DOSSIER · 13F Holders · Q4 2025
BL 0 03/15/26

BLACKLINE INC

4 institutions still hold BLACKLINE INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09239BAD1·4 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$35M
visible holders
Holders
4
filers reporting
Concentration
59.02%
D. E. Shaw & Co., Inc. #1
top holder share
AI Holders Summary · Q4 2025

4 institutions reported BL 0 03/15/26 in Q4 2025. D. E. Shaw & Co., Inc. leads at 59.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
D. E. Shaw & Co., Inc.
CIK 0001009207
$21M20.9M0.01%Q4 2025
02
READYSTATE ASSET MANAGEMENT LP
CIK 0001900923
$10M10.0M0.40%Q4 2025
03
AQR Arbitrage LLC
CIK 0001167456
$4M4.5M0.09%Q4 2025
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025