Janney Montgomery Scott
AMPH icon

Janney Montgomery Scott’s Amphastar Pharmaceuticals AMPH Stock Holding History

Janney Montgomery Scott’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 		$683K Buy
33,841
+20,024
+145% +$404K ﹤0.01% 2171
2026
Q1 		$271K Sell
13,817
-413
-3% -$10.1K ﹤0.01% 2454
2025
Q4 		$381K Buy
14,230
+825
+6% +$21.2K ﹤0.01% 2389
2025
Q3 		$357K Buy
+13,405
New +$346K ﹤0.01% 2381
2024
Q1 		– Sell
-10,368
Closed -$641K – 2718
2023
Q4 		$641K Buy
+10,368
New +$545K ﹤0.01% 1723
2020
Q3 		– Sell
-17,038
Closed -$383K – 2061
2020
Q2 		$383K Buy
+17,038
New +$312K ﹤0.01% 1494

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

Janney Montgomery Scott's AMPH Position: Q2 2026 in Review

Janney Montgomery Scott increased its Amphastar Pharmaceuticals (AMPH) stake by 145% in Q2 2026, buying an estimated $404K and bringing the position to 33,841 shares worth $683K. The position accounts for ﹤0.01% of the portfolio, ranked #2171.

Janney Montgomery Scott first reported a position in AMPH in Q2 2020 and has held it in 6 quarters since. 211 funds tracked by Wall St. Rank hold AMPH as of Q2 2026.

  • Janney Montgomery Scott held 33,841 shares of Amphastar Pharmaceuticals worth $683K as of Q2 2026.
  • Janney Montgomery Scott bought 20,024 Amphastar Pharmaceuticals shares in Q2 2026, an estimated $404K.
  • Amphastar Pharmaceuticals made up ﹤0.01% of Janney Montgomery Scott's portfolio in Q2 2026, its #2171 holding.
  • Janney Montgomery Scott first reported a position in Amphastar Pharmaceuticals in Q2 2020 and has held it in 6 quarters since.
  • 211 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q2 2026.

Based on Janney Montgomery Scott's 13F filing for Q2 2026, filed 5 Aug 2026.