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Disclosery

BL BLACKLINE INC

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COM (common), issuer CIK 1666134

270 managers (279 13F filers) reported a position in BL shares at 2026-03-31, 63,982,030 shares in all. 47 filers opened a position and 80 filers sold out during the quarter.

Managers
270
13F filers
279
New
47
Added
87
Reduced
95
Sold out
80
Shares held by filers
63,982,030

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Allworth Financial LP603$22.3K<0.01%+48213F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp485$17.9K<0.01%-4913F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC484$17.9K<0.01%-19513F-HRTimeline
SUMMIT SECURITIES GROUP LLC472$17.5K0.01%new13F-HRTimeline
Parkside Financial Bank & Trust424$15.7K<0.01%-913F-HRTimeline
MassMutual Private Wealth & Trust, FSB414$15.3K<0.01%+34213F-HRTimeline
Smartleaf Asset Management LLC367$13.4K<0.01%-1,10613F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC353$12.8K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.342$12.7K<0.01%-13413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP333$12K<0.01%+5913F-HRTimelineGroup
Kemnay Advisory Services Inc.324$12K<0.01%+23813F-HRTimeline
Sterling Capital Management LLC323$12K<0.01%-1813F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC240$8.88K<0.01%013F-HRTimeline
Essential Partners LLC233$8.62K<0.01%+21413F-HRTimeline
SIGNATUREFD, LLC217$8.03K<0.01%+19513F-HRTimeline
Steward Partners Investment Advisory, L…212$7.84K<0.01%013F-HRTimeline
STRS OHIO200$7.4K<0.01%013F-HRTimeline
Quarry LP200$7.4K<0.01%new13F-HRTimeline
PlanVest Financial, Inc200$7.4K0.01%13F-HRTimeline
WHITTIER TRUST CO201$7.27K<0.01%new13F-HRTimeline
Bell Investment Advisors, Inc184$6.81K<0.01%+14513F-HRTimeline
PRIVATE TRUST CO NA143$5.29K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC138$5.11K<0.01%+3313F-HRTimeline
IFP Advisors, Inc134$4.96K<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…127$4.7K<0.01%+3913F-HR/ATimelineGroup
2UniFi Bank120$4.44K<0.01%new13F-HRTimeline
DHJJ Financial Advisors, Ltd.109$4.03K<0.01%-2713F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…103$3.81K<0.01%013F-HRTimelineGroup
BIRCHBROOK, INC.100$3.7K<0.01%013F-HRTimeline
Covestor Ltd86$3K<0.01%-6913F-HRTimeline
Marquette Asset Management, LLC77$2.85K<0.01%+313F-HRTimeline
SHP Wealth Management70$2.6K<0.01%013F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…62$2.29K<0.01%new13F-HRTimeline
Root Financial Partners, LLC62$2.29K<0.01%new13F-HRTimeline
Rachor Investment Advisory Services, LLC56$2.07K<0.01%013F-HRTimeline
Private Wealth Management Group, LLC51$1.89K<0.01%new13F-HRTimeline
UMB Bank, n.a.49$1.81K<0.01%-26413F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Advisory Services Network, LLC49$1.81K<0.01%new13F-HRTimeline
Elequin Capital, LP49$1.81K<0.01%-10313F-HRTimeline
MidFirst Bank40$1.48K<0.01%-2,46913F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC36$1.33K<0.01%013F-HRTimelineGroup
Triumph Capital Management35$1.29K<0.01%013F-HRTimeline
Kilter Group LLC35$1.29K<0.01%new13F-HRTimeline
WOLFF WIESE MAGANA LLC32$1.18K<0.01%013F-HRTimeline
Plato Investment Management Ltd29$1.07K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…28$1.04K<0.01%013F-HRTimelineGroup
Quent Capital, LLC27$999<0.01%-2,05213F-HRTimeline
GILL CAPITAL PARTNERS, LLC26$962<0.01%new13F-HRTimeline
Advocate Investing Services LLC25$925<0.01%013F-HRTimeline
WPG Advisers, LLC23$851<0.01%-7213F-HRTimeline
Caitong International Asset Management …19$703<0.01%new13F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC19$703<0.01%new13F-HRTimeline
TopTier Wealth Management, LLC18$666<0.01%new13F-HRTimeline
CENTRAL TRUST Co15$555<0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.15$555<0.01%013F-HRTimeline
Rossby Financial, LCC15$547<0.01%new13F-HRTimeline
Bare Financial Services, Inc14$518<0.01%-9313F-HRTimeline
Federation des caisses Desjardins du Qu…13$481<0.01%013F-HRTimeline
Monetary Solutions, Ltd10$370<0.01%013F-HRTimeline
Essential Investment Partners LLC10$370<0.01%013F-HRTimeline
Sunrise Financial Services, LLC9$333<0.01%new13F-HRTimeline
Physician Wealth Advisors, Inc.8$296<0.01%new13F-HRTimeline
Signature Equity Partners, LLC7$259<0.01%-413F-HRTimeline
SJS Investment Consulting Inc.6$222<0.01%new13F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC4$148<0.01%013F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…3$111<0.01%new13F-HRTimelineGroup
Cedar Mountain Advisors, LLC2$74<0.01%new13F-HRTimeline
Hughes Financial Services, LLC2$74<0.01%new13F-HRTimeline
Dunhill Financial, LLC1$40<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC5$00%013F-HRTimelineValue filed as zero, left out of ratios.