13F
中

AMPH AMPHASTAR PHARMACEUTICALS IN

2026Q1 · CUSIP 03209R103 · Sector: Healthcare & Biotech

Neutral · No signal
Holders
212
Δ holders QoQ
-22
Breadth percentile
Top 93%
Whale holders
116
Δ whales
-11
Inst. holding value
$626M
New positions
30
Closed positions
52
Price momentum (1Q)
-39.5%
Put / Call
0/2

Breadth history (34 quarters)

2018Q1: Δ+7 · h=114 2018Q2: Δ-1 · h=113 2018Q3: Δ-7 · h=106 2018Q4: Δ+26 · h=132 2019Q1: Δ+2 · h=134 2019Q2: Δ-1 · h=133 2019Q3: Δ+0 · h=133 2019Q4: Δ-14 · h=119 2020Q1: Δ-8 · h=111 2020Q2: Δ+23 · h=134 2020Q3: Δ+2 · h=136 2020Q4: Δ-7 · h=129 2021Q1: Δ+6 · h=135 2021Q2: Δ+9 · h=144 2021Q3: Δ-7 · h=137 2021Q4: Δ+31 · h=168 2022Q1: Δ+31 · h=199 2022Q2: Δ+20 · h=219 2022Q3: Δ-10 · h=209 2022Q4: Δ+4 · h=213 2023Q1: Δ+5 · h=218 2023Q2: Δ+28 · h=246 2023Q3: Δ+9 · h=255 2023Q4: Δ+23 · h=278 2024Q1: Δ-7 · h=271 2024Q2: Δ-3 · h=268 2024Q3: Δ+10 · h=278 2024Q4: Δ-14 · h=264 2025Q1: Δ-24 · h=240 2025Q2: Δ+4 · h=244 2025Q3: Δ-2 · h=242 2025Q4: Δ-8 · h=234 2026Q1: Δ-22 · h=212 2018Q1: holders=114 2018Q2: holders=113 2018Q3: holders=106 2018Q4: holders=132 2019Q1: holders=134 2019Q2: holders=133 2019Q3: holders=133 2019Q4: holders=119 2020Q1: holders=111 2020Q2: holders=134 2020Q3: holders=136 2020Q4: holders=129 2021Q1: holders=135 2021Q2: holders=144 2021Q3: holders=137 2021Q4: holders=168 2022Q1: holders=199 2022Q2: holders=219 2022Q3: holders=209 2022Q4: holders=213 2023Q1: holders=218 2023Q2: holders=246 2023Q3: holders=255 2023Q4: holders=278 2024Q1: holders=271 2024Q2: holders=268 2024Q3: holders=278 2024Q4: holders=264 2025Q1: holders=240 2025Q2: holders=244 2025Q3: holders=242 2025Q4: holders=234 2026Q1: holders=212 -31 -15.5 +0 +15.5 +31 95194292 18Q119Q120Q121Q122Q123Q124Q125Q126Q1 Δ holders (bar) Holders (line)

Past Lit Events & Aftermath 6 lit events

Period Percentile Next-1Q return Next-2Q return
2023Q2 Top 7% +0.5% -1.0%
2022Q2 Top 6% -12.8% +0.1%
2022Q1 Top 4% -10.8% -21.0%
2021Q4 Top 16% +28.5% +22.3%
2020Q2 Top 15% -5.5% -8.7%
2018Q4 Top 8% -12.3% -9.0%

Options Sentiment

Put holders
0
QoQ: 0
Call holders
2
QoQ: 0

See methodology →

Fundamentals

PE (TTM)
11.2
EPS (TTM)
$1.66
EPS YoY
-39.9%
Revenue (TTM)
$0.7B
Revenue YoY
-1.4%
Quarterly Revenue & EPS (4Y)
2022-06-30: $123M 2022-09-30: $120M 2022-12-31: $135M 2023-03-31: $140M 2023-06-30: $146M 2023-09-30: $181M 2023-12-31: $178M 2024-03-31: $172M 2024-06-30: $182M 2024-09-30: $191M 2024-12-31: $187M 2025-03-31: $171M 2025-06-30: $174M 2025-09-30: $192M 2025-12-31: $183M 2026-03-31: $171M 2022-06-30: EPS 0.33 2022-09-30: EPS 0.30 2022-12-31: EPS 0.64 2023-03-31: EPS 0.50 2023-06-30: EPS 0.49 2023-09-30: EPS 0.91 2023-12-31: EPS 0.70 2024-03-31: EPS 0.81 2024-06-30: EPS 0.73 2024-09-30: EPS 0.78 2024-12-31: EPS 0.74 2025-03-31: EPS 0.51 2025-06-30: EPS 0.64 2025-09-30: EPS 0.37 2025-12-31: EPS 0.51 2026-03-31: EPS 0.14 0M 96M 192M $M 0.00 0.50 1.00 20222023202420252026 Revenue EPS

Quarterly figures; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
4Y median 14 2023-03-31: PE 24.32023-06-30: PE 292023-09-30: PE 22.12023-12-31: PE 20.82024-03-31: PE 14.92024-06-30: PE 14.32024-09-30: PE 14.82024-12-31: PE 10.12025-03-31: PE 92025-06-30: PE 11.22025-09-30: PE 11.52025-12-31: PE 142026-03-31: PE 10.2 8 19 30 20222023202420252026

P/E = close 47 days after quarter-end (filing date) ÷ TTM EPS then; loss quarters hidden

As of 2026-03-31 · SEC filings (XBRL)