State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Seagate STX Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$17.6M Sell
121,958
-12,486
-9% -$1.8M 0.04% 380
2025
Q1
$11.4M Sell
134,444
-33,436
-20% -$2.84M 0.03% 556
2024
Q4
$14.5M Buy
167,880
+9,583
+6% +$827K 0.04% 453
2024
Q3
$17.3M Buy
158,297
+39,013
+33% +$4.27M 0.04% 401
2024
Q2
$12.3M Buy
119,284
+4,914
+4% +$507K 0.03% 476
2024
Q1
$10.6M Buy
114,370
+12,463
+12% +$1.16M 0.03% 592
2023
Q4
$8.7M Sell
101,907
-15,652
-13% -$1.34M 0.02% 698
2023
Q3
$7.75M Buy
117,559
+13,892
+13% +$916K 0.02% 686
2023
Q2
$6.41M Sell
103,667
-36,095
-26% -$2.23M 0.02% 828
2023
Q1
$9.24M Sell
139,762
-30,975
-18% -$2.05M 0.03% 624
2022
Q4
$8.98M Buy
170,737
+47,111
+38% +$2.48M 0.03% 622
2022
Q3
$6.58M Sell
123,626
-17,737
-13% -$944K 0.02% 791
2022
Q2
$10.1M Sell
141,363
-34,049
-19% -$2.43M 0.03% 634
2022
Q1
$15.8M Buy
175,412
+41,598
+31% +$3.74M 0.03% 539
2021
Q4
$15.1M Sell
133,814
-21,045
-14% -$2.38M 0.03% 593
2021
Q3
$12.8M Sell
154,859
-19,746
-11% -$1.63M 0.03% 650
2021
Q2
$15.4M Buy
174,605
+18,108
+12% +$1.59M 0.03% 556
2021
Q1
$12M Sell
156,497
-33,823
-18% -$2.6M 0.03% 666
2020
Q4
$11.8M Buy
190,320
+42,192
+28% +$2.62M 0.03% 606
2020
Q3
$7.3M Buy
148,128
+36,250
+32% +$1.79M 0.02% 763
2020
Q2
$5.42M Buy
111,878
+26,870
+32% +$1.3M 0.02% 857
2020
Q1
$4.15M Sell
85,008
-54,464
-39% -$2.66M 0.01% 852
2019
Q4
$8.3M Buy
139,472
+79,507
+133% +$4.73M 0.02% 742
2019
Q3
$3.23M Buy
+59,965
New +$3.23M 0.01% 919
2019
Q1
Sell
-252,921
Closed -$9.76M 1567
2018
Q4
$9.76M Sell
252,921
-1,710
-0.7% -$66K 0.03% 538
2018
Q3
$12.1M Sell
254,631
-33,009
-11% -$1.56M 0.03% 556
2018
Q2
$16.2M Sell
287,640
-27,732
-9% -$1.57M 0.05% 417
2018
Q1
$18.5M Buy
315,372
+36,108
+13% +$2.11M 0.05% 385
2017
Q4
$11.7M Buy
279,264
+2,520
+0.9% +$105K 0.03% 556
2017
Q3
$9.18M Sell
276,744
-11,238
-4% -$373K 0.03% 636
2017
Q2
$11.2M Buy
287,982
+47,182
+20% +$1.83M 0.04% 512
2017
Q1
$11.1M Buy
240,800
+135,800
+129% +$6.24M 0.04% 477
2016
Q4
$4.01M Sell
105,000
-416,600
-80% -$15.9M 0.02% 780
2016
Q3
$20.1M Buy
521,600
+272,900
+110% +$10.5M 0.08% 284
2016
Q2
$6.06M Buy
248,700
+127,500
+105% +$3.11M 0.02% 677
2016
Q1
$4.18M Sell
121,200
-18,600
-13% -$641K 0.02% 830
2015
Q4
$5.13M Sell
139,800
-171,100
-55% -$6.27M 0.02% 754
2015
Q3
$13.9M Hold
310,900
0.05% 404
2015
Q2
$14.8M Hold
310,900
0.05% 424
2015
Q1
$16.2M Hold
310,900
0.06% 396
2014
Q4
$20.7M Hold
310,900
0.07% 332
2014
Q3
$17.8M Hold
310,900
0.06% 368
2014
Q2
$17.7M Hold
310,900
0.06% 367
2014
Q1
$17.5M Sell
310,900
-104,520
-25% -$5.87M 0.07% 355
2013
Q4
$23.3M Hold
415,420
0.09% 259
2013
Q3
$18.2M Sell
415,420
-229,880
-36% -$10.1M 0.08% 320
2013
Q2
$28.9M Buy
+645,300
New +$28.9M 0.12% 198