BL BLACKLINE, INC.: institutional ownership and insider trading
272 funds reported holding $2.16B of BLACKLINE, INC. in their latest 13F filings; in Q2 2026 funds net sold $108M, with 37 new positions and 69 funds selling out; over the last 12 months insiders bought $0 and sold $2.49M on the open market.
Famous investors holding BL
- Ken Griffin (Citadel Advisors): $17.1M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $1.65M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $859K, 0.0% of the portfolio
Largest institutional holders of BL
- VANGUARD GROUP INC — $376M
- BlackRock, Inc. (BLK) — $231M
- CLEARLAKE CAPITAL GROUP, L.P. — $160M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $107M
- Fivespan Partners, LP — $94.4M
- FIRST MANHATTAN CO. LLC. — $67.5M
- VANGUARD CAPITAL MANAGEMENT LLC — $65.7M
- STATE STREET CORP (STT, STT-PG) — $60.6M
- ICONIQ Capital, LLC — $58.6M
- Neuberger Berman Group LLC — $50.7M
Recent BL insider trades
- Aug 27, 2026: Stalick Michelle D sold 780 shares ($26.2K)
- Aug 24, 2026: Tucker Therese sold 70,000 shares ($2.24M)
- Jun 5, 2026: Yamamoto Mika sold 3,000 shares ($85.4K)
- Jun 1, 2026: Stalick Michelle D sold 780 shares ($24.1K)
Members of Congress trading BL
- Oct 31, 2025: Lisa C. McClain sold $1.00K–$15.0K
- Oct 30, 2025: Lisa C. McClain bought $1.00K–$15.0K
- Oct 30, 2025: Lisa C. McClain sold $1.00K–$15.0K
- Aug 13, 2025: Lisa C. McClain bought $1.00K–$15.0K
5%+ owners
- Vanguard Portfolio Management: 6.9% (Schedule 13G, filed Apr 29, 2026)