BL — BLACKLINE INC

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying BL?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
75
Institutional Conviction
Net accumulation · 3 buying vs 1 selling last quarter
60
Macro Tailwind
Macro conditions are mixed for this sector
52
Why? — Evidence & Confidence ▾

Of 4 tracked investors who changed their BL position last quarter, 3 bought and 1 sold (75% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).

Supporting evidence
  • +3 tracked investors added or increased positions last quarter (Izzy Englander, Ken Griffin, George Soros)
  • +5 tracked investors reported holding BL at their latest filing
Contradicting evidence — always shown
  • 1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
  • 13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About BLACKLINE INC (BL)

BLACKLINE INC (BL) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by George Soros (Soros Fund Management), valued at $95M. Across recent filings, tracked investors recorded 9 new positions, 0 increased, 1 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in BL

82
/100
Strong Institutional Accumulation
Added / Increased9
Reduced1
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track BL

33
/100
Emerging Interest
5investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

BL Ownership Composition

How BLACKLINE INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Hedge Funds
81% of tracked value
Institutions
5
tracked investors
Total Reported
$116.9M
combined 13F value
Sectors2
  • Hedge Funds81.1%
  • Other18.9%
Hedge Funds(1)
81.1%
Other(4)
18.9%

Tracked investors reporting BL

  • George SorosMar 31, 2026
    Soros Fund Management
    Shares
    101M
    Value
    $94.9M
    % Portfolio
    1.04%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    214.1K
    Value
    $7.9M
    % Portfolio
    0.00%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    223.5K
    Value
    $8.3M
    % Portfolio
    0.00%
  • Paul Tudor JonesDec 31, 2025
    Tudor Investment Corp
    Shares
    73.3K
    Value
    $4.1M
    % Portfolio
    0.01%
  • Ray DalioDec 31, 2025
    Bridgewater Associates
    Shares
    33.2K
    Value
    $1.8M
    % Portfolio
    0.02%

Recent activity

Frequently asked questions

How many institutional investors hold BL?
5 tracked institutional investors disclosed a position in BL (BLACKLINE INC) in their most recent 13F filing.
Who is the largest institutional holder of BL?
George Soros, Soros Fund Management, holds the largest disclosed position in BL, valued at $95M.
Did institutional ownership of BL increase or decrease?
Across recent 13F filings, tracked investors recorded 9 new positions, 0 increased, 1 reduced, and 1 fully exited BL.
Where does this BL ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
BL (BLACKLINE INC) — Institutional Holders & 13F History — InvestorLens