13F

ALNY ALNYLAM PHARMACEUTICALS INC

2026Q1 · CUSIP 02043Q107 · Sector: Healthcare & Biotech

Danger · Dual-confirm: breadth + price
Holders
779
Δ holders QoQ
-67
Breadth percentile
Top 98%
Whale holders
286
Δ whales
-8
Inst. holding value
$40.4B
New positions
102
Closed positions
169
Price momentum (1Q)
-13.9%
Put / Call
17/17

Breadth history (34 quarters)

2018Q1: Δ+15 · h=291 2018Q2: Δ+11 · h=302 2018Q3: Δ+0 · h=302 2018Q4: Δ-24 · h=278 2019Q1: Δ+6 · h=284 2019Q2: Δ+3 · h=287 2019Q3: Δ-7 · h=280 2019Q4: Δ+33 · h=313 2020Q1: Δ+12 · h=325 2020Q2: Δ+47 · h=372 2020Q3: Δ-19 · h=353 2020Q4: Δ+18 · h=371 2021Q1: Δ+16 · h=387 2021Q2: Δ+7 · h=394 2021Q3: Δ+7 · h=401 2021Q4: Δ+29 · h=430 2022Q1: Δ+7 · h=437 2022Q2: Δ-20 · h=417 2022Q3: Δ+74 · h=491 2022Q4: Δ-7 · h=484 2023Q1: Δ-10 · h=474 2023Q2: Δ-4 · h=470 2023Q3: Δ-19 · h=451 2023Q4: Δ+48 · h=499 2024Q1: Δ-5 · h=494 2024Q2: Δ+27 · h=521 2024Q3: Δ+40 · h=561 2024Q4: Δ+33 · h=594 2025Q1: Δ+31 · h=625 2025Q2: Δ+28 · h=653 2025Q3: Δ+163 · h=816 2025Q4: Δ+30 · h=846 2026Q1: Δ-67 · h=779 2018Q1: holders=291 2018Q2: holders=302 2018Q3: holders=302 2018Q4: holders=278 2019Q1: holders=284 2019Q2: holders=287 2019Q3: holders=280 2019Q4: holders=313 2020Q1: holders=325 2020Q2: holders=372 2020Q3: holders=353 2020Q4: holders=371 2021Q1: holders=387 2021Q2: holders=394 2021Q3: holders=401 2021Q4: holders=430 2022Q1: holders=437 2022Q2: holders=417 2022Q3: holders=491 2022Q4: holders=484 2023Q1: holders=474 2023Q2: holders=470 2023Q3: holders=451 2023Q4: holders=499 2024Q1: holders=494 2024Q2: holders=521 2024Q3: holders=561 2024Q4: holders=594 2025Q1: holders=625 2025Q2: holders=653 2025Q3: holders=816 2025Q4: holders=846 2026Q1: holders=779 -163 -81.5 +0 +81.5 +163 250570889 18Q119Q120Q121Q122Q123Q124Q125Q126Q1 Δ holders (bar) Holders (line)

Past Lit Events & Aftermath 14 lit events

Period Percentile Next-1Q return Next-2Q return
2025Q4 Top 17% -13.9%
2025Q3 Top 1% -26.3% -35.2%
2025Q2 Top 11% -1.7% -27.2%
2025Q1 Top 6% +57.0% +57.8%
2024Q4 Top 16% +16.7% +83.3%
2024Q3 Top 6% +7.9% +24.4%
2024Q2 Top 8% -3.9% -6.6%
2023Q4 Top 10% +1.6% +86.7%

Options Sentiment

Put holders
17
QoQ: -6
Call holders
17
QoQ: -4

See methodology →

Fundamentals

PE (TTM)
120.7
EPS (TTM)
$2.33
EPS YoY
Revenue (TTM)
$3.7B
Revenue YoY
+65.2%
Quarterly Revenue & EPS (4Y)
2022-03-31: $0.2B 2022-06-30: $0.2B 2022-09-30: $0.3B 2022-12-31: $0.3B 2023-03-31: $0.3B 2023-06-30: $0.3B 2023-09-30: $0.8B 2023-12-31: $0.4B 2024-03-31: $0.5B 2024-06-30: $0.7B 2024-09-30: $0.5B 2024-12-31: $0.6B 2025-03-31: $0.6B 2025-06-30: $0.8B 2025-09-30: $1.2B 2025-12-31: $1.1B 2022-03-31: EPS -2.00 2022-06-30: EPS -2.29 2022-09-30: EPS -3.32 2022-12-31: EPS -1.69 2023-03-31: EPS -1.40 2023-06-30: EPS -2.21 2023-09-30: EPS 1.15 2023-12-31: EPS -1.06 2024-03-31: EPS -0.52 2024-06-30: EPS -0.13 2024-09-30: EPS -0.87 2024-12-31: EPS -0.66 2025-03-31: EPS -0.14 2025-06-30: EPS -0.51 2025-09-30: EPS 1.84 2025-12-31: EPS 1.14 0B 0.6B 1.2B $B -3.65 -0.81 2.02 202220232024202512/25 Revenue EPS

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

P/E (TTM) over time
4Y median 848 2025-09-30: PE 847.52025-12-31: PE 134.9 121 506 890 2022202320242025

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

As of 2025-12-31 · SEC filings (XBRL)