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Walleye Trading LLC

Position in FLS — Flowserve Corp

CIK 1388391 NEW YORK, NY

Position in FLS

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$0
-$61,233 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
23 quarters on record

Common Shares in FLS Over Time

Shares Held

Position Value (USD)

Derivatives in FLS

reported options exposure · as of Jun 30, 2026
CallValue
$29,664
CallShares
400
PutValue
$207,648
PutShares
2,800

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

Walleye Trading LLC holds $31,441,785 across 13 Specialty Industrial Machinery names.

# Ticker Company Shares Value (USD) Open

All Filings in FLS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $29,664 400
2026-06-30 $207,648 2,800
2026-03-31 $499,868 6,800
2026-03-31 $61,233 833
2026-03-31 $867,418 11,800
2025-12-31 $860,312 12,400
2025-12-31 $596,668 8,600
2025-09-30 $504,830 9,500
2025-09-30 $1,121,254 21,100
2025-09-30 $621,578 11,697
2025-06-30 $621,970 11,881
2025-06-30 $350,745 6,700
2025-06-30 $1,617,615 30,900
2025-03-31 $986,568 20,200
2025-03-31 $1,880,340 38,500
2025-03-31 $1,076,824 22,048
2024-12-31 $3,894,104 67,700
2024-12-31 $2,553,888 44,400
2024-09-30 $1,695,432 32,800
2024-09-30 $1,550,700 30,000
2024-06-30 $336,700 7,000
2024-06-30 $663,780 13,800
2024-06-30 $139,297 2,896
2024-03-31 $36,544 800
2024-03-31 $14,434 316
2024-03-31 $685,200 15,000
2023-12-31 $436,932 10,600
2023-09-30 $1,216,962 30,600
2023-09-30 $729,699 18,348
2023-06-30 $627,835 16,900
2023-06-30 $564,680 15,200
2023-03-31 $860,200 25,300
2023-03-31 $676,600 19,900
2022-12-31 $33,748 1,100
2022-12-31 $650,416 21,200
2022-09-30 $2,430 100
2022-09-30 $906,390 37,300
2022-03-31 $251,694 7,011
2021-06-30 $185,472 4,600
2021-06-30 $439,488 10,900
2021-03-31 $7,762 200
2021-03-31 $884,868 22,800
2020-12-31 $1,053,910 28,600
2020-12-31 $748,055 20,300
2020-09-30 $1,691,980 62,000
2020-06-30 $110,743 3,883
2020-06-30 $102,672 3,600
2020-06-30 $148,304 5,200
2020-03-31 $129,006 5,400
2020-03-31 $131,395 5,500