024-05-10 2024-03-31 13F 1STDIBS COM COM 320551104 110,595 24,428 28.35 659 63.52 0.0004
2024-02-09 2023-12-31 13F 1STDIBS COM COM 320551104 86,167 8,968 11.62 403 43.42 0.0003
2023-12-06 2023-09-30 13F/A-1 1STDIBS COM COM 320551104 77,199 77,197 3,859,850.00 281 0.0002
2023-11-09 2023-09-30 13F 1STDIBS COM COM 320551104 77,199 77,197 281 0.0001
2023-08-10 2023-06-30 13F 1STDIBS COM COM 320551104 2 2 0 0.0000
2023-05-11 2023-03-31 13F 1STDIBS COM COM 320551104 0 -160 -100.00 0 0.0000
2023-02-09 2022-12-31 13F 1STDIBS COM COM 320551104 160 -252 -61.17 1 -100.00 0.0000
2022-11-10 2022-09-30 13F 1STDIBS COM COM 320551104 412 -1,259 -75.34 2 -80.00 0.0000
2022-08-10 2022-06-30 13F 1STDIBS COM COM 320551104 1,671 911 119.87 10 66.67 0.0000
2022-05-12 2022-03-31 13F 1STDIBS COM COM 320551104 760 -951 -55.58 6 -71.43 0.0000
2022-02-10 2021-12-31 13F 1STDIBS COM COM 320551104 1,711 928 118.52 21 110.00 0.0000
2021-11-10 2021-09-30 13F 1STDIBS COM COM 320551104 783 783 10 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.