Vestcor Inc’s Amphastar Pharmaceuticals AMPH Stock Holding History

Vestcor Inc’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
2026 Q2	$116K	Sell	5,743 -5,206	-48%	-$105K	﹤0.01%	1116
2026 Q1	$214K	Sell	10,949 -5,434	-33%	-$133K	0.01%	1014
2025 Q4	$439K	Buy	16,383 +7,000	+75%	+$180K	0.01%	741
2025 Q3	$250K	Hold	9,383	–	–	0.01%	927
2025 Q2	$215K	Hold	9,383	–	–	0.01%	955
2025 Q1	$272K	Hold	9,383	–	–	0.01%	877
2024 Q4	$348K	Hold	9,383	–	–	0.01%	813
2024 Q3	$455K	Hold	9,383	–	–	0.01%	733
2024 Q2	$375K	Hold	9,383	–	–	0.01%	759
2024 Q1	$412K	Sell	9,383 -3,828	-29%	-$198K	0.01%	720
2023 Q4	$817K	Hold	13,211	–	–	0.03%	497
2023 Q3	$608K	Buy	13,211 +3,640	+38%	+$199K	0.02%	557
2023 Q2	$550K	Sell	9,571 -4,784	-33%	-$212K	0.02%	586
2023 Q1	$538K	Hold	14,355	–	–	0.02%	617
2022 Q4	$402K	Hold	14,355	–	–	0.01%	712
2022 Q3	$403K	Buy	14,355 +2,223	+18%	+$72.6K	0.02%	731
2022 Q2	$422K	Buy	+12,132	New	+$433K	0.02%	726

Other funds holding AMPH

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

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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

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

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

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vestcor Inc's AMPH Position: Q2 2026 in Review

Vestcor Inc reduced its Amphastar Pharmaceuticals (AMPH) stake by 48% in Q2 2026, selling an estimated $105K and leaving 5,743 shares worth $116K. The position accounts for ﹤0.01% of the portfolio, ranked #1116.

Vestcor Inc first reported a position in AMPH in Q2 2022 and has held it in 17 quarters since. The position peaked at $817K in Q4 2023. 212 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

Vestcor Inc held 5,743 shares of Amphastar Pharmaceuticals worth $116K as of Q2 2026.
Vestcor Inc sold 5,206 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $105K.
Amphastar Pharmaceuticals made up ﹤0.01% of Vestcor Inc's portfolio in Q2 2026, its #1116 holding.
Vestcor Inc first reported a position in Amphastar Pharmaceuticals in Q2 2022 and has held it in 17 quarters since.
Vestcor Inc's Amphastar Pharmaceuticals position peaked at $817K in Q4 2023.
212 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Vestcor Inc's 13F filing for Q2 2026, filed 11 Aug 2026.