Blackline Inc

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Blackline Inc
TickerBL
CIK #0001666134
CUSIP09239B109
SectorTechnology - Services-Prepackaged Software
Address21300 Victory Boulevard 12th Floor, Woodland Hills, CA 91367
Source [EDGAR]
CIK Filing 2011 - 2026
[0001666134] 10-K
[0001666134] 10-Q
[0001666134] 3
[0001666134] 4
[0001666134] 5
[0001666134] 8-K
[0001666134] SC 13D
[0001666134] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Portfolio Management LLC Blackline Inc [2026-04-29] 0.0
Fivespan Partners LP Blackline Inc [2026-03-12] 0.0
FMR LLC Blackline Inc [2024-02-09] 0.0
Clearlake Capital Group LP Blackline Inc [2023-02-14] 0.6
Kayne Anderson Rudnick Investment Management LLC Blackline Inc [2020-02-13] 7.13
BlackRock Inc Blackline Inc [2020-02-10] 5.6
Vanguard Group Inc Blackline Inc [2019-02-11] 5.95
DF Dent & Co Inc Blackline Inc [2019-01-11] 0.0
DF Dent & Co Inc Blackline Inc [2019-01-11] 0.0
Tucker Therese Blackline Inc [2017-02-14] 12.47
Spanicciati Mario Blackline Inc [2017-02-14] 8.63
Iconiq Strategic Partners TT GP Ltd Blackline Inc [2017-02-13] 20.0
Silver Lake Group LLC Blackline Inc [2017-02-13] 37.1
Form 3/4/5 Filer 2011 - 2026
Blackline Inc
Yamamoto Mika
Stalick Michelle D
Hughes Gregory
Tucker Therese
Duan Jimmy C
Ung Jeremy
Morgan-Prager Karole
Ryan Owen
Villanova Patrick
van Houten Stuart
Davidson Scott
Balaji Saranga
Drummond Camille
Velastegui Sophia
Prichard Megan
Whye Barbara
Rios Brunilda
Duncan Storm
Henshall David J
Unterman Thomas
Woodhams Mark
Partin Mark
Wagner William Raymond
Yoran Amit
Thompson Kevin B
Hirsch Peter
Huffman Marc
Smith Graham
Babcoke Jason
Brennan John
Spanicciati Mario
Makan Divesh
ICONIQ Strategic Partners GP LP
ICONIQ Strategic Partners TT GP Ltd
ICONIQ Strategic Partners LP
ICONIQ Strategic Partners Co-Invest LP Series BL2
ICONIQ Strategic Partners Co-Invest LP BL Series
Griffith William JG
ICONIQ Strategic Partners-B LP
Silver Lake Technology Associates Sumeru LP
Silver Lake Group LLC
SLTA Sumeru GP LLC
Silver Lake Technology Investors Sumeru LP
Silver Lake Sumeru Fund LP
Murphy Chris
Shah Ajay
Haynes Hollie
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Duncan Storm
Common Stock
2026-03-11 Grant 922 $0.00
Prichard Megan
Common Stock
2026-03-11 Grant 922 $0.00
Villanova Patrick
Common Stock
2026-02-20 Option exercise 2,395 $36.15 86,579
Villanova Patrick
Common Stock
2026-02-20 Option exercise 1,307 $36.15 47,248
Tucker Therese
Common Stock
2026-02-20 Option exercise 11,225 $36.15 405,784
van Houten Stuart
Common Stock
2026-02-20 Option exercise 8,979 $36.15 324,591
Stalick Michelle D
Common Stock
2026-02-20 Option exercise 1,347 $36.15 48,694
Ryan Owen
Common Stock
2026-02-20 Gift 75 $0.00
Tucker Therese
Common Stock
2026-02-20 Option exercise 9,332 $36.15 337,352
Ryan Owen
Common Stock
2026-02-20 Option exercise 21,761 $36.15 786,660
Ryan Owen
Common Stock
2026-02-20 Tax withheld 35,803 $36.15 1,294,278
Morgan-Prager Karole
Common Stock
2026-02-20 Option exercise 7,181 $36.15 259,593
Duan Jimmy C
Common Stock
2026-02-20 Tax withheld 5,590 $36.15 202,078
Villanova Patrick
Common Stock
2026-02-20 Option exercise 5,238 $36.15 189,354
Duan Jimmy C
Common Stock
2026-02-20 Option exercise 4,489 $36.15 162,277
Morgan-Prager Karole
Common Stock
2026-02-20 Tax withheld 15,103 $36.15 545,973
Ung Jeremy
Common Stock
2026-02-20 Option exercise 8,305 $36.15 300,226
Tucker Therese
Common Stock
2026-02-20 Tax withheld 31,786 $36.15 1,149,064
Ung Jeremy
Common Stock
2026-02-20 Tax withheld 10,404 $36.15 376,105
van Houten Stuart
Common Stock
2026-02-20 Tax withheld 7,453 $36.15 269,426
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 279 66,153,427
2025-12-31 308 66,717,527
2025-09-30 273 65,511,638
2025-06-30 296 67,677,572
2025-03-31 283 67,219,168
2024-12-31 308 65,545,770
2024-09-30 294 64,656,222
2024-06-30 318 66,939,285
2024-03-31 309 69,633,861
2023-12-31 317 59,979,416
2023-09-30 302 58,667,963
2023-06-30 298 58,835,737
Form 13F Holdings
Firm Period DFND Voting Shares
Portman Square Capital LLP [2026-06-30] SOLE 439,800 439,800
Barton Investment Management [2026-06-30] SOLE 0 125,977
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 51,928 51,928
Louisiana State Employees Retirement System [2026-06-30] SOLE 22,200 22,200
Handelsbanken Fonder AB [2026-06-30] SOLE 0 19,900
Alaska Retirement Management Board [2026-06-30] SOLE 16,228 16,228
Yousif Capital Management LLC [2026-06-30] SOLE 3,052 13,240
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 11,685 11,685
Evanson Financial LLC [2026-06-30] SOLE 0 7,350
Thompson Investment Management Inc [2026-06-30] SOLE 5,454 5,454
Versant Capital Management Inc [2026-06-30] SOLE 3,330 3,330
Gamma Investing LLC [2026-06-30] DFND 1,693 1,693
Farther Finance Advisors LLC [2026-06-30] SOLE 0 533
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 520 520
Curated Wealth Partners LLC [2026-06-30] OTR 0 332
Birchbrook Inc [2026-06-30] SOLE 100 100
Marquette Asset Management LLC [2026-06-30] SOLE 0 55
IFP Advisors LLC [2026-06-30] SOLE 50 50
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 35
Wolff Wiese Magana LLC [2026-06-30] SOLE 32 32
Farmers & Merchants Investments Inc [2026-06-30] SOLE 28 28
Essential Investment Partners LLC [2026-06-30] SOLE 10 10
JFS Wealth Advisors LLC [2026-06-30] SOLE 0 8
FNY Investment Advisers LLC [2026-06-30] SOLE 4,220 4
Davis Capital Management [2026-06-30] SOLE 3 3
Hughes Financial Services LLC [2026-06-30] SOLE 1 1
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