A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Altair Engineering Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 12,200 shares of ALTR stock, worth $1.33 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
12,200
Previous 15,300 20.26%
Holding current value
$1.33 Million
Previous $1.5 Million 22.33%
% of portfolio
0.0%
Previous 0.0%

Shares

26 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 14, 2024

BUY
$81.56 - $100.25 $1.37 Million - $1.68 Million
16,787 New
16,787 $1.6 Million
Q1 2024

May 15, 2024

SELL
$76.51 - $92.26 $1.9 Million - $2.29 Million
-24,842 Reduced 20.43%
96,772 $8.34 Million
Q4 2023

Feb 14, 2024

BUY
$59.11 - $84.42 $3.01 Million - $4.3 Million
50,974 Added 72.16%
121,614 $10.2 Million
Q3 2023

Nov 14, 2023

SELL
$60.72 - $75.44 $5.81 Million - $7.22 Million
-95,762 Reduced 57.55%
70,640 $4.42 Million
Q2 2023

Aug 14, 2023

SELL
$66.89 - $77.58 $16.3 Million - $18.9 Million
-243,731 Reduced 59.43%
166,402 $12.6 Million
Q1 2023

May 15, 2023

BUY
$45.6 - $72.11 $10.6 Million - $16.7 Million
232,173 Added 130.46%
410,133 $29.6 Million
Q4 2022

Feb 14, 2023

BUY
$43.85 - $50.3 $3.93 Million - $4.51 Million
89,657 Added 101.53%
177,960 $8.09 Million
Q3 2022

Nov 14, 2022

BUY
$44.22 - $60.88 $3.9 Million - $5.38 Million
88,303 New
88,303 $3.91 Million
Q1 2022

May 16, 2022

BUY
$57.65 - $72.65 $1.49 Million - $1.88 Million
25,840 Added 82.72%
57,078 $3.68 Million
Q4 2021

Feb 14, 2022

SELL
$69.24 - $80.73 $19,594 - $22,846
-283 Reduced 0.9%
31,238 $2.42 Million
Q3 2021

Nov 15, 2021

BUY
$64.17 - $76.39 $696,501 - $829,137
10,854 Added 52.52%
31,521 $2.17 Million
Q2 2021

Aug 16, 2021

BUY
$61.59 - $71.46 $212,670 - $246,751
3,453 Added 20.06%
20,667 $1.43 Million
Q1 2021

May 17, 2021

SELL
$55.52 - $67.34 $689,447 - $836,228
-12,418 Reduced 41.91%
17,214 $1.08 Million
Q4 2020

Feb 16, 2021

BUY
$43.0 - $59.21 $212,119 - $292,082
4,933 Added 19.97%
29,632 $1.72 Million
Q3 2020

Nov 16, 2020

SELL
$37.02 - $43.31 $435,577 - $509,585
-11,766 Reduced 32.27%
24,699 $1.04 Million
Q2 2020

Aug 14, 2020

SELL
$23.44 - $40.21 $67,718 - $116,166
-2,889 Reduced 7.34%
36,465 $1.45 Million
Q1 2020

May 15, 2020

BUY
$24.49 - $39.41 $493,008 - $793,362
20,131 Added 104.72%
39,354 $1.04 Million
Q4 2019

Feb 14, 2020

BUY
$28.32 - $38.04 $50,551 - $67,901
1,785 Added 10.24%
19,223 $690,000
Q3 2019

Nov 14, 2019

SELL
$32.3 - $42.87 $497,419 - $660,198
-15,400 Reduced 46.9%
17,438 $603,000
Q2 2019

Aug 14, 2019

BUY
$34.05 - $40.39 $299,469 - $355,230
8,795 Added 36.58%
32,838 $1.33 Million
Q1 2019

May 15, 2019

SELL
$25.63 - $39.02 $355,411 - $541,090
-13,867 Reduced 36.58%
24,043 $0
Q4 2018

Feb 14, 2019

BUY
$25.5 - $42.75 $534,811 - $896,595
20,973 Added 123.83%
37,910 $1.05 Million
Q3 2018

Nov 13, 2018

SELL
$33.8 - $43.45 $22.5 Million - $28.9 Million
-665,307 Reduced 97.52%
16,937 $0
Q2 2018

Aug 10, 2018

BUY
$27.99 - $36.75 $11.3 Million - $14.9 Million
404,855 Added 145.95%
682,244 $0
Q1 2018

May 11, 2018

SELL
$24.27 - $32.12 $2.37 Million - $3.14 Million
-97,700 Reduced 26.05%
277,389 $8.7 Million
Q4 2017

Feb 09, 2018

BUY
$17.41 - $24.9 $6.53 Million - $9.34 Million
375,089
375,089 $8.97 Million

Others Institutions Holding ALTR

About Altair Engineering Inc.


  • Ticker ALTR
  • Exchange NASDAQ
  • Sector Technology
  • Industry Software—Infrastructure
  • Shares Outstandng 52,201,700
  • Market Cap $5.7B
  • Description
  • Altair Engineering Inc., together with its subsidiaries, provides software and cloud solutions in the areas of simulation, high-performance computing, data analytics, and artificial intelligence worldwide. The company operates in two segments, Software and Client Engineering Services. The Software segment includes solvers and optimization techno...
More about ALTR
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