California State Teachers Retirement System Ambarella Inc Transaction History

California State Teachers Retirement System

  • $94.5 Billion
  • Q3 2025

A detailed history of California State Teachers Retirement System transactions in Ambarella Inc stock. As of the latest transaction made, California State Teachers Retirement System holds 36,346 shares of AMBA stock, worth $3.19 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
36,346
Previous 36,344 0.01%
Holding current value
$3.19 Million
Previous $2.4 Million 24.96%
% of portfolio
0.0%
Previous 0.0%

Shares

35 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025
BUY
$62.49 - $88.81 $124 - $177
2 Added 0.01%
36,346 $3 Million
Q2 2025

Aug 14, 2025
BUY
$40.3 - $69.3 $21,923 - $37,699
544 Added 1.52%
36,344 $2.4 Million
Q1 2025

May 15, 2025
SELL
$48.94 - $82.94 $37,488 - $63,532
-766 Reduced 2.09%
35,800 $1.8 Million
Q4 2024

Feb 14, 2025
SELL
$54.22 - $76.22 $10,247 - $14,405
-189 Reduced 0.51%
36,566 $2.66 Million
Q3 2024

Apr 04, 2025
BUY
$39.79 - $65.3 $7,520 - $12,341
189 Added 0.52%
36,755 $2.07 Million
Q3 2024

Nov 14, 2024
SELL
$39.79 - $65.3 $44,803 - $73,527
-1,126 Reduced 2.97%
36,755 $2.07 Million
Q2 2024

Apr 08, 2025
BUY
$40.99 - $59.14 $53,901 - $77,769
1,315 Added 3.6%
37,881 $2.04 Million
Q2 2024

Aug 14, 2024
SELL
$40.99 - $59.14 $15,699 - $22,650
-383 Reduced 1.0%
37,881 $2.04 Million
Q1 2024

May 15, 2024
SELL
$49.15 - $60.14 $103,853 - $127,075
-2,113 Reduced 5.23%
38,264 $1.94 Million
Q4 2023

Feb 13, 2024
SELL
$44.9 - $64.07 $55,810 - $79,639
-1,243 Reduced 2.99%
40,377 $2.47 Million
Q3 2023

Nov 14, 2023
SELL
$50.78 - $85.01 $183,975 - $307,991
-3,623 Reduced 8.01%
41,620 $2.21 Million
Q2 2023

Aug 21, 2023
SELL
$60.96 - $88.12 $37,368 - $54,017
-613 Reduced 1.34%
45,243 $3.79 Million
Q1 2023

May 09, 2023
SELL
$74.36 - $97.37 $14,723 - $19,279
-198 Reduced 0.43%
45,856 $3.55 Million
Q4 2022

Feb 14, 2023
BUY
$49.41 - $89.35 $26,582 - $48,070
538 Added 1.18%
46,054 $3.79 Million
Q3 2022

Nov 18, 2022
SELL
$56.18 - $92.35 $2,752 - $4,525
-49 Reduced 0.11%
45,516 $2.56 Million
Q2 2022

Aug 15, 2022
SELL
$65.46 - $105.5 $50,666 - $81,657
-774 Reduced 1.67%
45,565 $2.98 Million
Q1 2022

May 16, 2022
SELL
$82.06 - $216.16 $294,677 - $776,230
-3,591 Reduced 7.19%
46,339 $4.86 Million
Q4 2021

Feb 15, 2022
BUY
$148.83 - $216.84 $203,004 - $295,769
1,364 Added 2.81%
49,930 $10.1 Million
Q3 2021

Nov 15, 2021
BUY
$89.57 - $168.71 $36,275 - $68,327
405 Added 0.84%
48,566 $7.56 Million
Q2 2021

Aug 16, 2021
SELL
$84.23 - $107.37 $249,068 - $317,493
-2,957 Reduced 5.78%
48,161 $5.14 Million
Q1 2021

May 18, 2021
BUY
$91.34 - $128.12 $95,632 - $134,141
1,047 Added 2.09%
51,118 $5.13 Million
Q4 2020

Feb 16, 2021
BUY
$51.92 - $95.41 $363 - $667
7 Added 0.01%
50,071 $4.6 Million
Q3 2020

Nov 17, 2020
BUY
$43.91 - $57.72 $25,292 - $33,246
576 Added 1.16%
50,064 $2.61 Million
Q2 2020

Aug 17, 2020
BUY
$44.44 - $61.55 $13,287 - $18,403
299 Added 0.61%
49,488 $2.27 Million
Q1 2020

May 13, 2020
BUY
$37.46 - $72.57 $35,587 - $68,941
950 Added 1.97%
49,189 $2.39 Million
Q4 2019

Feb 14, 2020
SELL
$51.29 - $60.85 $49,956 - $59,267
-974 Reduced 1.98%
48,239 $2.92 Million
Q3 2019

Nov 15, 2019
BUY
$43.73 - $66.3 $25,713 - $38,984
588 Added 1.21%
49,213 $3.09 Million
Q2 2019

Aug 14, 2019
BUY
$37.21 - $51.27 $42,791 - $58,960
1,150 Added 2.42%
48,625 $2.15 Million
Q1 2019

May 09, 2019
SELL
$34.37 - $44.39 $36,294 - $46,875
-1,056 Reduced 2.18%
47,475 $2.05 Million
Q4 2018

Feb 13, 2019
SELL
$31.84 - $42.35 $31,967 - $42,519
-1,004 Reduced 2.03%
48,531 $1.7 Million
Q3 2018

Nov 14, 2018
SELL
$35.55 - $40.64 $639 - $731
-18 Reduced 0.04%
49,535 $1.92 Million
Q2 2018

Aug 14, 2018
BUY
$38.61 - $54.41 $4,324 - $6,093
112 Added 0.23%
49,553 $1.91 Million
Q1 2018

May 15, 2018
SELL
$45.67 - $64.47 $79,146 - $111,726
-1,733 Reduced 3.39%
49,441 $2.42 Million
Q4 2017

Feb 14, 2018
SELL
$48.66 - $62.03 $39,365 - $50,182
-809 Reduced 1.56%
51,174 $3.01 Million
Q3 2017

Nov 13, 2017
BUY
$40.6 - $54.8 $2.11 Million - $2.85 Million
51,983
51,983 $2.55 Million

Others Institutions Holding AMBA

# of Institutions
379
Shares Held
37.6M
Call Options Held
2.02M
Put Options Held
1.17M
View Full List

About AMBARELLA INC

AMBA Quotes by TradingView
  • Ticker AMBA
  • Exchange NASDAQ
  • Sector Technology
  • Industry Semiconductor Equipment & Materials
  • Shares Outstandng 38,416,800
  • Market Cap $3.37B
  • Description
  • Ambarella, Inc. develops semiconductor solutions for video that enable high-definition (HD) and ultra HD compression, image processing, and deep neural network processing worldwide. The company's system-on-a-chip designs integrated HD video processing, image processing, artificial intelligence computer vision algorithms, audio processing, and sy...
More about AMBA
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