Occudo Quantitative Strategies’s Amphastar Pharmaceuticals AMPH Stock Holding History

Occudo Quantitative Strategies’s Portfolio AMPH Stock Details AMPH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-15,774	Closed	-$362K	–	658
2025 Q2	$362K	Buy	+15,774	New	+$391K	0.04%	421
2023 Q4	–	Sell	-16,543	Closed	-$761K	–	782
2023 Q3	$761K	Buy	+16,543	New	+$902K	0.1%	360
2023 Q1	–	Sell	-23,213	Closed	-$650K	–	889
2022 Q4	$650K	Sell	23,213 -20,237	-47%	-$588K	0.08%	417
2022 Q3	$1.22M	Sell	43,450 -22,663	-34%	-$740K	0.09%	329
2022 Q2	$2.3M	Buy	66,113 +41,300	+166%	+$1.47M	0.19%	147
2022 Q1	$891K	Buy	24,813 +3,922	+19%	+$111K	0.07%	417
2021 Q4	$487K	Sell	20,891 -3,959	-16%	-$81K	0.04%	620
2021 Q3	$472K	Buy	24,850 +10,940	+79%	+$214K	0.06%	569
2021 Q2	$280K	Buy	+13,910	New	+$262K	0.04%	625

Other funds holding AMPH

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

BTW

Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

EIP

Epoch Investment Partners New York $17.6B AUM 34.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Occudo Quantitative Strategies's AMPH Position: Q3 2025 in Review

Occudo Quantitative Strategies sold out of Amphastar Pharmaceuticals (AMPH) in Q3 2025, closing a stake of 15,774 shares — an estimated $362K sold.

Occudo Quantitative Strategies first reported a position in AMPH in Q2 2021 and held it in 9 quarters. The position peaked at $2.3M in Q2 2022. 243 funds tracked by Wall St. Rank hold AMPH as of Q3 2025.

Occudo Quantitative Strategies reported no remaining Amphastar Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
Occudo Quantitative Strategies sold 15,774 Amphastar Pharmaceuticals shares in Q3 2025, an estimated $362K.
Occudo Quantitative Strategies first reported a position in Amphastar Pharmaceuticals in Q2 2021 and held it in 9 quarters.
Occudo Quantitative Strategies's Amphastar Pharmaceuticals position peaked at $2.3M in Q2 2022.
243 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q3 2025.

Based on Occudo Quantitative Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.