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Principal Securities’s Amphastar Pharmaceuticals AMPH Stock Holding History

Principal Securities’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
-1,604
Closed -$42.7K – 1435
2025
Q3 		$42.7K Buy
1,604
+1,586
+8,811% +$41K ﹤0.01% 2026
2025
Q2 		$413 Sell
18
-765
-98% -$19K ﹤0.01% 3512
2025
Q1 		$29.1K Hold
783
– – ﹤0.01% 2006
2024
Q4 		$29.1K Sell
783
-184
-19% -$8.41K ﹤0.01% 2001
2024
Q3 		$46.9K Buy
967
+236
+32% +$10.4K ﹤0.01% 1719
2024
Q2 		$29.2K Buy
731
+439
+150% +$18.2K ﹤0.01% 1870
2024
Q1 		$12.8K Sell
292
-256
-47% -$13.2K ﹤0.01% 2220
2023
Q4 		$33.9K Buy
+548
New +$28.8K ﹤0.01% 1656

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 $3.37T AUM 44.26% 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

Principal Securities's AMPH Position: Q4 2025 in Review

Principal Securities sold out of Amphastar Pharmaceuticals (AMPH) in Q4 2025, closing a stake of 1,604 shares — an estimated $42.7K sold.

Principal Securities first reported a position in AMPH in Q4 2023 and held it in 8 quarters. The position peaked at $46.9K in Q3 2024. 235 funds tracked by Wall St. Rank hold AMPH as of Q4 2025.

  • Principal Securities reported no remaining Amphastar Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • Principal Securities sold 1,604 Amphastar Pharmaceuticals shares in Q4 2025, an estimated $42.7K.
  • Principal Securities first reported a position in Amphastar Pharmaceuticals in Q4 2023 and held it in 8 quarters.
  • Principal Securities's Amphastar Pharmaceuticals position peaked at $46.9K in Q3 2024.
  • 235 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2025.

Based on Principal Securities's 13F filing for Q4 2025, filed 12 Feb 2026.