First Manhattan
BL icon

First Manhattan’s BlackLine BL Stock Holding History

First Manhattan’s Portfolio BL Stock Details BL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$99M Buy
2,676,987
+248,383
+10% +$10.7M 0.27% 51
2025
Q4 		$134M Buy
2,428,604
+340,606
+16% +$18.8M 0.35% 46
2025
Q3 		$111M Buy
2,087,998
+260,080
+14% +$14.1M 0.29% 50
2025
Q2 		$103M Buy
1,827,918
+1,011,943
+124% +$52.3M 0.29% 52
2025
Q1 		$39.5M Buy
815,975
+655,565
+409% +$35.9M 0.12% 78
2024
Q4 		$11.2M Buy
+160,410
New +$9.57M 0.03% 139

Other funds holding BL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CCG
Clearlake Capital Group Santa Monica, California $680M AUM 30.34% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
FP
Fivespan Partners San Francisco, California $377M AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
IC
Iconiq Capital San Francisco, California $4.46B AUM 22.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
HRCM
Hawk Ridge Capital Management Los Angeles, California $2.75B AUM 20.09% 1-Year Est. Return

First Manhattan's BL Position: Q1 2026 in Review

First Manhattan increased its BlackLine (BL) stake by 10% in Q1 2026, buying an estimated $10.7M and bringing the position to 2,676,987 shares worth $99M. The position accounts for 0.27% of the portfolio, ranked #51.

First Manhattan first reported a position in BL in Q4 2024 and has held it in 6 quarters since. The position peaked at $134M in Q4 2025. 277 funds tracked by Wall St. Rank hold BL as of Q1 2026.

  • First Manhattan held 2,676,987 shares of BlackLine worth $99M as of Q1 2026.
  • First Manhattan bought 248,383 BlackLine shares in Q1 2026, an estimated $10.7M.
  • BlackLine made up 0.27% of First Manhattan's portfolio in Q1 2026, its #51 holding.
  • First Manhattan first reported a position in BlackLine in Q4 2024 and has held it in 6 quarters since.
  • First Manhattan's BlackLine position peaked at $134M in Q4 2025.
  • 277 funds tracked by Wall St. Rank held BlackLine as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.