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GROUP ONE TRADING LLC

Position in FLS — Flowserve Corp

CIK 932540 CHICAGO, IL

Position in FLS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$155,068
-$116,257 QoQ
Shares Held
2,091
-43.3% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#445
of 583 holders
Holding Since
Mar 2020
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in FLS Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $12,117,630 across 20 Specialty Industrial Machinery names. FLS ranks #10 (1.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in FLS

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $155,068 2,091
2026-03-31 $271,325 3,691
2025-09-30 $15,888 299
2025-03-31 $307,692 6,300
2024-12-31 $83,979 1,460
2023-03-31 $8,908 262
2022-12-31 $18,898 616
2022-09-30 $51,151 2,105
2022-06-30 $106,074 3,705
2022-03-31 $97,109 2,705
2021-12-31 $145,380 4,751
2021-09-30 $168,184 4,851
2021-06-30 $110,920 2,751
2021-03-31 $37,723 972
2020-03-31 $4,778 200