Ohio Public Employees Retirement System (OPERS)
AMPH icon

Ohio Public Employees Retirement System (OPERS)’s Amphastar Pharmaceuticals AMPH Stock Holding History

Ohio Public Employees Retirement System (OPERS)’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 		$15.2K Buy
754
+165
+28% +$3.33K ﹤0.01% 2234
2026
Q1 		$11.5K Buy
589
+81
+16% +$1.98K ﹤0.01% 2252
2025
Q4 		$13.6K Buy
508
+40
+9% +$1.03K ﹤0.01% 2282
2025
Q3 		$12.5K Buy
468
+54
+13% +$1.39K ﹤0.01% 2275
2025
Q2 		$9.51K Buy
414
+57
+16% +$1.41K ﹤0.01% 2283
2025
Q1 		$10.3K Buy
357
+68
+24% +$2.17K ﹤0.01% 2274
2024
Q4 		$10.7K Buy
289
+86
+42% +$3.93K ﹤0.01% 2304
2024
Q3 		$9.85K Buy
203
+72
+55% +$3.16K ﹤0.01% 2145
2024
Q2 		$5.24K Buy
131
+76
+138% +$3.15K ﹤0.01% 1972
2024
Q1 		$2.42K Buy
+55
New +$2.84K ﹤0.01% 1957
2019
Q4 		– Sell
-18,561
Closed -$368K – 1869
2019
Q3 		$368K Sell
18,561
-2,740
-13% -$57.1K ﹤0.01% 1387
2019
Q2 		$450K Hold
21,301
– – ﹤0.01% 1358
2019
Q1 		$435K Buy
21,301
+9,511
+81% +$213K ﹤0.01% 1394
2018
Q4 		$235K Buy
+11,790
New +$232K ﹤0.01% 1397

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 $3.37T AUM 44.26% 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

Ohio Public Employees Retirement System (OPERS)'s AMPH Position: Q2 2026 in Review

Ohio Public Employees Retirement System (OPERS) increased its Amphastar Pharmaceuticals (AMPH) stake by 28% in Q2 2026, buying an estimated $3.33K and bringing the position to 754 shares worth $15.2K. The position accounts for ﹤0.01% of the portfolio, ranked #2234.

Ohio Public Employees Retirement System (OPERS) first reported a position in AMPH in Q4 2018 and has held it in 14 quarters since. The position peaked at $450K in Q2 2019. 210 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Ohio Public Employees Retirement System (OPERS) held 754 shares of Amphastar Pharmaceuticals worth $15.2K as of Q2 2026.
  • Ohio Public Employees Retirement System (OPERS) bought 165 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $3.33K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q2 2026, its #2234 holding.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in Amphastar Pharmaceuticals in Q4 2018 and has held it in 14 quarters since.
  • Ohio Public Employees Retirement System (OPERS)'s Amphastar Pharmaceuticals position peaked at $450K in Q2 2019.
  • 210 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q2 2026, filed 17 Aug 2026.