MML Investors Services
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MML Investors Services’s Amphastar Pharmaceuticals AMPH Stock Holding History

MML Investors Services’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 		– Sell
-12,367
Closed -$242K – 3261
2026
Q1 		$242K Sell
12,367
-2,294
-16% -$56.1K ﹤0.01% 2702
2025
Q4 		$393K Buy
14,661
+6,199
+73% +$160K ﹤0.01% 2430
2025
Q3 		$226K Buy
+8,462
New +$219K ﹤0.01% 2704
2024
Q3 		– Sell
-5,806
Closed -$232K – 2573
2024
Q2 		$232K Buy
+5,806
New +$241K ﹤0.01% 2259
2024
Q1 		– Sell
-5,871
Closed -$363K – 2471
2023
Q4 		$363K Buy
+5,871
New +$308K ﹤0.01% 1937

Other funds holding AMPH

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 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
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

MML Investors Services's AMPH Position: Q2 2026 in Review

MML Investors Services sold out of Amphastar Pharmaceuticals (AMPH) in Q2 2026, closing a stake of 12,367 shares — an estimated $242K sold.

MML Investors Services first reported a position in AMPH in Q4 2023 and held it in 5 quarters. The position peaked at $393K in Q4 2025. 211 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • MML Investors Services reported no remaining Amphastar Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • MML Investors Services sold 12,367 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $242K.
  • MML Investors Services first reported a position in Amphastar Pharmaceuticals in Q4 2023 and held it in 5 quarters.
  • MML Investors Services's Amphastar Pharmaceuticals position peaked at $393K in Q4 2025.
  • 211 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on MML Investors Services's 13F filing for Q2 2026, filed 7 Aug 2026.