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SIMPLEX TRADING, LLC

Position in BL — Blackline, Inc.

CIK 1488542 CHICAGO, IL

Position in BL

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$443,169
+$357,272 QoQ
Shares Held
15,788
+790.0% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#118
of 245 holders
Holding Since
Sep 2020
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BL Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $69,051,758 across 79 Software - Application names. BL ranks #27 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BL

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $443,169 15,788
2025-03-31 $85,897 1,774
2024-06-30 $3,524,059 72,736
2024-03-31 $1,190,144 18,429
2023-12-31 $2,775,582 44,452
2023-09-30 $1,928,802 34,772
2023-06-30 $499,557 9,282
2022-03-31 $135,823 1,855
2021-12-31 $120,417 1,163
2020-09-30 $170,745 1,905