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Virtus Investment Advisers’s Amphastar Pharmaceuticals AMPH Stock Holding History

Virtus Investment Advisers’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
Q1 		– Sell
-6,109
Closed -$227K – 486
2024
Q4 		$227K Hold
6,109
– – 0.18% 182
2024
Q3 		$296K Hold
6,109
– – 0.23% 139
2024
Q2 		$244K Hold
6,109
– – 0.21% 159
2024
Q1 		$268K Hold
6,109
– – 0.19% 143
2023
Q4 		$378K Hold
6,109
– – 0.28% 113
2023
Q3 		$281K Hold
6,109
– – 0.19% 132
2023
Q2 		$351K Buy
+6,109
New +$271K 0.24% 114

Other funds holding AMPH

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $115B AUM 41.58% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
EIP
Epoch Investment Partners New York $17.6B AUM 34.17% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Virtus Investment Advisers's AMPH Position: Q1 2025 in Review

Virtus Investment Advisers sold out of Amphastar Pharmaceuticals (AMPH) in Q1 2025, closing a stake of 6,109 shares — an estimated $227K sold.

Virtus Investment Advisers first reported a position in AMPH in Q2 2023 and held it in 7 quarters. The position peaked at $378K in Q4 2023. 241 funds tracked by Wall St. Rank hold AMPH as of Q1 2025.

  • Virtus Investment Advisers reported no remaining Amphastar Pharmaceuticals position as of Q1 2025 after selling out during the quarter.
  • Virtus Investment Advisers sold 6,109 Amphastar Pharmaceuticals shares in Q1 2025, an estimated $227K.
  • Virtus Investment Advisers first reported a position in Amphastar Pharmaceuticals in Q2 2023 and held it in 7 quarters.
  • Virtus Investment Advisers's Amphastar Pharmaceuticals position peaked at $378K in Q4 2023.
  • 241 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q1 2025.

Based on Virtus Investment Advisers's 13F filing for Q1 2025, filed 15 May 2025.