State of Wisconsin Investment Board’s Amphastar Pharmaceuticals AMPH Stock Holding History

State of Wisconsin Investment Board’s Portfolio AMPH Stock Details AMPH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$582K	Sell	25,332 -260	-1%	-$5.97K	﹤0.01%	1796
2025 Q1	$742K	Sell	25,592 -57	-0.2%	-$1.65K	﹤0.01%	1601
2024 Q4	$952K	Sell	25,649 -33,582	-57%	-$1.25M	﹤0.01%	1545
2024 Q3	$2.87M	Buy	59,231 +27,935	+89%	+$1.36M	0.01%	1168
2024 Q2	$1.25M	Sell	31,296 -46,532	-60%	-$1.86M	﹤0.01%	1478
2024 Q1	$3.42M	Buy	77,828 +35,054	+82%	+$1.54M	0.01%	1089
2023 Q4	$2.65M	Sell	42,774 -229	-0.5%	-$14.2K	0.01%	1164
2023 Q3	$1.98M	Buy	43,003 +9,594	+29%	+$441K	0.01%	1255
2023 Q2	$1.92M	Sell	33,409 -1,830	-5%	-$105K	0.01%	1298
2023 Q1	$1.32M	Sell	35,239 -4,052	-10%	-$152K	﹤0.01%	1400
2022 Q4	$1.1M	Buy	39,291 +210	+0.5%	+$5.88K	﹤0.01%	1458
2022 Q3	$1.1M	Sell	39,081 -2,487	-6%	-$69.9K	﹤0.01%	1506
2022 Q2	$1.45M	Sell	41,568 -9,032	-18%	-$314K	﹤0.01%	1465
2022 Q1	$1.82M	Hold	50,600	–	–	﹤0.01%	1523
2021 Q4	$1.18M	Hold	50,600	–	–	﹤0.01%	1397
2021 Q3	$962K	Hold	50,600	–	–	﹤0.01%	1452
2021 Q2	$1.02M	Hold	50,600	–	–	﹤0.01%	1442
2021 Q1	$927K	Hold	50,600	–	–	﹤0.01%	1388
2020 Q4	$1.02M	Sell	50,600 -6,300	-11%	-$127K	﹤0.01%	1312
2020 Q3	$1.07M	Hold	56,900	–	–	﹤0.01%	1266
2020 Q2	$1.28M	Buy	56,900 +1,600	+3%	+$35.9K	﹤0.01%	1193
2020 Q1	$821K	Buy	55,300 +1,500	+3%	+$22.3K	﹤0.01%	1231
2019 Q4	$1.04M	Hold	53,800	–	–	﹤0.01%	1224
2019 Q3	$1.07M	Buy	53,800 +2,800	+5%	+$55.5K	﹤0.01%	1128
2019 Q2	$1.08M	Buy	51,000 +3,200	+7%	+$67.6K	﹤0.01%	1119
2019 Q1	$977K	Buy	47,800 +10,900	+30%	+$223K	﹤0.01%	1163
2018 Q4	$734K	Buy	36,900 +700	+2%	+$13.9K	﹤0.01%	1217
2018 Q3	$696K	Hold	36,200	–	–	﹤0.01%	1321
2018 Q2	$552K	Buy	36,200 +8,200	+29%	+$125K	﹤0.01%	1344
2018 Q1	$525K	Hold	28,000	–	–	﹤0.01%	1289
2017 Q4	$539K	Hold	28,000	–	–	﹤0.01%	1286
2017 Q3	$500K	Hold	28,000	–	–	﹤0.01%	1296
2017 Q2	$500K	Buy	+28,000	New	+$500K	﹤0.01%	1279