FRM
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Fox Run Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

Fox Run Management’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
-21,199
Closed -$487K – 892
2025
Q2 		$487K Buy
+21,199
New +$526K 0.08% 477
2025
Q1 		– Sell
-18,526
Closed -$688K – 894
2024
Q4 		$688K Buy
+18,526
New +$847K 0.12% 317
2024
Q3 		– Sell
-6,487
Closed -$259K – 780
2024
Q2 		$259K Sell
6,487
-1,202
-16% -$49.8K 0.05% 590
2024
Q1 		$338K Buy
+7,689
New +$397K 0.07% 497
2017
Q1 		– Sell
-12,600
Closed -$232K – 558
2016
Q4 		$232K Buy
+12,600
New +$245K 0.12% 388

Other funds holding AMPH

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TD Asset Management
TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $12.2B AUM 12.45% 1-Year Est. Return
EIP
Epoch Investment Partners New York $16.5B AUM 24.3% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $93.4B AUM 35.1% 1-Year Est. Return