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GROUP ONE TRADING LLC

Position in FIVN — Five9, Inc.

CIK 932540 CHICAGO, IL

Position in FIVN

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$3,349,748
+$1,134,123 QoQ
Shares Held
220,814
+99.8% QoQ
Ownership
0.288%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in FIVN 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. FIVN ranks #14 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in FIVN

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19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,349,748 220,814
2025-12-31 $2,215,625 110,505
2025-09-30 $1,129,341 46,667
2025-06-30 $996,998 37,651
2025-03-31 $69,748 2,569
2024-12-31 $90,139 2,218
2024-09-30 $288,765 10,051
2024-06-30 $967,333 21,935
2024-03-31 $1,752,682 28,219
2023-12-31 $5,513,414 70,065
2023-09-30 $461,674 7,180
2023-06-30 $1,767,892 21,442
2022-09-30 $420,412 5,607
2022-06-30 $3,198,467 35,094
2022-03-31 $8,620,584 78,085
2021-12-31 $9,847,217 71,710
2021-09-30 $6,882,238 43,084
2020-09-30 $1,031,085 7,951
2020-06-30 $463,264 4,186