BLACKLINE INC: Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in BLACKLINE INC. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$193.1M
Across holders
Last Price
—
EOD close
Sector
—
GICS
Quarterly fund activity4 increased2 reduced1 exited
Full exits: CITADEL ADVISORS LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| SOROS FUND MANAGEMENT LLC CIK 0001029160 | Family Office | 101.00M | $93.3M | 48.3% | 1.1% | Unchanged | +$0 | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 53.46M | $49.3M | 25.6% | 0.0% | Added | — | Q2 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 21.83M | $20.1M | 10.4% | 0.1% | Added | +$15.8M | Q2 2026 |
| Davidson Kempner Capital Management LP CIK 0001595082 | Hedge Fund | 21.50M | $19.8M | 10.2% | 0.2% | Added | — | Q2 2026 |
| HBK INVESTMENTS L P CIK 0001011443 | Hedge Fund | 7.00M | $6.5M | 3.4% | 0.1% | Reduced | $-5.5M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 3.50M | $3.2M | 1.7% | 0.0% | Added | +$462K | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 950K | $870K | 0.5% | 0.0% | Reduced | $-641K | Q2 2026 |
Unchanged
Family Office
$93.3M· 48.3% of total· 1.1% port· 101.00M sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$49.3M· 25.6% of total· 0.0% port· 53.46M sh· — QoQ· Q2 2026
Added
Hedge Fund
$20.1M· 10.4% of total· 0.1% port· 21.83M sh· +$15.8M QoQ· Q2 2026
Added
Hedge Fund
$19.8M· 10.2% of total· 0.2% port· 21.50M sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$6.5M· 3.4% of total· 0.1% port· 7.00M sh· $-5.5M QoQ· Q2 2026
Added
Hedge Fund
$3.2M· 1.7% of total· 0.0% port· 3.50M sh· +$462K QoQ· Q2 2026
Reduced
Hedge Fund
$870K· 0.5% of total· 0.0% port· 950K sh· $-641K QoQ· Q2 2026