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GROUP ONE TRADING LLC

Position in XYZ — Block, Inc.

CIK 932540 CHICAGO, IL

Position in XYZ

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$5,733,288
+$3,544,182 QoQ
Shares Held
95,269
+183.3% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in XYZ Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $111,498,788 across 75 Software - Infrastructure names. XYZ ranks #5 (5.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 XYZ
Block, Inc.
This page
95,269 $5,733,288

All Filings in XYZ

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15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,733,288 95,269
2025-12-31 $2,189,106 33,632
2025-09-30 $1,791,573 24,790
2025-06-30 $7,428,485 109,355
2025-03-31 $4,206,337 77,422
2024-09-30 $9,423,977 140,384
2024-06-30 $8,501,845 131,832
2024-03-31 $13,062,788 154,443
2023-12-31 $10,438,691 134,954
2023-09-30 $3,764,445 85,053
2023-06-30 $816,281 12,262
2022-03-31 $24,097,476 177,710
2021-09-30 $8,437,811 35,181
2021-06-30 $29,817,715 122,304
2020-03-31 $2,372,290 45,290