BL
Blackline Inc
2 of the 83 super-investors we track hold BL, worth a combined $37M per their latest 13F filings. The largest position: Glenn Welling at 7.1% of their portfolio. This quarter the cohort logged 0 buys and 1 sell on the name. Conviction score: 24 of 100 (how strongly the cohort backs it) — ranked #576 of 742 stocks.
Why super-investors own BL
BL is held by 2 super-investors in our cohort, with a combined position value of $37M. The highest-conviction owner is Glenn Welling at 7.1% of their portfolio. This quarter the cohort registered 1 trimmed.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2017Q1 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (2) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Glenn Welling | 7.1% | 5q | $23M | 827,619 |
| 2 | Joel Greenblatt | <0.1% | 37q | $14M | 502,789 |
Owners of BL also hold
Congress is trading BL
Congress tracker →- Lisa McClainsold$1,001 - $15,000 · 2025-10-31
- Lisa McClainsold$1,001 - $15,000 · 2025-10-30
- Lisa McClainbought$1,001 - $15,000 · 2025-10-30
- Lisa McClainbought$1,001 - $15,000 · 2025-08-13
- Tom Malinowskibought$15,001 - $50,000 · 2021-02-17
- Tom Malinowskisold$15,001 - $50,000 · 2021-02-12 · late
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Glenn Welling | TRIM | 7.1% | -39% | $23M | Aug 14, 2026 |
Long US equity 13F-HR filings only. CUSIP 09239B109. Not investment advice.