A detailed history of Alpha Mark Advisors, LLC transactions in Black Rock Inc. stock. As of the latest transaction made, Alpha Mark Advisors, LLC holds 40 shares of BLK stock, worth $31,564. This represents 0.01% of its overall portfolio holdings.

Number of Shares
40
Previous 40 -0.0%
Holding current value
$31,564
Previous $32,000 3.13%
% of portfolio
0.01%
Previous 0.01%

Shares

12 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2022

May 02, 2022

SELL
$662.87 - $917.22 $96,116 - $132,996
-145 Reduced 78.38%
40 $31,000
Q4 2021

Feb 09, 2022

SELL
$825.56 - $971.49 $20,639 - $24,287
-25 Reduced 11.9%
185 $169,000
Q2 2021

Aug 06, 2021

SELL
$766.83 - $887.42 $11,502 - $13,311
-15 Reduced 6.67%
210 $184,000
Q1 2021

Apr 29, 2021

SELL
$683.21 - $779.75 $17,080 - $19,493
-25 Reduced 10.0%
225 $170,000
Q4 2020

Feb 01, 2021

SELL
$567.91 - $721.54 $85,186 - $108,231
-150 Reduced 37.5%
250 $180,000
Q2 2020

Aug 10, 2020

SELL
$409.54 - $558.06 $11,057 - $15,067
-27 Reduced 6.32%
400 $218,000
Q1 2020

Apr 24, 2020

BUY
$327.42 - $572.48 $13,424 - $23,471
41 Added 10.62%
427 $188,000
Q4 2019

Feb 07, 2020

BUY
$413.16 - $503.24 $20,658 - $25,162
50 Added 14.88%
386 $194,000
Q1 2019

May 09, 2019

BUY
$377.98 - $443.77 $18,899 - $22,188
50 Added 17.48%
336 $143,000
Q4 2018

Feb 06, 2019

SELL
$361.77 - $477.21 $6,873 - $9,066
-19 Reduced 6.23%
286 $112,000
Q3 2018

Nov 05, 2018

BUY
$468.98 - $512.49 $4,689 - $5,124
10 Added 3.39%
305 $144,000
Q2 2018

Aug 03, 2018

BUY
$499.04 - $551.86 $147,216 - $162,798
295 New
295 $147,000

Others Institutions Holding BLK

About BlackRock Inc.


  • Ticker BLK
  • Exchange NYSE
  • Sector Financial Services
  • Industry Asset Management
  • Shares Outstandng 150,768,992
  • Market Cap $119B
  • Description
  • BlackRock, Inc. is a publicly owned investment manager. The firm primarily provides its services to institutional, intermediary, and individual investors including corporate, public, union, and industry pension plans, insurance companies, third-party mutual funds, endowments, public institutions, governments, foundations, charities, sovereign we...
More about BLK
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