Ken Griffin’s BlackLine BL Stock Holding History
Bought
Maintained
Sold
Other funds holding BL
CCG
VPM
FP
VCM
IC
Ken Griffin's BL Position: Q1 2026 in Review
Ken Griffin increased its BlackLine (BL) stake by 122% in Q1 2026, buying an estimated $3.77M and bringing the position to 159,199 shares worth $5.89M. The position accounts for ﹤0.01% of the portfolio, ranked #4076.
Ken Griffin first reported a position in BL in Q1 2017 and has held it in 36 quarters since. The position peaked at $23.7M in Q2 2025. 279 funds tracked by Wall St. Rank hold BL as of Q1 2026.
- Ken Griffin held 159,199 shares of BlackLine worth $5.89M as of Q1 2026.
- Ken Griffin bought 87,588 BlackLine shares in Q1 2026, an estimated $3.77M.
- BlackLine made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4076 holding.
- Ken Griffin first reported a position in BlackLine in Q1 2017 and has held it in 36 quarters since.
- Ken Griffin's BlackLine position peaked at $23.7M in Q2 2025.
- 279 funds tracked by Wall St. Rank held BlackLine as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.