Russell Investments Group
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Russell Investments Group’s Amphastar Pharmaceuticals AMPH Stock Holding History

Russell Investments Group’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 		$365K Buy
18,108
+14,663
+426% +$296K ﹤0.01% 2926
2026
Q1 		$67.5K Sell
3,445
-284
-8% -$6.95K ﹤0.01% 3212
2025
Q4 		$99.9K Sell
3,729
-3,936
-51% -$101K ﹤0.01% 3047
2025
Q3 		$204K Buy
7,665
+6,830
+818% +$176K ﹤0.01% 2802
2025
Q2 		$19.2K Sell
835
-1,223
-59% -$30.3K ﹤0.01% 3202
2025
Q1 		$59.7K Buy
2,058
+1,862
+950% +$59.5K ﹤0.01% 2867
2024
Q4 		$7.28K Sell
196
-2,818
-93% -$129K ﹤0.01% 3208
2024
Q3 		$146K Hold
3,014
– – ﹤0.01% 2579
2024
Q2 		$121K Sell
3,014
-31,307
-91% -$1.3M ﹤0.01% 2586
2024
Q1 		$1.51M Sell
34,321
-29,346
-46% -$1.52M ﹤0.01% 1796
2023
Q4 		$3.94M Sell
63,667
-66,854
-51% -$3.51M 0.01% 1246
2023
Q3 		$6M Buy
130,521
+93,817
+256% +$5.12M 0.01% 999
2023
Q2 		$2.11M Buy
36,704
+488
+1% +$21.6K ﹤0.01% 1533
2023
Q1 		$1.36M Sell
36,216
-36,886
-50% -$1.21M ﹤0.01% 1803
2022
Q4 		$2.05M Buy
73,102
+1,708
+2% +$49.6K ﹤0.01% 1579
2022
Q3 		$2M Sell
71,394
-156,415
-69% -$5.11M ﹤0.01% 1549
2022
Q2 		$7.92M Buy
227,809
+73,470
+48% +$2.62M 0.02% 867
2022
Q1 		$5.54M Buy
154,339
+26,118
+20% +$741K 0.01% 1099
2021
Q4 		$2.98M Sell
128,221
-40,184
-24% -$822K ﹤0.01% 1576
2021
Q3 		$3.2M Buy
168,405
+168,014
+42,970% +$3.29M 0.01% 1528
2021
Q2 		$7K Sell
391
-35,507
-99% -$669K ﹤0.01% 3191
2021
Q1 		$657K Buy
35,898
+27,299
+317% +$508K ﹤0.01% 2405
2020
Q4 		$171K Hold
8,599
– – ﹤0.01% 2792
2020
Q3 		$160K Sell
8,599
-9,557
-53% -$192K ﹤0.01% 2857
2020
Q2 		$407K Buy
18,156
+10,356
+133% +$190K ﹤0.01% 2457
2020
Q1 		$115K Buy
+7,800
New +$136K ﹤0.01% 2691
2019
Q4 		– Sell
-16,000
Closed -$317K – 3080
2019
Q3 		$317K Sell
16,000
-6,400
-29% -$133K ﹤0.01% 2447
2019
Q2 		$472K Buy
22,400
+3,100
+16% +$64.8K ﹤0.01% 2281
2019
Q1 		$394K Buy
19,300
+329
+2% +$7.37K ﹤0.01% 2419
2018
Q4 		$377K Buy
18,971
+14,000
+282% +$276K ﹤0.01% 2412
2018
Q3 		$96K Sell
4,971
-8,100
-62% -$144K ﹤0.01% 2757
2018
Q2 		$199K Sell
13,071
-36,249
-73% -$633K ﹤0.01% 2635
2018
Q1 		$911K Sell
49,320
-13,320
-21% -$250K ﹤0.01% 2241
2017
Q4 		$1.24M Sell
62,640
-6,487
-9% -$121K ﹤0.01% 2041
2017
Q3 		$1.24M Sell
69,127
-3,339
-5% -$54.9K ﹤0.01% 2035
2017
Q2 		$1.29M Sell
72,466
-77,624
-52% -$1.23M ﹤0.01% 1986
2017
Q1 		$2.18M Sell
150,090
-167,045
-53% -$2.63M ﹤0.01% 1711
2016
Q4 		$5.83M Buy
+317,135
New +$6.17M 0.01% 1139

Other funds holding AMPH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
Universal-Beteiligungs- und Servicegesellschaft
Universal-Beteiligungs- und Servicegesellschaft Frankfurt Am Main, Germany $65.4B AUM 39.83% 1-Year Est. Return
LG
LAM Group Lake Oswego, Oregon $201M AUM 22.35% 1-Year Est. Return
Nordea Investment Management
Nordea Investment Management Stockholm, Sweden $123B AUM 38.85% 1-Year Est. Return

Russell Investments Group's AMPH Position: Q2 2026 in Review

Russell Investments Group increased its Amphastar Pharmaceuticals (AMPH) stake by 426% in Q2 2026, buying an estimated $296K and bringing the position to 18,108 shares worth $365K. The position accounts for ﹤0.01% of the portfolio, ranked #2926.

Russell Investments Group first reported a position in AMPH in Q4 2016 and has held it in 38 quarters since. The position peaked at $7.92M in Q2 2022. 82 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Russell Investments Group held 18,108 shares of Amphastar Pharmaceuticals worth $365K as of Q2 2026.
  • Russell Investments Group bought 14,663 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $296K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2926 holding.
  • Russell Investments Group first reported a position in Amphastar Pharmaceuticals in Q4 2016 and has held it in 38 quarters since.
  • Russell Investments Group's Amphastar Pharmaceuticals position peaked at $7.92M in Q2 2022.
  • 82 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.