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Private Trust Company’s Amphastar Pharmaceuticals AMPH Stock Holding History

Private Trust Company’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
Q4 		– Sell
-54
Closed -$1.44K – 2546
2025
Q3 		$1.44K Buy
54
+5
+10% +$129 ﹤0.01% 2384
2025
Q2 		$1.13K Buy
+49
New +$1.22K ﹤0.01% 2354
2025
Q1 		– Sell
-48
Closed -$1.78K – 2474
2024
Q4 		$1.78K Buy
+48
New +$2.19K ﹤0.01% 2182

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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Private Trust Company's AMPH Position: Q4 2025 in Review

Private Trust Company sold out of Amphastar Pharmaceuticals (AMPH) in Q4 2025, closing a stake of 54 shares — an estimated $1.44K sold.

Private Trust Company first reported a position in AMPH in Q4 2024 and held it in 3 quarters. The position peaked at $1.78K in Q4 2024. 235 funds tracked by Wall St. Rank hold AMPH as of Q4 2025.

  • Private Trust Company reported no remaining Amphastar Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • Private Trust Company sold 54 Amphastar Pharmaceuticals shares in Q4 2025, an estimated $1.44K.
  • Private Trust Company first reported a position in Amphastar Pharmaceuticals in Q4 2024 and held it in 3 quarters.
  • Private Trust Company's Amphastar Pharmaceuticals position peaked at $1.78K in Q4 2024.
  • 235 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2025.

Based on Private Trust Company's 13F filing for Q4 2025, filed 26 Jan 2026.