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SUMMIT SECURITIES GROUP LLC

Broker-Dealer

Position in BL — Blackline, Inc.

CIK 1531593 NEW YORK, NY

Position in BL

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$8,533
-$8,931 QoQ
Shares Held
304
-35.6% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#184
of 245 holders
Holding Since
Mar 2022
8 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 Mar 31, 2026
CallValue
$925,000
CallShares
25,000
PutValue
$0
PutShares
0

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

SUMMIT SECURITIES GROUP LLC holds $1,546,421 across 25 Software - Application names. BL ranks #18 (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 $8,533 304
2026-03-31 $925,000 25,000
2026-03-31 $17,464 472
2025-06-30 $89,742 1,585
2025-03-31 $6,149 127
2024-09-30 $55 1
2024-06-30 $96,900 2,000
2023-06-30 $53,820 1,000
2023-06-30 $53,820 1,000
2022-03-31 $292 4