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BL · Blackline, Inc.

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$31.89 +0.46 (+1.46%)
Market Cap
$1.76B
Shares
58.13M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 246
Total Value: $1,760,527,348
Total Shares: 62,719,185

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 246 13F filers · Δ vs Mar 31, 2026
Top Holder
13.1%
Sep 2023 → Jun 2026 · range 11.2% – 13.9%
+1.6 pts
Top 5
37.5%
Sep 2023 → Jun 2026 · range 36.5% – 46.4%
+0.5 pts
Top 10
53.1%
Sep 2023 → Jun 2026 · range 50.9% – 61.1%
−0.7 pts
HHI
436
Sep 2023 → Jun 2026 · range 400 – 556
Broadly held+24

Quarterly Activity

vs Mar 31, 2026
New
42
Increased
76
Decreased
91
Sold Out
77
Unchanged
37
Holder count: -35
Institutional value: -28.6%
Shares held: -5.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 256
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1666134 CUSIP 09239B109 13F (30d) 251 filings 222 filers Visit website Investor relations