BlackLine, Inc.
US ˙ NasdaqGS ˙ US09239B1098

SecurityBL / BlackLine, Inc.
InstitutionAmalgamated Bank
Latest Disclosed Ownership14,454 shares
Latest Disclosed Value $ 535
Amalgamated Bank reports 0.93% decrease in ownership of BL / BlackLine, Inc.

On May 8, 2026 - Amalgamated Bank filed a 13F-HR form disclosing ownership of 14,454 shares of BlackLine, Inc. (US:BL) valued at $534,798 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 14,590 shares of BlackLine, Inc.. The current value of the position is $414,974 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-08 2026-03-31 13F BLACKLINE COM 09239B109 14,454 -136 -0.93 1 0.0041
2026-02-05 2025-12-31 13F BLACKLINE COM 09239B109 14,590 -553 -3.65 1 0.0058
2025-10-29 2025-09-30 13F BLACKLINE COM 09239B109 15,143 191 1.28 1 0.0057
2025-08-04 2025-06-30 13F BLACKLINE COM 09239B109 14,952 -22 -0.15 1 0.0065
2025-04-25 2025-03-31 13F BLACKLINE COM 09239B109 14,974 -485 -3.14 1 0.0062
2025-02-04 2024-12-31 13F BLACKLINE COM 09239B109 15,459 48 0.31 1 0.0077
2024-10-30 2024-09-30 13F BLACKLINE COM 09239B109 15,411 -464 -2.92 1 0.0070
2024-08-12 2024-06-30 13F BLACKLINE COM 09239B109 15,875 -371 -2.28 1 -100.00 0.0065
2024-04-23 2024-03-31 13F BLACKLINE COM 09239B109 16,246 8,177 101.34 1 0.0090
2024-02-06 2023-12-31 13F BLACKLINE COM 09239B109 8,069 -563 -6.52 1 0.0040
2023-11-08 2023-09-30 13F BLACKLINE COM 09239B109 8,632 95 1.11 0 0.0041
2023-08-11 2023-06-30 13F BLACKLINE COM 09239B109 8,537 731 9.36 0 0.0037
2023-05-02 2023-03-31 13F BLACKLINE COM 09239B109 7,806 -1,311 -14.38 1 0.0045
2023-02-10 2022-12-31 13F BLACKLINE COM 09239B109 9,117 227 2.55 1 -100.00 0.0055
2022-11-09 2022-09-30 13F BLACKLINE COM 09239B109 8,890 140 1.60 533 -8.58 0.0051
2022-08-15 2022-06-30 13F BLACKLINE COM 09239B109 8,750 -125 -1.41 583 -10.31 0.0054
2022-08-25 2022-03-31 13F/A-1 BLACKLINE COM 09239B109 8,875 -636 -6.69 650 -34.01 0.0050
2022-06-30 2022-03-31 13F BLACKLINE COM 09239B109 8,875 -636 650 0.0052
2022-02-15 2021-12-31 13F/A-1 BLACKLINE COM 09239B109 9,511 -33 -0.35 985 -12.60 0.0073
2022-02-15 2021-12-31 13F BLACKLINE COM 09239B109 9,511 -33 985 0.0073
2021-10-29 2021-09-30 13F BLACKLINE COM 09239B109 9,544 -588 -5.80 1,127 0.00 0.0095
2021-08-16 2021-06-30 13F BLACKLINE COM 09239B109 10,132 2,879 39.69 1,127 43.38 0.0090
2021-05-13 2021-03-31 13F BLACKLINE COM 09239B109 7,253 -709 -8.90 786 -25.99 0.0295
2021-02-12 2020-12-31 13F BLACKLINE COM 09239B109 7,962 161 2.06 1,062 51.93 0.0402
2020-10-30 2020-09-30 13F BLACKLINE COM 09239B109 7,801 -229 -2.85 699 4.95 0.0304
2020-08-10 2020-06-30 13F BLACKLINE COM 09239B109 8,030 330 4.29 666 64.44 0.0308
2020-05-13 2020-03-31 13F BLACKLINE COM 09239B109 7,700 -224 -2.83 405 -0.98 0.0099
2020-02-13 2019-12-31 13F BLACKLINE COM 09239B109 7,924 351 4.63 409 12.98 0.0075
2019-11-13 2019-09-30 13F BLACKLINE COM 09239B109 7,573 -109 -1.42 362 -11.92 0.0076
2019-08-14 2019-06-30 13F BLACKLINE COM 09239B109 7,682 2,185 39.75 411 61.18 0.0096
2019-05-15 2019-03-31 13F BLACKLINE COM 09239B109 5,497 222 4.21 255 18.06 0.0062
2019-02-15 2018-12-31 13F BLACKLINE COM 09239B109 5,275 5,275 216 0.0061
2018-11-14 2018-09-30 13F BLACKLINE COM 09239B109 0 -4,938 -100.00 0 -100.00
2018-07-18 2018-06-30 13F BLACKLINE COM 09239B109 4,938 4,938 214 0.0052
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.