Canada Pension Plan Investment Board
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Canada Pension Plan Investment Board’s Amphastar Pharmaceuticals AMPH Stock Holding History

Canada Pension Plan Investment Board’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 		$232K Sell
11,500
-4,800
-29% -$96.8K ﹤0.01% 1558
2026
Q1 		$319K Sell
16,300
-13,500
-45% -$330K ﹤0.01% 1400
2025
Q4 		$798K Buy
29,800
+9,100
+44% +$234K ﹤0.01% 1134
2025
Q3 		$552K Buy
20,700
+16,500
+393% +$426K ﹤0.01% 1034
2025
Q2 		$96.4K Buy
4,200
+1,500
+56% +$37.2K ﹤0.01% 1186
2025
Q1 		$78.3K Buy
2,700
+2,600
+2,600% +$83K ﹤0.01% 1162
2024
Q4 		$3.71K Buy
+100
New +$4.57K ﹤0.01% 1386

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

Canada Pension Plan Investment Board's AMPH Position: Q2 2026 in Review

Canada Pension Plan Investment Board reduced its Amphastar Pharmaceuticals (AMPH) stake by 29% in Q2 2026, selling an estimated $96.8K and leaving 11,500 shares worth $232K. The position accounts for ﹤0.01% of the portfolio, ranked #1558.

Canada Pension Plan Investment Board first reported a position in AMPH in Q4 2024 and has held it in 7 quarters since. The position peaked at $798K in Q4 2025. 211 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Canada Pension Plan Investment Board held 11,500 shares of Amphastar Pharmaceuticals worth $232K as of Q2 2026.
  • Canada Pension Plan Investment Board sold 4,800 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $96.8K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q2 2026, its #1558 holding.
  • Canada Pension Plan Investment Board first reported a position in Amphastar Pharmaceuticals in Q4 2024 and has held it in 7 quarters since.
  • Canada Pension Plan Investment Board's Amphastar Pharmaceuticals position peaked at $798K in Q4 2025.
  • 211 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.