Rhumbline Advisers Amkor Technology, Inc. Transaction History

Rhumbline Advisers

  • $121 Billion
  • Q3 2025

A detailed history of Rhumbline Advisers transactions in Amkor Technology, Inc. stock. As of the latest transaction made, Rhumbline Advisers holds 315,856 shares of AMKR stock, worth $9.76 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares
315,856
Previous 322,653 2.11%
Holding current value
$9.76 Million
Previous $6.77 Million 32.46%
% of portfolio
0.01%
Previous 0.01%

Shares

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

Nov 06, 2025
SELL
$21.14 - $29.58 $143,688 - $201,055
-6,797 Reduced 2.11%
315,856 $8.97 Million
Q2 2025

Aug 12, 2025
BUY
$14.88 - $21.18 $221,726 - $315,603
14,901 Added 4.84%
322,653 $6.77 Million
Q1 2025

Apr 08, 2025
SELL
$18.06 - $26.73 $25,121 - $37,181
-1,391 Reduced 0.45%
307,752 $5.56 Million
Q4 2024

May 29, 2025
BUY
$25.13 - $31.61 $34,955 - $43,969
1,391 Added 0.45%
309,143 $7.94 Million
Q4 2024

Jan 30, 2025
SELL
$25.13 - $31.61 $208,654 - $262,457
-8,303 Reduced 2.62%
309,143 $7.94 Million
Q3 2024

Nov 12, 2024
BUY
$28.09 - $44.68 $457,192 - $727,211
16,276 Added 5.4%
317,446 $9.71 Million
Q2 2024

Aug 01, 2024
SELL
$28.5 - $40.09 $2.1 Million - $2.95 Million
-73,511 Reduced 19.62%
301,170 $12.1 Million
Q1 2024

May 09, 2024
BUY
$29.58 - $36.09 $132,991 - $162,260
4,496 Added 1.21%
374,681 $12.1 Million
Q4 2023

Feb 08, 2024
BUY
$20.44 - $34.18 $294,274 - $492,089
14,397 Added 4.05%
370,185 $12.3 Million
Q3 2023

Nov 09, 2023
BUY
$21.89 - $29.8 $130,727 - $177,965
5,972 Added 1.71%
355,788 $8.04 Million
Q2 2023

Aug 08, 2023
BUY
$20.49 - $29.75 $13,564 - $19,694
662 Added 0.19%
349,816 $10.4 Million
Q4 2022

Feb 14, 2023
BUY
$17.23 - $28.78 $46,090 - $76,986
2,675 Added 0.77%
349,154 $8.37 Million
Q3 2022

Nov 10, 2022
BUY
$15.44 - $23.03 $188,136 - $280,620
12,185 Added 3.64%
346,479 $5.91 Million
Q2 2022

Aug 11, 2022
BUY
$16.53 - $21.39 $450,277 - $582,663
27,240 Added 8.87%
334,294 $5.67 Million
Q1 2022

May 12, 2022
SELL
$19.89 - $26.24 $22,416 - $29,572
-1,127 Reduced 0.37%
307,054 $6.67 Million
Q4 2021

Feb 10, 2022
SELL
$21.56 - $25.66 $49,825 - $59,300
-2,311 Reduced 0.74%
308,181 $7.64 Million
Q3 2021

Nov 12, 2021
SELL
$21.35 - $29.08 $300,949 - $409,911
-14,096 Reduced 4.34%
310,492 $7.75 Million
Q2 2021

Aug 05, 2021
SELL
$18.06 - $26.38 $7,801 - $11,396
-432 Reduced 0.13%
324,588 $7.68 Million
Q1 2021

May 06, 2021
BUY
$14.91 - $24.96 $2.37 Million - $3.96 Million
158,701 Added 95.42%
325,020 $7.71 Million
Q4 2020

Feb 10, 2021
SELL
$11.15 - $15.57 $30,093 - $42,023
-2,699 Reduced 1.6%
166,319 $2.51 Million
Q3 2020

Nov 12, 2020
SELL
$10.73 - $14.33 $317,929 - $424,597
-29,630 Reduced 14.92%
169,018 $1.89 Million
Q2 2020

Aug 13, 2020
BUY
$7.37 - $12.72 $28,536 - $49,251
3,872 Added 1.99%
198,648 $2.45 Million
Q1 2020

May 06, 2020
BUY
$5.78 - $13.39 $107,981 - $250,151
18,682 Added 10.61%
194,776 $1.52 Million
Q4 2019

Feb 05, 2020
BUY
$9.2 - $14.92 $13,293 - $21,559
1,445 Added 0.83%
176,094 $2.29 Million
Q3 2019

Oct 23, 2019
BUY
$7.35 - $9.78 $101,238 - $134,709
13,774 Added 8.56%
174,649 $1.59 Million
Q2 2019

Aug 14, 2019
BUY
$6.48 - $9.5 $50,012 - $73,321
7,718 Added 5.04%
160,875 $1.2 Million
Q1 2019

May 01, 2019
BUY
$6.33 - $9.48 $4,715 - $7,062
745 Added 0.49%
153,157 $1.31 Million
Q4 2018

Jan 31, 2019
BUY
$5.74 - $7.48 $248,490 - $323,816
43,291 Added 39.67%
152,412 $1 Million
Q3 2018

Nov 07, 2018
BUY
$7.33 - $9.34 $1,172 - $1,494
160 Added 0.15%
109,121 $806,000
Q2 2018

Aug 06, 2018
BUY
$8.28 - $10.38 $11,302 - $14,168
1,365 Added 1.27%
108,961 $936,000
Q1 2018

May 02, 2018
SELL
$8.82 - $11.51 $23,364 - $30,489
-2,649 Reduced 2.4%
107,596 $1.09 Million
Q4 2017

Feb 09, 2018
SELL
$10.05 - $11.57 $181,975 - $209,497
-18,107 Reduced 14.11%
110,245 $1.11 Million
Q3 2017

Nov 06, 2017
BUY
$8.38 - $10.55 $1.08 Million - $1.35 Million
128,352
128,352 $1.35 Million

Others Institutions Holding AMKR

# of Institutions
438
Shares Held
104M
Call Options Held
898K
Put Options Held
860K
View Full List

About AMKOR TECHNOLOGY, INC.

AMKR Quotes by TradingView
  • Ticker AMKR
  • Exchange NASDAQ
  • Sector Technology
  • Industry Semiconductors
  • Shares Outstandng 244,838,000
  • Market Cap $7.56B
  • Description
  • Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the rest of the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, and test and drop shipmen...
More about AMKR
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