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Walleye Trading LLC

Position in BL — Blackline, Inc.

CIK 1388391 NEW YORK, NY

Position in BL

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$6,165,014
+$6,165,014 QoQ
Shares Held
219,630
Ownership
0.378%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#47
of 244 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BL Over Time

Shares Held

Position Value (USD)

Derivatives in BL

reported options exposure · as of Jun 30, 2026
CallValue
$1,122,800
CallShares
40,000
PutValue
$426,664
PutShares
15,200

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 Software - Application

Technology · as of Jun 30, 2026

Walleye Trading LLC holds $326,207,153 across 48 Software - Application names. BL ranks #11 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BL

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,165,014 219,630
2026-06-30 $1,122,800 40,000
2026-06-30 $426,664 15,200
2026-03-31 $370,000 10,000
2026-03-31 $1,113,700 30,100
2025-12-31 $138,225 2,500
2025-12-31 $4,290,504 77,600
2025-09-30 $329,220 6,200
2025-09-30 $177,991 3,352
2025-09-30 $1,014,210 19,100
2025-06-30 $429,745 7,590
2025-06-30 $877,610 15,500
2025-06-30 $84,930 1,500
2024-09-30 $3,335,970 60,500
2024-09-30 $479,497 8,696
2024-09-30 $3,142,980 57,000
2024-06-30 $2,650,215 54,700
2024-06-30 $2,058,640 42,490
2024-06-30 $1,051,365 21,700
2024-03-31 $1,084,944 16,800
2024-03-31 $917,036 14,200
2023-12-31 $349,664 5,600
2023-12-31 $786,744 12,600
2023-12-31 $5,154,047 82,544
2023-09-30 $1,042,836 18,800
2023-09-30 $127,581 2,300
2023-09-30 $10,526,541 189,770
2023-06-30 $2,458,659 45,683
2023-06-30 $32,292 600
2023-06-30 $188,370 3,500
2023-03-31 $399,408 5,948
2023-03-31 $671,500 10,000
2023-03-31 $6,715 100
2022-12-31 $121,086 1,800
2022-12-31 $280,784 4,174
2022-12-31 $417,074 6,200
2022-09-30 $323,460 5,400
2022-09-30 $437,270 7,300
2022-09-30 $37,856 632
2022-06-30 $426,240 6,400
2022-06-30 $2,597,400 39,000
2022-03-31 $112,978 1,543
2022-03-31 $175,728 2,400
2021-12-31 $569,470 5,500
2021-12-31 $366,531 3,540
2021-09-30 $11,806 100
2021-09-30 $307,664 2,606
2021-09-30 $838,226 7,100
2021-06-30 $1,023,684 9,200
2021-06-30 $1,279,605 11,500