Block, Inc.
US ˙ NYSE ˙ US8522341036

SecurityXYZ / Block, Inc.
InstitutionSigma Planning Corp
Latest Disclosed Ownership5,967 shares
Latest Disclosed Value $ 359,087
Sigma Planning Corp reports 24.79% decrease in ownership of XYZ / Block, Inc.

On May 4, 2026 - Sigma Planning Corp filed a 13F-HR form disclosing ownership of 5,967 shares of Block, Inc. (US:XYZ) valued at $359,094 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 7,934 shares of Block, Inc.. This represents a change in shares of -24.79% during the quarter. The current value of the position is $416,497 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)
2026-05-04 2026-03-31 13F BLOCK CL A 852234103 5,967 -1,967 -24.79 359 -30.43 0.0100
2026-01-30 2025-12-31 13F BLOCK CL A 852234103 7,934 -9,656 -54.89 516 -59.40 0.0143
2025-11-10 2025-09-30 13F BLOCK CL A 852234103 17,590 978 5.89 1,271 12.68 0.0361
2025-08-05 2025-06-30 13F BLOCK CL A 852234103 16,612 -2,196 -11.68 1,128 10.48 0.0339
2025-05-02 2025-03-31 13F BLOCK CL A 852234103 18,808 3,242 20.83 1,022 -22.77 0.0326
2025-02-03 2024-12-31 13F BLOCK CL A 852234103 15,566 3,107 24.94 1,323 58.13 0.0415
2024-11-04 2024-09-30 13F BLOCK CL A 852234103 12,459 -1,219 -8.91 836 -5.22 0.0256
2024-08-06 2024-06-30 13F BLOCK CL A 852234103 13,678 -591 -4.14 882 -26.87 0.0280
2024-05-02 2024-03-31 13F BLOCK CL A 852234103 14,269 7,658 115.84 1,207 136.01 0.0379
2024-02-01 2023-12-31 13F BLOCK CL A 852234103 6,611 -8,552 -56.40 511 -23.85 0.0400
2023-11-06 2023-09-30 13F BLOCK CL A 852234103 15,163 -733 -4.61 671 -36.58 0.0252
2023-08-02 2023-06-30 13F BLOCK CL A 852234103 15,896 -3,485 -17.98 1,058 -20.45 0.0380
2023-05-08 2023-03-31 13F BLOCK CL A 852234103 19,381 -1,219 -5.92 1,331 2.78 0.0442
2023-01-24 2022-12-31 13F BLOCK CL A 852234103 20,600 -2,969 -12.60 1,295 -0.15 0.0463
2022-11-10 2022-09-30 13F BLOCK CL A 852234103 23,569 -1,783 -7.03 1,296 -16.82 0.0494
2022-08-11 2022-06-30 13F BLOCK CL A 852234103 25,352 -7,867 -23.68 1,558 -65.42 0.0541
2022-04-20 2022-03-31 13F BLOCK CL A 852234103 33,219 -824 -2.42 4,505 -18.06 0.1350
2022-02-02 2021-12-31 13F BLOCK INC CL A Stock 852234103 34,043 -1,142 -3.25 5,498 -34.85 0.1532
2021-10-28 2021-09-30 13F SQUARE CL A 852234103 35,185 -609 -1.70 8,439 -3.30 0.2538
2021-08-13 2021-06-30 13F SQUARE INC CL A Stock 852234103 35,794 5,372 17.66 8,727 26.35 0.2601
2021-05-06 2021-03-31 13F SQUARE INC CL A Stock 852234103 30,422 -16,798 -35.57 6,907 -32.79 0.2207
2021-02-09 2020-12-31 13F SQUARE CL A 852234103 47,220 21,076 80.62 10,277 141.81 0.3495
2020-11-03 2020-09-30 13F SQUARE CL A 852234103 26,144 2,696 11.50 4,250 72.69 0.1682
2020-07-31 2020-06-30 13F SQUARE CL A 852234103 23,448 -3,391 -12.63 2,461 75.04 0.1080
2020-05-01 2020-03-31 13F SQUARE CL A 852234103 26,839 -13,915 -34.14 1,406 -44.86 0.0835
2020-02-03 2019-12-31 13F SQUARE CL A 852234103 40,754 2,682 7.04 2,550 8.10 0.1076
2019-11-01 2019-09-30 13F SQUARE CL A 852234103 38,072 441 1.17 2,359 -13.56 0.1132
2019-08-01 2019-06-30 13F SQUARE CL A 852234103 37,631 15,986 73.86 2,729 68.25 0.1406
2019-05-01 2019-03-31 13F SQUARE CL A 852234103 21,645 10,742 98.52 1,622 165.03 0.0921
2019-01-31 2018-12-31 13F SQUARE CL A 852234103 10,903 -58,549 -84.30 612 -91.10 0.0445
2018-11-07 2018-09-30 13F SQUARE CL A 852234103 69,452 -3,313 -4.55 6,876 53.31 0.4042
2018-08-02 2018-06-30 13F SQUARE CL A 852234103 72,765 10,132 16.18 4,485 45.52 0.3003
2018-05-11 2018-03-31 13F SQUARE CL A 852234103 62,633 49,949 393.80 3,082 600.45 0.2253
2018-02-07 2017-12-31 13F SQUARE CL A 852234103 12,684 2,741 27.57 440 53.85 0.0339
2017-11-06 2017-09-30 13F SQUARE CL A 852234103 9,943 950 10.56 286 35.55 0.0236
2017-08-02 2017-06-30 13F SQUARE CL A 852234103 8,993 8,993 211 0.0198
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.